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Company · Tokyo · Japan

Nippon Kayaku (Japan)

In research, Nippon Kayaku (Japan) stands highest in Biochemistry, Genetics and Molecular Biology (#5,075 of 5,801 worldwide), Life Sciences (#9,806 of 11,023 worldwide) and Health Sciences (#15,904 of 16,688 worldwide), over all time.

nipponkayaku.co.jp/englishROR OpenAlex
World rank, all time
#27,424
of 34,923
Rank in Japan
#1,089
of 1,923
Research works
751
▼ 40% vs 2018-21
Citations
14k
19.1 per fractional work
Top-10% rate
5.1%
all institutions 10.0%
vs its own fields
0.77×
1.00× is exactly expected
Open access
47%
world 40%
International
9%
world 18%
Nippon Kayaku (Japan)

What is Nippon Kayaku (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
Biochemistry, Genetics and Molecular BiologyField #5,075 of 5,801 5.9%168
Life SciencesDomain #9,806 of 11,023 5.3%299
Health SciencesDomain #15,904 of 16,688 6.2%185
MedicineField #13,907 of 14,558 6.2%177
Physical SciencesDomain #16,748 of 17,446 7.7%258

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

In 2022-now, 36% of research at Nippon Kayaku (Japan) is in Physical Sciences, 25% in Social Sciences. Its largest fields are Medicine (20%), Engineering (17%), Social Sciences (14%).

