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Company · Kawasaki · Japan

Tokyo Ohka Kogyo (Japan)

In research, Tokyo Ohka Kogyo (Japan) stands highest in Physical Sciences (#10,181 of 17,446 worldwide) and Engineering (#5,655 of 9,532 worldwide), over all time.

tok.co.jp/engROR OpenAlex
World rank, all time
#24,590
of 34,923
Rank in Japan
#882
of 1,923
Research works
384
▲ 48% vs 2018-21
Citations
2.8k
7.4 per fractional work
Top-10% rate
7.3%
all institutions 10.0%
vs its own fields
0.75×
1.00× is exactly expected
Open access
50%
world 40%
International
15%
world 18%
Tokyo Ohka Kogyo (Japan)

What is Tokyo Ohka Kogyo (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 #10,181 of 17,446 4.8%331
EngineeringField #5,655 of 9,532 5.1%202

Each strip is that field's whole ranked pool, with the notch where Tokyo Ohka Kogyo (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 Tokyo Ohka Kogyo (Japan) work in?

In 2022-now, 80% of research at Tokyo Ohka Kogyo (Japan) is in Physical Sciences, 8% in Health Sciences. Its largest fields are Engineering (46%), Materials Science (16%), Medicine (7%). It does 1.9× the world's share of Physical Sciences.

Physical Sciences: 39 fractional works · 80.2% of its workEngineering: 23 fractional works · 46.1% of its workElectrical and Electronic Engineering: 9 fractional works · 17.7% of its workBiomedical Engineering: 5 fractional works · 10.7% of its workMechanical Engineering: 3 fractional works · 5.5% of its workMechanics of Materials: 1 fractional works · 2.5% of its workComputational Mechanics: 1 fractional works · 1.9% of its workOcean Engineering: 1 fractional works · 1.9% of its workBuilding and Construction: 1 fractional works · 1.4% of its workControl and Systems Engineering: 1 fractional works · 1.4% of its workAerospace Engineering: 1 fractional works · 1.1% of its workCivil and Structural Engineering: 1 fractional works · 1.1% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.7% of its workAutomotive Engineering: 0 fractional works · 0.3% of its workMaterials Science: 8 fractional works · 16.3% of its workMaterials Chemistry: 4 fractional works · 7.9% of its workPolymers and Plastics: 2 fractional works · 3.8% of its workSurfaces, Coatings and Films: 1 fractional works · 2.3% of its workElectronic, Optical and Magnetic Materials: 1 fractional works · 1.9% of its workGeneral Materials Science: 0 fractional works · 0.4% of its workChemistry: 3 fractional works · 5.2% of its workOrganic Chemistry: 2 fractional works · 4.7% of its workSpectroscopy: 0 fractional works · 0.3% of its workPhysical and Theoretical Chemistry: 0 fractional works · 0.2% of its workEnvironmental Science: 2 fractional works · 3.9% of its workNature and Landscape Conservation: 1 fractional works · 1.2% of its workEnvironmental Engineering: 1 fractional works · 1.0% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.7% of its workPollution: 0 fractional works · 0.3% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workPhysics and Astronomy: 2 fractional works · 3.8% of its workStatistical and Nonlinear Physics: 1 fractional works · 2.0% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 1.1% of its workCondensed Matter Physics: 0 fractional works · 0.3% of its workRadiation: 0 fractional works · 0.3% of its workComputer Science: 1 fractional works · 2.4% of its workInformation Systems: 1 fractional works · 1.4% of its workArtificial Intelligence: 0 fractional works · 0.7% of its workHardware and Architecture: 0 fractional works · 0.3% of its workMathematics: 1 fractional works · 1.4% of its workApplied Mathematics: 0 fractional works · 0.7% of its workModeling and Simulation: 0 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.0% of its workChemical Engineering: 0 fractional works · 0.5% of its workBioengineering: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnergy: 0 fractional works · 0.4% of its workRenewable Energy, Sustainability and the Environment: 0 fractional works · 0.4% of its workEarth and Planetary Sciences: 0 fractional works · 0.3% of its workHealth Sciences: 4 fractional works · 7.6% of its workMedicine: 4 fractional works · 7.2% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 1.1% of its workEpidemiology: 0 fractional works · 1.0% of its workDermatology: 0 fractional works · 0.9% of its workSurgery: 0 fractional works · 0.7% of its workNeurology: 0 fractional works · 0.6% of its workOncology: 0 fractional works · 0.6% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.4% of its workInternal Medicine: 0 fractional works · 0.3% of its workInfectious Diseases: 0 fractional works · 0.3% of its workComplementary and alternative medicine: 0 fractional works · 0.2% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 0.2% of its workGenetics: 0 fractional works · 0.2% of its workReproductive Medicine: 0 fractional works · 0.2% of its workHepatology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workHealth Professions: 0 fractional works · 0.3% of its workEmergency Medical Services: 0 fractional works · 0.3% of its workLife Sciences: 3 fractional works · 6.2% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 2.3% of its workMolecular Biology: 1 fractional works · 1.9% of its workMolecular Medicine: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 1 fractional works · 1.6% of its workImmunology: 1 fractional works · 1.3% of its workParasitology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workAgricultural and Biological Sciences: 1 fractional works · 1.4% of its workPlant Science: 0 fractional works · 0.7% of its workFood Science: 0 fractional works · 0.7% of its workNeuroscience: 0 fractional works · 0.9% of its workCognitive Neuroscience: 0 fractional works · 0.7% of its workCellular and Molecular Neuroscience: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workSocial Sciences: 3 fractional works · 5.9% of its workBusiness, Management and Accounting: 1 fractional works · 2.7% of its workStrategy and Management: 1 fractional works · 2.0% of its workBusiness and International Management: 0 fractional works · 0.7% of its workSocial Sciences: 1 fractional works · 1.9% of its workSociology and Political Science: 0 fractional works · 0.9% of its workPolitical Science and International Relations: 0 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.9% of its workEconomics and Econometrics: 0 fractional works · 0.9% of its workPsychology: 0 fractional works · 0.4% of its workSocial Psychology: 0 fractional works · 0.4% of its workALL ITS WORKTokyo Ohka Kogyo(Japan)49fractional works, 2022-now
Life Sciences6%Physical Sciences80%Health Sciences8%Social Sciences6%

