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Company · Osaka · Japan

Santen (Japan)

In research, Santen (Japan) stands highest in Medicine (#11,570 of 17,978 worldwide), Health Sciences (#14,502 of 20,462 worldwide) and Life Sciences (#11,253 of 14,347 worldwide), over all time.

santen.com/enROR OpenAlex
World rank, 2022–2025
#24,007
of 28,054 · #19,930 all time
Rank in Japan
#792
of 1,070
Research works
620
▼ 9% vs 2013–17
Citations
11k
17.9 per fractional work
Top-10% rate
12.1%
record average 16.5%
Open access
38%
world 28%

What is Santen (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
MedicineField #11,570 of 17,978 12.5%282
Health SciencesDomain #14,502 of 20,462 12.0%307
Life SciencesDomain #11,253 of 14,347 7.3%183

Each strip is that field’s whole ranked pool, with the notch where Santen (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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

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: 0.68× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.34× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 0.92× its world share, 1 worksImmunology and Micro…Neuroscience: 0.89× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.89× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.07× its world share, 0 worksChemistryComputer Science: 0.36× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.25× its world share, 0 worksEarth and Planetary …Energy: 0.29× its world share, 0 worksEnergyEngineering: 0.75× its world share, 7 worksEngineeringEnvironmental Science: 0.58× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.42× its world share, 1 worksMaterials ScienceMathematics: 0.30× its world share, 0 worksMathematicsPhysics and Astronomy: 0.65× its world share, 1 worksPhysics and AstronomyDentistry: 1.38× its world share, 0 worksDentistryHealth Professions: 0.98× its world share, 2 worksHealth ProfessionsMedicine: 2.65× its world share, 32 worksMedicineNursing: 1.17× its world share, 0 worksNursingArts and Humanities: 0.02× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.40× its world share, 1 worksBusiness, Management…Decision Sciences: 0.79× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.47× its world share, 1 worksEconomics, Econometr…Psychology: 0.66× its world share, 1 worksPsychologySocial Sciences: 0.43× 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, 2.9×. Every wedge is a field page.

Who are the top researchers at Santen (Japan)?

Ranked on the composite score, Masatsugu Nakamura, Katsuhiko Nakata and Kazuyoshi Okamoto lead among researchers whose main affiliation is Santen (Japan).

  1. 1 Masatsugu Nakamura Japan · #394,152 worldwide 105 citations · 31 works
  2. 2 Katsuhiko Nakata Japan · #1,132,451 worldwide 41 citations · 15 works
  3. 3 Kazuyoshi Okamoto Japan · #1,146,752 worldwide 4 citations · 15 works
  4. 4 Hiroyuki Aono Japan · #1,174,243 worldwide 31 citations · 17 works
  5. 5 Kenji Yoneda Japan · #1,206,539 worldwide 56 citations · 37 works
  6. 6 Shinobu Fujii Japan · #1,386,211 worldwide 7 citations · 15 works
  7. 7 Masaaki Kageyama Japan · #1,395,419 worldwide 14 citations · 18 works
  8. 8 Shiro Mita Japan · #1,462,772 worldwide 19 citations · 20 works
  9. 9 Tadashi Iso Japan · #1,534,578 worldwide 14 citations · 25 works
All ranked researchers at Santen (Japan)

Which keywords describe research at Santen (Japan)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Intraocular Pressure, Epidemiology, Optical Coherence Tomography, Macular Degeneration, Glaucoma, Optic Nerve, Neurodegeneration and Ocular Hypertension.

