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Hospital / health system · Okayama · Japan

Okayama Medical Center

In research, Okayama Medical Center stands highest in Medicine (#5,963 of 10,443 worldwide) and Health Sciences (#7,752 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Pulmonary and Respiratory Medicine — Pulmonary and Respiratory Medicine is 16.7× its share of world research.

okayamamc.jp/index.phpROR OpenAlex
World rank, 2022–2025
#20,991
of 28,054 · #25,119 all time
Rank in Japan
#617
of 1,070
Research works
787
▲ 45% vs 2013–17
Citations
8.8k
11.1 per fractional work
Top-10% rate
6.0%
record average 16.5%
Open access
52%
world 28%

What is Okayama Medical Center known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
MedicineField #5,963 of 10,443 5.2%123 #6337
Health SciencesDomain #7,752 of 11,982 5.2%126 #8498

Each strip is that field’s whole ranked pool, with the notch where Okayama Medical Center 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).

What does Okayama Medical Center specialise in?

Where its research is concentrated relative to its size: Pulmonary and Respiratory Medicine takes 16.7× the share of its output that it takes of world research.

  1. Pulmonary and Respiratory MedicineSubfield · 35.7 works17×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.01× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.71× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 0.83× its world share, 1 worksImmunology and Micro…Neuroscience: 0.58× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.27× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.15× its world share, 0 worksChemistryEngineering: 0.07× its world share, 2 worksEngineeringEnvironmental Science: 0.10× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.03× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.15× its world share, 0 worksPhysics and AstronomyDentistry: 0.50× its world share, 0 worksDentistryHealth Professions: 0.44× its world share, 2 worksHealth ProfessionsMedicine: 4.61× its world share, 123 worksMedicineNursing: 0.61× its world share, 0 worksNursingVeterinary: 3.70× its world share, 1 worksVeterinaryBusiness, Management and Accounting: 0.04× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.04× its world share, 0 worksEconomics, Econometr…Psychology: 0.20× its world share, 1 worksPsychologySocial Sciences: 0.03× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.6×. Every wedge is a field page.

Who are the top researchers at Okayama Medical Center?

Ranked on the composite score, Hiromi Matsubara, Masaji Seki and Aiko Ogawa lead among researchers whose main affiliation is Okayama Medical Center.

  1. 1 Hiromi Matsubara Japan · #211,187 worldwide 121 citations · 63 works
  2. 2 Masaji Seki Japan · #419,929 worldwide 55 citations · 25 works
  3. 3 Aiko Ogawa Japan · #487,073 worldwide 54 citations · 40 works
  4. 4 Sauvage Lr Japan · #528,518 worldwide 47 citations · 18 works
  5. 5 Makoto Takeuchi Japan · #583,477 worldwide 77 citations · 37 works
  6. 6 T Sezaki Japan · #634,901 worldwide 20 citations · 18 works
  7. 7 Ryo Soda Japan · #660,224 worldwide 9 citations · 18 works
  8. 8 Akihito Takeuchi Japan · #754,822 worldwide 17 citations · 19 works
  9. 9 Kazutaka Sunami Japan · #803,677 worldwide 54 citations · 31 works
  10. 10 Hiroto Shimokawahara Japan · #823,054 worldwide 12 citations · 20 works
All ranked researchers at Okayama Medical Center

Which keywords describe research at Okayama Medical Center?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Treatment Guidelines, Echocardiography, Pulmonary Hypertension, Endothelial Dysfunction, Chronic Kidney Disease, Right Heart Assessment, Survival Prediction and Diagnosis.