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 21 fields, with their numbers
    1. Engineering2346.1%
    2. Materials Science816.3%
    3. Chemistry35.2%
    4. Environmental Science23.9%
    5. Physics and Astronomy23.8%
    6. Computer Science12.4%
    7. Mathematics11.4%
    8. Chemical Engineering00.5%
    9. Energy00.4%
    10. Earth and Planetary Sciences00.3%
    1. Medicine47.2%
    2. Health Professions00.3%
    1. Biochemistry, Genetics and Molecular Biology12.3%
    2. Immunology and Microbiology11.6%
    3. Agricultural and Biological Sciences11.4%
    4. Neuroscience00.9%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
    1. Business, Management and Accounting12.7%
    2. Social Sciences11.9%
    3. Economics, Econometrics and Finance00.9%
    4. Psychology00.4%
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: 0.30× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.42× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 1.60× its world share, 1 worksImmunology and Micro…Neuroscience: 0.56× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.19× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 1.36× its world share, 0 worksChemical EngineeringChemistry: 3.32× its world share, 3 worksChemistryComputer Science: 0.31× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.19× its world share, 0 worksEarth and Planetary …Energy: 0.43× its world share, 0 worksEnergyEngineering: 3.08× its world share, 23 worksEngineeringEnvironmental Science: 0.77× its world share, 2 worksEnvironmental ScienceMaterials Science: 4.67× its world share, 8 worksMaterials ScienceMathematics: 1.16× its world share, 1 worksMathematicsPhysics and Astronomy: 1.71× its world share, 2 worksPhysics and AstronomyHealth Professions: 0.13× its world share, 0 worksHealth ProfessionsMedicine: 0.38× its world share, 4 worksMedicineBusiness, Management and Accounting: 0.84× its world share, 1 worksBusiness, Management…Economics, Econometrics and Finance: 0.40× its world share, 0 worksEconomics, Econometr…Psychology: 0.15× its world share, 0 worksPsychologySocial Sciences: 0.15× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Materials Science, 4.7×. Every wedge is a field page.