Physical Sciences: 8 fractional works · 35.8% of its workEngineering: 4 fractional works · 16.6% of its workElectrical and Electronic Engineering: 1 fractional works · 5.5% of its workMechanical Engineering: 1 fractional works · 4.4% of its workBiomedical Engineering: 1 fractional works · 3.6% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 1.5% of its workCivil and Structural Engineering: 0 fractional works · 1.3% of its workComputational Mechanics: 0 fractional works · 0.4% of its workMaterials Science: 2 fractional works · 10.3% of its workMaterials Chemistry: 1 fractional works · 5.9% of its workBiomaterials: 0 fractional works · 2.2% of its workPolymers and Plastics: 0 fractional works · 2.2% of its workPhysics and Astronomy: 1 fractional works · 3.7% of its workAtomic and Molecular Physics, and Optics: 0 fractional works · 1.5% of its workCondensed Matter Physics: 0 fractional works · 1.5% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.8% of its workChemistry: 0 fractional works · 2.1% of its workOrganic Chemistry: 0 fractional works · 1.8% of its workSpectroscopy: 0 fractional works · 0.4% of its workChemical Engineering: 0 fractional works · 1.9% of its workBioengineering: 0 fractional works · 1.5% of its workCatalysis: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.0% of its workMathematics: 0 fractional works · 0.6% of its workStatistics and Probability: 0 fractional works · 0.6% of its workEnvironmental Science: 0 fractional works · 0.4% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.4% of its workEarth and Planetary Sciences: 0 fractional works · 0.3% of its workGeophysics: 0 fractional works · 0.3% of its workSocial Sciences: 6 fractional works · 25.1% of its workSocial Sciences: 3 fractional works · 13.5% of its workEducation: 2 fractional works · 7.6% of its workPolitical Science and International Relations: 1 fractional works · 3.0% of its workAnthropology: 0 fractional works · 1.5% of its workCultural Studies: 0 fractional works · 1.5% of its workArts and Humanities: 1 fractional works · 3.7% of its workArcheology: 0 fractional works · 1.5% of its workHistory: 0 fractional works · 1.5% of its workLiterature and Literary Theory: 0 fractional works · 0.4% of its workReligious studies: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.0% of its workBusiness, Management and Accounting: 1 fractional works · 3.7% of its workManagement Information Systems: 0 fractional works · 1.5% of its workStrategy and Management: 0 fractional works · 1.5% of its workManagement of Technology and Innovation: 0 fractional works · 0.8% of its workEconomics, Econometrics and Finance: 1 fractional works · 3.2% of its workEconomics and Econometrics: 1 fractional works · 3.2% of its workPsychology: 0 fractional works · 1.1% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.7% of its workSocial Psychology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.0% of its workHealth Sciences: 5 fractional works · 22.1% of its workMedicine: 4 fractional works · 19.9% of its workOncology: 1 fractional works · 4.9% of its workSurgery: 1 fractional works · 3.1% of its workPhysiology: 0 fractional works · 2.2% of its workPulmonary and Respiratory Medicine: 0 fractional works · 2.1% of its workRheumatology: 0 fractional works · 1.1% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.8% of its workPathology and Forensic Medicine: 0 fractional works · 0.8% of its workGastroenterology: 0 fractional works · 0.8% of its workRehabilitation: 0 fractional works · 0.8% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.6% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.5% of its workHepatology: 0 fractional works · 0.5% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.4% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.4% of its workPsychiatry and Mental health: 0 fractional works · 0.4% of its workDermatology: 0 fractional works · 0.3% of its workEpidemiology: 0 fractional works · 0.3% of its workHealth Professions: 0 fractional works · 2.2% of its workOccupational Therapy: 0 fractional works · 1.5% of its workGeneral Health Professions: 0 fractional works · 0.8% of its workLife Sciences: 4 fractional works · 17.0% of its workAgricultural and Biological Sciences: 2 fractional works · 7.1% of its workPlant Science: 1 fractional works · 2.3% of its workInsect Science: 0 fractional works · 1.9% of its workAquatic Science: 0 fractional works · 1.5% of its workSoil Science: 0 fractional works · 1.5% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 4.8% of its workMolecular Biology: 1 fractional works · 2.9% of its workCancer Research: 0 fractional works · 0.8% of its workCell Biology: 0 fractional works · 0.4% of its workGenetics: 0 fractional works · 0.4% of its workAging: 0 fractional works · 0.3% of its workNeuroscience: 0 fractional works · 2.1% of its workEndocrine and Autonomic Systems: 0 fractional works · 1.0% of its workCognitive Neuroscience: 0 fractional works · 0.7% of its workNeurology: 0 fractional works · 0.5% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 2.0% of its workPharmaceutical Science: 0 fractional works · 2.0% of its workImmunology and Microbiology: 0 fractional works · 1.0% of its workImmunology: 0 fractional works · 1.0% of its workALL ITS WORKNippon Kayaku(Japan)23fractional works, 2022-now
Life Sciences17%Physical Sciences36%Health Sciences22%Social Sciences25%

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 20 fields, with their numbers
    1. Engineering416.6%
    2. Materials Science210.3%
    3. Physics and Astronomy13.7%
    4. Chemistry02.1%
    5. Chemical Engineering01.9%
    6. Mathematics00.6%
    7. Environmental Science00.4%
    8. Earth and Planetary Sciences00.3%
    1. Social Sciences313.5%
    2. Arts and Humanities13.7%
    3. Business, Management and Accounting13.7%
    4. Economics, Econometrics and Finance13.2%
    5. Psychology01.1%
    1. Medicine419.9%
    2. Health Professions02.2%
    1. Agricultural and Biological Sciences27.1%
    2. Biochemistry, Genetics and Molecular Biology14.8%
    3. Neuroscience02.1%
    4. Pharmacology, Toxicology and Pharmaceutics02.0%
    5. Immunology and Microbiology01.0%
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: 1.50× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.90× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 1.00× its world share, 0 worksImmunology and Micro…Neuroscience: 1.32× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 5.70× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 5.26× its world share, 0 worksChemical EngineeringChemistry: 1.36× its world share, 0 worksChemistryEarth and Planetary Sciences: 0.19× its world share, 0 worksEarth and Planetary …Engineering: 1.11× its world share, 4 worksEngineeringEnvironmental Science: 0.07× its world share, 0 worksEnvironmental ScienceMaterials Science: 2.94× its world share, 2 worksMaterials ScienceMathematics: 0.50× its world share, 0 worksMathematicsPhysics and Astronomy: 1.65× its world share, 1 worksPhysics and AstronomyHealth Professions: 0.84× its world share, 0 worksHealth ProfessionsMedicine: 1.03× its world share, 4 worksMedicineArts and Humanities: 1.27× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 1.14× its world share, 1 worksBusiness, Management…Economics, Econometrics and Finance: 1.49× its world share, 1 worksEconomics, Econometr…Psychology: 0.34× its world share, 0 worksPsychologySocial Sciences: 1.07× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 5.7×. Every wedge is a field page.

