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Company · Kitakyushu · Japan

Toto (Japan)

In research, Toto (Japan) stands highest in Physical Sciences (#10,256 of 17,446 worldwide), Engineering (#6,212 of 9,532 worldwide) and Materials Science (#2,522 of 3,771 worldwide), over all time.

toto.co.jpROR OpenAlex
World rank, 2022-now
#20,241
of 22,385 · #15,063 all time
Rank in Japan
#689
of 924
Research works
730
▼ 40% vs 2018-21
Citations
13k
17.9 per fractional work
Top-10% rate
6.1%
all institutions 10.0%
vs its own fields
0.98×
1.00× is exactly expected
Open access
51%
world 40%
International
17%
world 18%
Toto (Japan)

What is Toto (Japan) known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #10,256 of 17,446 6.4%521
EngineeringField #6,212 of 9,532 5.3%260
Materials ScienceField #2,522 of 3,771 5.6%121

Each strip is that field's whole ranked pool, with the notch where Toto (Japan) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Toto (Japan) work in?

In 2022-now, 60% of research at Toto (Japan) is in Physical Sciences, 15% in Health Sciences. Its largest fields are Engineering (20%), Medicine (13%), Materials Science (10%). It does 1.5× the world's share of Physical Sciences.

Physical Sciences: 45 fractional works · 60.2% of its workEngineering: 15 fractional works · 20.5% of its workMechanical Engineering: 4 fractional works · 5.8% of its workMechanics of Materials: 2 fractional works · 2.2% of its workElectrical and Electronic Engineering: 2 fractional works · 2.1% of its workBiomedical Engineering: 1 fractional works · 1.9% of its workAerospace Engineering: 1 fractional works · 1.8% of its workComputational Mechanics: 1 fractional works · 1.8% of its workOcean Engineering: 1 fractional works · 1.6% of its workBuilding and Construction: 1 fractional works · 1.3% of its workCivil and Structural Engineering: 1 fractional works · 0.7% of its workControl and Systems Engineering: 0 fractional works · 0.4% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.4% of its workArchitecture: 0 fractional works · 0.2% of its workAutomotive Engineering: 0 fractional works · 0.2% of its workMaterials Science: 8 fractional works · 10.5% of its workMaterials Chemistry: 5 fractional works · 6.1% of its workCeramics and Composites: 1 fractional works · 1.3% of its workBiomaterials: 1 fractional works · 1.0% of its workPolymers and Plastics: 1 fractional works · 0.9% of its workElectronic, Optical and Magnetic Materials: 0 fractional works · 0.5% of its workSurfaces, Coatings and Films: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 6 fractional works · 8.0% of its workEcology: 2 fractional works · 2.3% of its workEnvironmental Engineering: 1 fractional works · 1.0% of its workGlobal and Planetary Change: 1 fractional works · 0.9% of its workEnvironmental Chemistry: 1 fractional works · 0.8% of its workWater Science and Technology: 1 fractional works · 0.7% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.7% of its workManagement, Monitoring, Policy and Law: 0 fractional works · 0.6% of its workPollution: 0 fractional works · 0.6% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 4 fractional works · 5.8% of its workAtmospheric Science: 2 fractional works · 2.5% of its workGeochemistry and Petrology: 2 fractional works · 2.3% of its workOceanography: 0 fractional works · 0.6% of its workSpace and Planetary Science: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 4 fractional works · 4.8% of its workArtificial Intelligence: 2 fractional works · 3.1% of its workInformation Systems: 1 fractional works · 0.8% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPhysics and Astronomy: 2 fractional works · 3.1% of its workAstronomy and Astrophysics: 2 fractional works · 2.7% of its workRadiation: 0 fractional works · 0.2% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.2% of its workEnergy: 2 fractional works · 3.1% of its workRenewable Energy, Sustainability and the Environment: 2 fractional works · 2.9% of its workEnergy Engineering and Power Technology: 0 fractional works · 0.2% of its workChemistry: 2 fractional