All 21 fields, with their numbers
  1. Materials Science4.67×8 works
  2. Chemistry3.32×3 works
  3. Engineering3.08×23 works
  4. Physics and Astronomy1.71×2 works
  5. Immunology and Microbiology1.60×1 works
  6. Chemical Engineering1.36×0 works
  7. Mathematics1.16×1 works
  8. Business, Management and Accounting0.84×1 works
  9. Environmental Science0.77×2 works
  10. Neuroscience0.56×0 works
  11. Energy0.43×0 works
  12. Biochemistry, Genetics and Molecular Biology0.42×1 works
  13. Economics, Econometrics and Finance0.40×0 works
  14. Medicine0.38×4 works
  15. Computer Science0.31×1 works
  16. Agricultural and Biological Sciences0.30×1 works
  17. Pharmacology, Toxicology and Pharmaceutics0.19×0 works
  18. Earth and Planetary Sciences0.19×0 works
  19. Psychology0.15×0 works
  20. Social Sciences0.15×1 works
  21. Health Professions0.13×0 works

Who are the top researchers at Tokyo Ohka Kogyo (Japan)?

Ranked on the quality score, Takahiro Senzaki, Takashi Onozawa and Mitsuru Satô lead among researchers whose main affiliation is Tokyo Ohka Kogyo (Japan).

  1. 1 Takahiro Senzaki Japan · #2,011,616 worldwide 503 citations · 16 works
  2. 2 Takashi Onozawa Japan · #2,291,922 worldwide 610 citations · 17 works
  3. 3 Mitsuru Satô Japan · #2,330,996 worldwide 1.9k citations · 73 works
  4. 4 Tomoyuki Ando Japan · #2,981,899 worldwide 1.7k citations · 46 works
  5. 5 Takahiro Dazai Japan · #3,444,493 worldwide 163 citations · 40 works
  6. 6 Kotaro Endo Japan · #3,665,875 worldwide 344 citations · 28 works
  7. 7 Takehiro Seshimo Japan · #4,410,131 worldwide 585 citations · 59 works
  8. 8 Hiroshi Komano Japan · #4,544,698 worldwide 268 citations · 33 works
  9. 9 Shingo Asaumi Japan · #4,551,516 worldwide 20 citations · 15 works
  10. 10 Akiyoshi Yamazaki Japan · #4,566,882 worldwide 157 citations · 18 works
All ranked researchers at Tokyo Ohka Kogyo (Japan)

What are the most cited papers from Tokyo Ohka Kogyo (Japan)?

The most cited paper from Tokyo Ohka Kogyo (Japan) is "High Efficiency Cu2ZnSn(S,Se)4 Solar Cells by Applying a Double In2S3/CdS Emitter" (Jeehwan Kim, Homare Hiroi, Teodor K. Todorov et al., 2014), with 450 citations. Next come "Sensor properties and surface characterization of the metal-deposited SPR optical fiber sensors with Au, Ag, Cu, and Al" (207) and "Proton Dynamics in Chemically Amplified Electron Beam Resists" (179).

Most cited papers
#PaperReleasedCitations
1 High Efficiency Cu2ZnSn(S,Se)4 Solar Cells by Applying a Double In2S3/CdS Emitter Jeehwan Kim, Homare Hiroi, Teodor K. Todorov et al. · Advanced Materials 25 Aug 2014 450
2 Sensor properties and surface characterization of the metal-deposited SPR optical fiber sensors with Au, Ag, Cu, and Al Masaru Mitsushio, Kenichiro Miyashita, Morihide Higo · Sensors and Actuators A Physical 6 Oct 2005 207
3 Proton Dynamics in Chemically Amplified Electron Beam Resists Hiroki Yamamoto, Takahiro Kozawa, Atsuro Nakano et al. · Japanese Journal of Applied Physics 11 Jun 2004 179
4 On circles and spheres in Riemannian geometry Katsumi Nomizu, Kentarô Yano · Mathematische Annalen Mar 1974 154
5 MICROENCAPSULATION OF EMULSIFIED HYDROPHOBIC FLAVORS BY SPRAY DRYING Xiangdong Liu, Takuroh Atarashi, Takeshi Furuta et al. · Drying Technology 31 Jul 2001 133
All 59 most cited papers, with filters and sorting

Which keywords describe research at Tokyo Ohka Kogyo (Japan)?

By fractional works in 2022-now, weighted toward what it does more of than the world: High-Resolution Patterning, Self-Assembly, Nanofabrication, Nanocomposites, Block Copolymers, Thin Films, Biological Applications and Nanoparticles.