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

Size is fractional works in 2022–2025 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. Epidemiology7▲ 2.8×30 topics
  2. Intraocular Pressure6▲ 112×2 topics
  3. Inflammation4▲ 3.5×20 topics
  4. Oxidative Stress4▲ 4.4×11 topics
  5. Optical Coherence Tomography4▲ 66×3 topics
  6. Risk Factors4▲ 5.8×8 topics
  7. Macular Degeneration4▲ 50×3 topics
  8. Glaucoma4▲ 41×2 topics
  9. Optic Nerve4▲ 61×2 topics
  10. Neurodegeneration4▲ 20×2 topics
  11. Ocular Hypertension4▲ 110×1 topic
  12. Retinal Ganglion Cells4▲ 52×1 topic
  13. Vascular Endothelial Growth Factor3▲ 65×2 topics
  14. Intravitreal Injection3▲ 71×2 topics
  15. Sustainability3▲ 1.92×5 topics
  16. Diabetic Retinopathy3▲ 45×2 topics
  17. Choroidal Thickness3▲ 78×1 topic
  18. Retinal Pigment Epithelium3▲ 78×1 topic
  19. Dry Eye Disease2▲ 125×1 topic
  20. Ocular Surface2▲ 125×1 topic
  21. Corneal Biomechanics2▲ 114×1 topic
  22. Keratoconus2▲ 114×1 topic
  23. Quality of Life2▲ 2.6×16 topics
  24. Biosensors2▲ 6.0×4 topics
  25. Treatment2▲ 2.6×14 topics
  26. Integrated Circuits2▲ 18×2 topics
  27. Myopia2▲ 47×2 topics
  28. Optical Modulators2▲ 18×1 topic
  29. Silicon Photonics2▲ 24×1 topic
  30. Clinical Practice Guidelines2▲ 4.4×11 topics
  31. Gene Therapy1▲ 11×2 topics
  32. Agroecology1▲ 15×2 topics
  33. Optical Fiber1▲ 19×2 topics
  34. Refractive Error1▲ 56×1 topic
  35. Visual Impairment1▲ 45×1 topic
  36. Optical Interconnects1▲ 50×1 topic
  37. Semiconductor Lasers1▲ 28×1 topic
  38. Coherent Detection1▲ 40×1 topic
  39. Digital Signal Processing1▲ 36×1 topic
  40. Retinal Stem Cells1▲ 74×1 topic

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

By volume in 2022–2025: Glaucoma and retinal disorders, Retinal Diseases and Treatments, Ocular Surface and Contact Lens and Corneal surgery and disorders.

Glaucoma and retinal disorders: 4 fractional worksRetinal Diseases and Treatments: 3 fractional worksOcular Surface and Conta…2Ocular Surface and Contact Lens: 2 fractional worksCorneal surgery and diso…2Corneal surgery and disorders: 2 fractional worksPhotonic and Optical Devices: 2 fractional worksOphthalmology and Visual Impairment Studies: 1 fractional worksSemiconductor Lasers and…1Semiconductor Lasers and Optical Devices: 1 fractional worksOptical Network Technologies: 1 fractional worksBioeconomy and Sustainability Development: 1 fractional worksRetinal Development and Disorders: 1 fractional works
OphthalmologyPublic Health, Environmental and Occupational HealthRadiology, Nuclear Medicine and ImagingElectrical and Electronic Engineering3 others

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

  1. 1 Glaucoma and retinal disorders Ophthalmology 4 works
  2. 2 Retinal Diseases and Treatments Ophthalmology 3 works
  3. 3 Ocular Surface and Contact Lens Public Health, Environmental and Occupational Health 2 works
  4. 4 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 2 works
  5. 5 Photonic and Optical Devices Electrical and Electronic Engineering 2 works
  6. 6 Ophthalmology and Visual Impairment Studies Epidemiology 1 works
  7. 7 Semiconductor Lasers and Optical Devices Electrical and Electronic Engineering 1 works
  8. 8 Optical Network Technologies Electrical and Electronic Engineering 1 works
  9. 9 Bioeconomy and Sustainability Development General Agricultural and Biological Sciences 1 works
  10. 10 Retinal Development and Disorders Molecular Biology 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 available37.9%not open62.1%

World: 28% of research is openly available.

with international co-authors18.7%domestic only81.3%

World: 19% is written across borders.

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

Output in 2018–2022 was 9% lower than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Osaka

All research institutions in Osaka

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.