works · 2.6% of its workOrganic Chemistry: 2 fractional works · 2.5% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMathematics: 1 fractional works · 1.1% of its workApplied Mathematics: 0 fractional works · 0.6% of its workStatistics and Probability: 0 fractional works · 0.3% of its workModeling and Simulation: 0 fractional works · 0.2% of its workChemical Engineering: 1 fractional works · 0.8% of its workProcess Chemistry and Technology: 0 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workHealth Sciences: 11 fractional works · 15.4% of its workMedicine: 10 fractional works · 13.5% of its workEpidemiology: 2 fractional works · 3.1% of its workPulmonary and Respiratory Medicine: 2 fractional works · 2.1% of its workSurgery: 1 fractional works · 0.9% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.8% of its workOncology: 1 fractional works · 0.8% of its workComplementary and alternative medicine: 0 fractional works · 0.7% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.6% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.6% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.6% of its workPhysiology: 0 fractional works · 0.5% of its workBiochemistry: 0 fractional works · 0.4% of its workHealth Informatics: 0 fractional works · 0.4% of its workPharmacology: 0 fractional works · 0.3% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 0.2% of its workPsychiatry and Mental health: 0 fractional works · 0.2% of its workReproductive Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 1.2% of its workHealth Professions: 1 fractional works · 1.3% of its workGeneral Health Professions: 0 fractional works · 0.4% of its workHealth Information Management: 0 fractional works · 0.3% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 0.6% of its workNutrition and Dietetics: 0 fractional works · 0.4% of its workResearch and Theory: 0 fractional works · 0.2% of its workSocial Sciences: 9 fractional works · 12.7% of its workSocial Sciences: 4 fractional works · 6.0% of its workEducation: 1 fractional works · 1.8% of its workSociology and Political Science: 1 fractional works · 1.4% of its workTransportation: 1 fractional works · 0.9% of its workGeography, Planning and Development: 1 fractional works · 0.9% of its workCultural Studies: 0 fractional works · 0.6% of its workAnthropology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPsychology: 2 fractional works · 2.3% of its workClinical Psychology: 1 fractional works · 1.1% of its workSocial Psychology: 1 fractional works · 0.8% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.4% of its workArts and Humanities: 1 fractional works · 1.5% of its workPhilosophy: 0 fractional works · 0.7% of its workHistory and Philosophy of Science: 0 fractional works · 0.4% of its workMusic: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 1 fractional works · 1.4% of its workStrategy and Management: 0 fractional works · 0.4% of its workManagement Information Systems: 0 fractional works · 0.4% of its workMarketing: 0 fractional works · 0.3% of its workAccounting: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.8% of its workEconomics and Econometrics: 0 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDecision Sciences: 0 fractional works · 0.7% of its workManagement Science and Operations Research: 0 fractional works · 0.7% of its workLife Sciences: 9 fractional works · 11.7% of its workBiochemistry, Genetics and Molecular Biology: 4 fractional works · 5.3% of its workMolecular Biology: 1 fractional works · 2.0% of its workGenetics: 1 fractional works · 1.0% of its workBiophysics: 0 fractional works · 0.6% of its workMolecular Medicine: 0 fractional works · 0.5% of its workEndocrinology: 0 fractional works · 0.5% of its workPhysiology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workAgricultural and Biological Sciences: 3 fractional works · 4.6% of its workAquatic Science: 1 fractional works · 1.4% of its workEcology, Evolution, Behavior and Systematics: 1 fractional works · 0.9% of its workFood Science: 1 fractional works · 0.8% of its workAnimal Science