All 20 fields, with their numbers
  1. Pharmacology, Toxicology and Pharmaceutics5.70×0 works
  2. Chemical Engineering5.26×0 works
  3. Materials Science2.94×2 works
  4. Physics and Astronomy1.65×1 works
  5. Agricultural and Biological Sciences1.50×2 works
  6. Economics, Econometrics and Finance1.49×1 works
  7. Chemistry1.36×0 works
  8. Neuroscience1.32×0 works
  9. Arts and Humanities1.27×1 works
  10. Business, Management and Accounting1.14×1 works
  11. Engineering1.11×4 works
  12. Social Sciences1.07×3 works
  13. Medicine1.03×4 works
  14. Immunology and Microbiology1.00×0 works
  15. Biochemistry, Genetics and Molecular Biology0.90×1 works
  16. Health Professions0.84×0 works
  17. Mathematics0.50×0 works
  18. Psychology0.34×0 works
  19. Earth and Planetary Sciences0.19×0 works
  20. Environmental Science0.07×0 works

Who are the top researchers at Nippon Kayaku (Japan)?

Ranked on the quality score, Katsutoshi Takahashi, Hidemitsu Sugihara and Akio Fujii lead among researchers whose main affiliation is Nippon Kayaku (Japan).

  1. 1 Katsutoshi Takahashi Japan · #611,736 worldwide 3.8k citations · 114 works
  2. 2 Hidemitsu Sugihara Japan · #1,730,642 worldwide 3.6k citations · 26 works
  3. 3 Akio Fujii Japan · #2,067,697 worldwide 8.1k citations · 111 works
  4. 4 Yoshikazu Sukenaga Japan · #3,333,638 worldwide 609 citations · 32 works
  5. 5 Hideji Fujii Japan · #4,282,553 worldwide 1.3k citations · 26 works
  6. 6 NOBUYOSHI SHIMADA Japan · #4,347,723 worldwide 1.2k citations · 40 works
  7. 7 Arihiro Tomura Japan · #4,827,864 worldwide 612 citations · 47 works
  8. 8 Jun Iwabuchi Japan · #4,919,350 worldwide 401 citations · 22 works
  9. 9 HIROSHI KURAMOCHI Japan · #4,970,940 worldwide 413 citations · 15 works
  10. 10 Yuh-ichiro Ichikawa Japan · #5,089,367 worldwide 467 citations · 53 works
All ranked researchers at Nippon Kayaku (Japan)

What are the most cited papers from Nippon Kayaku (Japan)?

The most cited paper from Nippon Kayaku (Japan) is "Anthraquinone-Based Intramolecular Charge-Transfer Compounds: Computational Molecular Design, Thermally Activated Delayed Fluorescence, and Highly Efficient Red Electroluminescence" (Qisheng Zhang, Hirokazu Kuwabara, William J. Potscavage et al., 2014), with 998 citations. Next come "Highly Soluble [1]Benzothieno[3,2-b]benzothiophene (BTBT) Derivatives for High-Performance, Solution-Processed Organic Field-Effect Transistors" (968) and "Phase I clinical trial and pharmacokinetic evaluation of NK911, a micelle-encapsulated doxorubicin" (623).