▲ 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. High-Resolution Patterning4▲ 360×2 topics
  2. Nanoparticles3▲ 4.3×6 topics
  3. Nanocomposites2▲ 6.1×6 topics
  4. Nanofabrication2▲ 78×2 topics
  5. Self-Assembly2▲ 15×4 topics
  6. Block Copolymers2▲ 152×2 topics
  7. Biological Applications2▲ 60×2 topics
  8. Catalysis2▲ 6.2×5 topics
  9. Nanoscale Patterning2▲ 155×2 topics
  10. Thin Films2▲ 21×5 topics
  11. Electron Beam Lithography2▲ 421×1 topic
  12. Hybrid Materials2▲ 62×2 topics
  13. Resolution Limits2▲ 421×1 topic
  14. Nanolithography2▲ 313×1 topic
  15. Nanostructures2▲ 9.2×5 topics
  16. Soft Lithography2▲ 313×1 topic
  17. Morphology2▲ 20×2 topics
  18. Thermal Properties2▲ 29×2 topics
  19. Organic-Inorganic2▲ 233×1 topic
  20. Polyhedral Oligomeric Silsesquioxanes2▲ 233×1 topic
  21. Tool Wear2▲ 24×3 topics
  22. Interconnect1▲ 167×1 topic
  23. Through-Silicon Via1▲ 167×1 topic
  24. Molecular Dynamics Simulation1▲ 25×2 topics
  25. Click Chemistry1▲ 43×2 topics
  26. Electromigration1▲ 88×2 topics
  27. Integrated Circuits1▲ 17×2 topics
  28. Micelles1▲ 67×2 topics
  29. Space Applications1▲ 53×2 topics
  30. Thermal Stability1▲ 89×2 topics
  31. Elemental Sulfur1▲ 100×1 topic
  32. Living Radical Polymerization1▲ 103×1 topic
  33. Photonic Crystals1▲ 19×3 topics
  34. Polyimides1▲ 112×1 topic
  35. Thiol-Ene Chemistry1▲ 103×1 topic
  36. Disruption Mitigation1▲ 41×1 topic
  37. Lithography1▲ 313×1 topic
  38. Multiphase Flow1▲ 24×2 topics
  39. Nanotechnology1▲ 11×1 topic
  40. Supply Chain Resilience1▲ 41×1 topic

Which research topics does Tokyo Ohka Kogyo (Japan) publish most on?

By volume in 2022-now: Advancements in Photolithography Techniques, Nanofabrication and Lithography Techniques, Silicone and Siloxane Chemistry and 3D IC and TSV technologies.

Advancements in Photolit…2Advancements in Photolithography Techniques: 2 fractional worksNanofabrication and Lith…2Nanofabrication and Lithography Techniques: 2 fractional worksSilicone and Siloxane Ch…2Silicone and Siloxane Chemistry: 2 fractional works3D IC and TSV technologies13D IC and TSV technologies: 1 fractional worksSynthesis and properties of polymers: 1 fractional worksAdvanced Polymer Synthesis and Characterization: 1 fractional worksBlock Copolymer Self-Ass…1Block Copolymer Self-Assembly: 1 fractional worksAdvanced Surface Polishing Techniques: 1 fractional worksSupply Chain Resilience and Risk Management: 1 fractional worksPhotonic and Optical Dev…1Photonic and Optical Devices: 1 fractional works
Electrical and Electronic EngineeringBiomedical EngineeringMaterials ChemistryPolymers and Plastics2 others

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

  1. 1 Advancements in Photolithography Techniques Electrical and Electronic Engineering 2 works
  2. 2 Nanofabrication and Lithography Techniques Biomedical Engineering 2 works
  3. 3 Silicone and Siloxane Chemistry Materials Chemistry 2 works
  4. 4 3D IC and TSV technologies Electrical and Electronic Engineering 1 works
  5. 5 Synthesis and properties of polymers Polymers and Plastics 1 works
  6. 6 Advanced Polymer Synthesis and Characterization Organic Chemistry 1 works
  7. 7 Block Copolymer Self-Assembly Materials Chemistry 1 works
  8. 8 Advanced Surface Polishing Techniques Biomedical Engineering 1 works
  9. 9 Supply Chain Resilience and Risk Management Strategy and Management 1 works
  10. 10 Photonic and Optical Devices Electrical and Electronic 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 available49.7%not open50.3%

World: 40% of research is openly available.

with international co-authors15.1%domestic only84.9%

World: 18% is written across borders.

How has Tokyo Ohka Kogyo (Japan)'s research output changed?

Output in 2022-2025 was 48% higher 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 Tokyo Ohka Kogyo (Japan) as a percentage of every work published that year, 0.00026% in 2024.

still counting0.0010%0.0020%0.0030%Tokyo Ohka Kogyo (Japan)0.00029% in 202519801990200020102020

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

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Tokyo Ohka Kogyo (Japan) on Science Explorer

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