and Zoology: 0 fractional works · 0.4% of its workPlant Science: 0 fractional works · 0.4% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.4% of its workSoil Science: 0 fractional works · 0.3% of its workNeuroscience: 1 fractional works · 0.8% of its workCognitive Neuroscience: 0 fractional works · 0.4% of its workSensory Systems: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 1 fractional works · 0.7% of its workImmunology: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.0% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.3% of its workPharmaceutical Science: 0 fractional works · 0.3% of its workALL ITS WORKToto (Japan)74fractional works, 2022-now
Life Sciences12%Physical Sciences60%Health Sciences15%Social Sciences13%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 24 fields, with their numbers
    1. Engineering1520.5%
    2. Materials Science810.5%
    3. Environmental Science68.0%
    4. Earth and Planetary Sciences45.8%
    5. Computer Science44.8%
    6. Physics and Astronomy23.1%
    7. Energy23.1%
    8. Chemistry22.6%
    9. Mathematics11.1%
    10. Chemical Engineering10.8%
    1. Medicine1013.5%
    2. Health Professions11.3%
    3. Nursing00.6%
    1. Social Sciences46.0%
    2. Psychology22.3%
    3. Arts and Humanities11.5%
    4. Business, Management and Accounting11.4%
    5. Economics, Econometrics and Finance10.8%
    6. Decision Sciences00.7%
    1. Biochemistry, Genetics and Molecular Biology45.3%
    2. Agricultural and Biological Sciences34.6%
    3. Neuroscience10.8%
    4. Immunology and Microbiology10.7%
    5. Pharmacology, Toxicology and Pharmaceutics00.3%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.96× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.00× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.69× its world share, 0 worksImmunology and Micro…Neuroscience: 0.50× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.96× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 2.14× its world share, 1 worksChemical EngineeringChemistry: 1.67× its world share, 2 worksChemistryComputer Science: 0.61× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 3.71× its world share, 4 worksEarth and Planetary …Energy: 3.37× its world share, 2 worksEnergyEngineering: 1.37× its world share, 15 worksEngineeringEnvironmental Science: 1.60× its world share, 6 worksEnvironmental ScienceMaterials Science: 3.00× its world share, 8 worksMaterials ScienceMathematics: 0.89× its world share, 1 worksMathematicsPhysics and Astronomy: 1.42× its world share, 2 worksPhysics and AstronomyHealth Professions: 0.51× its world share, 1 worksHealth ProfessionsMedicine: 0.70× its world share, 10 worksMedicineNursing: 1.22× its world share, 0 worksNursingArts and Humanities: 0.51× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.42× its world share, 1 worksBusiness, Management…Decision Sciences: 0.70× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.39× its world share, 1 worksEconomics, Econometr…Psychology: 0.76× its world share, 2 worksPsychologySocial Sciences: 0.48× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 3.7×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Earth and Planetary Sciences3.71×4 works
  2. Energy3.37×2 works
  3. Materials Science3.00×8 works
  4. Chemical Engineering2.14×1 works
  5. Chemistry1.67×2 works
  6. Environmental Science1.60×6 works
  7. Physics and Astronomy1.42×2 works
  8. Engineering1.37×15 works
  9. Nursing1.22×0 works
  10. Biochemistry, Genetics and Molecular Biology1.00×4 works
  11. Agricultural and Biological Sciences0.96×3 works
  12. Pharmacology, Toxicology and Pharmaceutics0.96×0 works
  13. Mathematics0.89×1 works
  14. Psychology0.76×2 works
  15. Medicine0.70×10 works
  16. Decision Sciences0.70×0 works
  17. Immunology and Microbiology0.69×0 works
  18. Computer Science0.61×4 works
  19. Health Professions0.51×1 works
  20. Arts and Humanities0.51×1 works
  21. Neuroscience0.50×1 works
  22. Social Sciences0.48×4 works
  23. Business, Management and Accounting0.42×1 works
  24. Economics, Econometrics and Finance0.39×1 works