▲ 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. Treatment Guidelines14▲ 46×4 topics
  2. Echocardiography13▲ 35×6 topics
  3. Epidemiology13▲ 2.4×52 topics
  4. Pulmonary Hypertension13▲ 65×3 topics
  5. Endothelial Dysfunction12▲ 36×5 topics
  6. Chronic Kidney Disease11▲ 34×6 topics
  7. Right Heart Assessment11▲ 195×1 topic
  8. Survival Prediction11▲ 195×1 topic
  9. Diagnosis9▲ 6.8×23 topics
  10. Treatment8▲ 4.6×22 topics
  11. Chemotherapy6▲ 6.6×16 topics
  12. Management6▲ 5.7×17 topics
  13. Immunotherapy6▲ 6.2×15 topics
  14. Genetics5▲ 5.5×7 topics
  15. Mechanical Ventilation5▲ 34×2 topics
  16. Tissue Engineering5▲ 6.0×2 topics
  17. Airway Stenosis5▲ 64×1 topic
  18. Tracheostomy5▲ 64×1 topic
  19. Prognostic Factors5▲ 7.5×14 topics
  20. Radiotherapy5▲ 8.5×7 topics
  21. Genetic Mutations4▲ 7.3×16 topics
  22. Complications4▲ 6.1×13 topics
  23. Fibrosis4▲ 15×6 topics
  24. Interstitial Lung Disease4▲ 45×2 topics
  25. TGF-ß4▲ 18×4 topics
  26. Surgery4▲ 7.7×8 topics
  27. Epithelial-Mesenchymal Transition4▲ 28×2 topics
  28. Surgical Management4▲ 6.2×15 topics
  29. Heart Failure4▲ 5.8×9 topics
  30. Idiopathic Pulmonary Fibrosis4▲ 55×1 topic
  31. Myofibroblast4▲ 55×1 topic
  32. Tumor Microenvironment4▲ 5.7×7 topics
  33. Adjuvant Therapy3▲ 17×2 topics
  34. Pulmonary Alveolar Microlithiasis3▲ 82×1 topic
  35. Pulmonary Sclerosing Hemangioma3▲ 82×1 topic
  36. PET Imaging3▲ 12×4 topics
  37. Targeted Therapy3▲ 9.0×5 topics
  38. Tumor Staging3▲ 18×2 topics
  39. Embolization3▲ 29×4 topics
  40. Genomic Profiling3▲ 19×2 topics

Which research topics does Okayama Medical Center publish most on?

By volume in 2022–2025: Pulmonary Hypertension Research and Treatments, Tracheal and airway disorders, Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis and Medical Imaging and Pathology Studies.

Pulmonary Hypertension R…11Pulmonary Hypertension Research and Treatments: 11 fractional worksTracheal and airway diso…5Tracheal and airway disorders: 5 fractional worksInterstitial Lung Diseas…4Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis: 4 fractional worksMedical Imaging and Path…3Medical Imaging and Pathology Studies: 3 fractional worksLung Cancer Diagnosis an…3Lung Cancer Diagnosis and Treatment: 3 fractional worksVascular Anomalies and T…2Vascular Anomalies and Treatments: 2 fractional worksEsophageal and GI Pathology: 2 fractional worksLung Cancer Treatments and Mutations: 2 fractional worksNeonatal Respiratory Health Research: 2 fractional worksVenous Thromboembolism Diagnosis and Management: 2 fractional works
Pulmonary and Respiratory MedicineGeneticsSurgeryInternal Medicine

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

  1. 1 Pulmonary Hypertension Research and Treatments Pulmonary and Respiratory Medicine 11 works
  2. 2 Tracheal and airway disorders Pulmonary and Respiratory Medicine 5 works
  3. 3 Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis Pulmonary and Respiratory Medicine 4 works
  4. 4 Medical Imaging and Pathology Studies Pulmonary and Respiratory Medicine 3 works
  5. 5 Lung Cancer Diagnosis and Treatment Pulmonary and Respiratory Medicine 3 works
  6. 6 Vascular Anomalies and Treatments Genetics 2 works
  7. 7 Esophageal and GI Pathology Surgery 2 works
  8. 8 Lung Cancer Treatments and Mutations Pulmonary and Respiratory Medicine 2 works
  9. 9 Neonatal Respiratory Health Research Pulmonary and Respiratory Medicine 2 works
  10. 10 Venous Thromboembolism Diagnosis and Management Internal Medicine 2 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 available51.9%not open48.1%

World: 28% of research is openly available.

with international co-authors6.4%domestic only93.6%

World: 19% is written across borders.

How has Okayama Medical Center's research output changed?

Output in 2018–2022 was 45% higher 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 Okayama

All research institutions in Okayama

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.