Most cited papers
#PaperReleasedCitations
1 Anthraquinone-Based Intramolecular Charge-Transfer Compounds: Computational Molecular Design, Thermally Activated Delayed Fluorescence, and Highly Efficient Red Electroluminescence Qisheng Zhang, Hirokazu Kuwabara, William J. Potscavage et al. · Journal of the American Chemical Society 3 Dec 2014 998
2 Highly Soluble [1]Benzothieno[3,2-b]benzothiophene (BTBT) Derivatives for High-Performance, Solution-Processed Organic Field-Effect Transistors Hideaki Ebata, Takafumi Izawa, Eigo Miyazaki et al. · Journal of the American Chemical Society 29 Nov 2007 968
3 Phase I clinical trial and pharmacokinetic evaluation of NK911, a micelle-encapsulated doxorubicin Yasuhiro Matsumura, Tsuyoshi Hamaguchi, Takashi Ura et al. · British Journal of Cancer Open access 12 Oct 2004 623
4 Doxorubicin-loaded poly(ethylene glycol)–poly(β-benzyl-l-aspartate) copolymer micelles: their pharmaceutical characteristics and biological significance Kazunori Kataoka, Tsuyoshi Matsumoto, M. Yokoyama et al. · Journal of Controlled Release Feb 2000 616
5 Phenyl-Conjugated Oligoene Sensitizers for TiO 2 Solar Cells Takayuki Kitamura, Masaaki Ikeda, Koichiro Shigaki et al. · Chemistry of Materials Apr 2004 576
All 60 most cited papers, with filters and sorting

Which research topics does Nippon Kayaku (Japan) publish most on?

By volume in 2022-now: Education, Innovation and Language Studies, Injection Molding Process and Properties, Economic and Industrial Development and Medical, Sociocultural, and Biopolitical Studies.

Education, Innovation an…2Education, Innovation and Language Studies: 2 fractional worksInjection Molding Process and Properties: 1 fractional worksEconomic and Industrial Development: 1 fractional worksMedical, Sociocultural, and Biopolitical Studies: 1 fractional worksCarbon Nanotubes in Composites: 1 fractional worksTransition Metal Oxide Nanomaterials: 0 fractional worksGraphene research and ap…0Graphene research and applications: 0 fractional worksCancer Immunotherapy and Biomarkers: 0 fractional worksLung Cancer Treatments and Mutations: 0 fractional worksNanocomposite Films for Food Packaging: 0 fractional works
EducationMechanical EngineeringEconomics and EconometricsPolitical Science and International Relations5 others

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

  1. 1 Education, Innovation and Language Studies Education 2 works
  2. 2 Injection Molding Process and Properties Mechanical Engineering 1 works
  3. 3 Economic and Industrial Development Economics and Econometrics 1 works
  4. 4 Medical, Sociocultural, and Biopolitical Studies Political Science and International Relations 1 works
  5. 5 Carbon Nanotubes in Composites Materials Chemistry 1 works
  6. 6 Transition Metal Oxide Nanomaterials Polymers and Plastics 0 works
  7. 7 Graphene research and applications Materials Chemistry 0 works
  8. 8 Cancer Immunotherapy and Biomarkers Oncology 0 works
  9. 9 Lung Cancer Treatments and Mutations Pulmonary and Respiratory Medicine 0 works
  10. 10 Nanocomposite Films for Food Packaging Biomaterials 0 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 available47.0%not open53.0%

World: 40% of research is openly available.

with international co-authors9.3%domestic only90.7%

World: 18% is written across borders.

How has Nippon Kayaku (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 Nippon Kayaku (Japan) as a percentage of every work published that year, 0.00011% in 2024.

still counting0.0020%0.0040%0.0060%Nippon Kayaku (Japan)0.00010% in 202519801990200020102020

Fractional works of Nippon Kayaku (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%Nippon Kayaku (Japan)13.0% in 1999all institutions10.0% in 1999

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 13.9% in 1998.

Other research institutions in Tokyo

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Nippon Kayaku (Japan) on Science Explorer

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