Who are the top researchers at Toto (Japan)?

Ranked on the quality score, Hiromasa Tokudome, Sayuri Okunaka and Mitsuhide Shimohigoshi lead among researchers whose main affiliation is Toto (Japan).

  1. 1 Hiromasa Tokudome Japan · #1,024,840 worldwide 5.5k citations · 50 works
  2. 2 Sayuri Okunaka Japan · #2,092,698 worldwide 3.1k citations · 35 works
  3. 3 Mitsuhide Shimohigoshi Japan · #2,480,591 worldwide 4.4k citations · 19 works
  4. 4 Shuji Sonezaki Japan · #3,196,934 worldwide 968 citations · 29 works
  5. 5 Takuo Kataoka Japan · #3,273,692 worldwide 258 citations · 18 works
  6. 6 Koki Kanehira Japan · #3,377,995 worldwide 998 citations · 23 works
  7. 7 Tatsuya Goto Japan · #3,414,472 worldwide 321 citations · 18 works
  8. 8 Atsuo Watanabe Japan · #4,107,313 worldwide 304 citations · 16 works
  9. 9 Hidehiro Kubota Japan · #4,540,593 worldwide 701 citations · 24 works
  10. 10 Masakatsu Kiyohara Japan · #4,727,400 worldwide 291 citations · 29 works
All ranked researchers at Toto (Japan)

What are the most cited papers from Toto (Japan)?

The most cited paper from Toto (Japan) is "Light-induced amphiphilic surfaces" (Rong Wang, Kazuhito Hashimoto, Akira Fujishima et al., 1997), with 3,391 citations. Next come "Resistant Hypertension: Diagnosis, Evaluation, and Treatment" (2,241) and "Photocatalytic solar hydrogen production from water on a 100-m2 scale" (1,785).

Most cited papers
#PaperReleasedCitations
1 Light-induced amphiphilic surfaces Rong Wang, Kazuhito Hashimoto, Akira Fujishima et al. · Nature 31 Jul 1997 3,391
2 Resistant Hypertension: Diagnosis, Evaluation, and Treatment David A. Calhoun, Daniel J Jones, Stephen C. Textor et al. · Circulation Open access 23 Jun 2008 2,241
3 Photocatalytic solar hydrogen production from water on a 100-m2 scale Hiroshi Nishiyama, Taro Yamada, Mamiko Nakabayashi et al. · Nature 25 Aug 2021 1,785
4 Scalable water splitting on particulate photocatalyst sheets with a solar-to-hydrogen energy conversion efficiency exceeding 1% Qian Wang, Takashi Hisatomi, Qingxin Jia et al. · Nature Materials Open access 7 Mar 2016 1,688
5 Photogeneration of Highly Amphiphilic TiO2 Surfaces Rong Wang, Kazuhito Hashimoto, Akira Fujishima et al. · Advanced Materials 1998 805
All 60 most cited papers, with filters and sorting

Which keywords describe research at Toto (Japan)?

By fractional works in 2022-now, weighted toward what it does more of than the world: Mechanical Properties, Environmental Regulation, Global Warming, Hydrogen Production, Composite Materials, Antibiotic Resistance, Astrobiology and Earth Systems Science.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change3▲ 1.54×12 topics
  2. Mechanical Properties3▲ 4.3×11 topics
  3. Deep Learning3◆ 1.13×8 topics
  4. Nanomaterials2▲ 2.9×9 topics
  5. Graphene2▲ 4.3×5 topics
  6. Artificial Intelligence2▲ 1.92×7 topics
  7. Biomedical Applications2▲ 2.3×10 topics
  8. Environmental Regulation2▲ 18×2 topics
  9. Global Warming2▲ 6.5×4 topics
  10. Antibiotic Resistance2▲ 6.4×5 topics
  11. Microstructure2▲ 4.8×5 topics
  12. Hydrogen Production2▲ 9.1×2 topics
  13. Astrobiology2▲ 71×1 topic
  14. Composite Materials2▲ 11×3 topics
  15. Earth Systems Science2▲ 350×1 topic
  16. Extraterrestrial Life2▲ 103×1 topic
  17. Gaia Hypothesis2▲ 350×1 topic
  18. Heat Transfer2▲ 4.8×7 topics
  19. Nanocomposites2▲ 2.9×6 topics
  20. Neutron Emissions2▲ 676×1 topic
  21. Piezonuclear Reactions2▲ 676×1 topic
  22. Catalysis2▲ 3.3×5 topics
  23. Aquaculture2▲ 7.9×6 topics
  24. Semiconductor1▲ 5.6×2 topics
  25. Oxidation Resistance1▲ 17×2 topics
  26. Virulence1▲ 26×2 topics
  27. Visible Light1▲ 7.4×3 topics
  28. CO2 Reduction1▲ 7.5×2 topics
  29. Material Properties1▲ 16×2 topics
  30. Photocatalyst1▲ 8.9×1 topic
  31. Plasmonic1▲ 8.9×1 topic
  32. Thermal Conductivity1▲ 9.3×3 topics
  33. Agent-Based Modeling1▲ 10×2 topics
  34. Burkholderia pseudomallei1▲ 270×1 topic
  35. Chronic Cough1▲ 51×1 topic
  36. Cough Reflex Sensitivity1▲ 51×1 topic
  37. Fiber Networks1▲ 130×1 topic
  38. Melioidosis1▲ 270×1 topic
  39. Paper Mechanics1▲ 130×1 topic
  40. Reinforcement Learning1▲ 12×2 topics

Which research topics does Toto (Japan) publish most on?

By volume in 2022-now: Space Science and Extraterrestrial Life, Cold Fusion and Nuclear Reactions, Earth Systems and Cosmic Evolution and Advanced Photocatalysis Techniques.

Space Science and Extrat…2Space Science and Extraterrestrial Life: 2 fractional worksCold Fusion and Nuclear …2Cold Fusion and Nuclear Reactions: 2 fractional worksEarth Systems and Cosmic…2Earth Systems and Cosmic Evolution: 2 fractional worksAdvanced Photocatalysis …1Advanced Photocatalysis Techniques: 1 fractional worksMaterial Properties and Processing: 1 fractional worksBurkholderia infections and melioidosis: 1 fractional worksRespiratory and Cough-Re…1Respiratory and Cough-Related Research: 1 fractional worksAdvanced ceramic materials synthesis: 1 fractional worksHigh Entropy Alloys Studies: 1 fractional worksAdditive Manufacturing M…1Additive Manufacturing Materials and Processes: 1 fractional works
Astronomy and AstrophysicsGeochemistry and PetrologyAtmospheric ScienceRenewable Energy, Sustainability and the Environment5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Space Science and Extraterrestrial Life Astronomy and Astrophysics 2 works
  2. 2 Cold Fusion and Nuclear Reactions Geochemistry and Petrology 2 works
  3. 3 Earth Systems and Cosmic Evolution Atmospheric Science 2 works
  4. 4 Advanced Photocatalysis Techniques Renewable Energy, Sustainability and the Environment 1 works
  5. 5 Material Properties and Processing Mechanics of Materials 1 works
  6. 6 Burkholderia infections and melioidosis Epidemiology 1 works
  7. 7 Respiratory and Cough-Related Research Pulmonary and Respiratory Medicine 1 works
  8. 8 Advanced ceramic materials synthesis Ceramics and Composites 1 works
  9. 9 High Entropy Alloys Studies Mechanical Engineering 1 works
  10. 10 Additive Manufacturing Materials and Processes Mechanical Engineering 1 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available51.2%not open48.8%

World: 40% of research is openly available.

with international co-authors17.0%domestic only83.0%

World: 18% is written across borders.

How has Toto (Japan)'s research output changed?

Output in 2022-2025 was 40% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Toto (Japan) as a percentage of every work published that year, 0.00030% in 2024.

still counting0.0020%0.0040%Toto (Japan)0.00020% in 202519801990200020102020

Fractional works of Toto (Japan) over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

5%10%15%all institutions10.0% in 2022Toto (Japan)2.7% in 202220102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 14.1% in 2007.

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Toto (Japan) on Science Explorer

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