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Hospital / health system · Saitama · Japan

Saitama International Medical Center

In research, Saitama International Medical Center stands highest in Medicine (#5,765 of 10,443 worldwide) and Health Sciences (#7,527 of 11,982 worldwide), 2022–2025. Relative to its size it is most specialised in Pulmonary and Respiratory Medicine and Oncology — Pulmonary and Respiratory Medicine is 8.5× its share of world research.

saitama-med.ac.jp/kokusaiROR OpenAlex
World rank, 2022–2025
#16,036
of 28,054 · #9,658 all time
Rank in Japan
#430
of 1,070
Research works
2k
▲ 21% vs 2013–17
Citations
42k
20.8 per fractional work
Top-10% rate
8.5%
record average 16.5%
Open access
46%
world 28%

What is Saitama International 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 #5,765 of 10,443 8.2%198 #4338
Health SciencesDomain #7,527 of 11,982 8.2%206 #5797

Each strip is that field’s whole ranked pool, with the notch where Saitama International 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 Saitama International Medical Center specialise in?

Where its research is concentrated relative to its size: Pulmonary and Respiratory Medicine takes 8.5× the share of its output that it takes of world research.

  1. Pulmonary and Respiratory MedicineSubfield · 33.4 works8.5×
  2. OncologySubfield · 24.1 works8.4×
← 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: 0.11× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.46× its world share, 20 worksBiochemistry, Geneti…Immunology and Microbiology: 2.31× its world share, 6 worksImmunology and Micro…Neuroscience: 0.66× its world share, 3 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.84× its world share, 2 worksPharmacology, Toxico…Chemistry: 0.13× its world share, 0 worksChemistryComputer Science: 0.04× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.02× its world share, 0 worksEarth and Planetary …Energy: 0.05× its world share, 0 worksEnergyEngineering: 0.10× its world share, 4 worksEngineeringEnvironmental Science: 0.03× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.13× its world share, 1 worksMaterials ScienceMathematics: 0.13× its world share, 0 worksMathematicsPhysics and Astronomy: 0.31× its world share, 2 worksPhysics and AstronomyDentistry: 0.90× its world share, 1 worksDentistryHealth Professions: 0.89× its world share, 6 worksHealth ProfessionsMedicine: 4.05× its world share, 198 worksMedicineNursing: 0.58× its world share, 1 worksNursingVeterinary: 0.18× its world share, 0 worksVeterinaryArts and Humanities: 0.05× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.02× its world share, 0 worksBusiness, Management…Decision Sciences: 0.07× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.12× its world share, 1 worksEconomics, Econometr…Psychology: 0.41× its world share, 3 worksPsychologySocial Sciences: 0.11× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.0×. Every wedge is a field page.

Who are the top researchers at Saitama International Medical Center?

Ranked on the composite score, Haruo Nishimura, Koichiro Kudo and William Dunbar lead among researchers whose main affiliation is Saitama International Medical Center.

  1. 1 Haruo Nishimura Japan · #272,197 worldwide 188 citations · 17 works
  2. 2 Koichiro Kudo Japan · #460,641 worldwide 78 citations · 37 works
  3. 3 William Dunbar Japan · #642,504 worldwide 8 citations · 54 works
  4. 4 Rie Yamamoto Japan · #789,425 worldwide 50 citations · 29 works
  5. 5 Akiyoshi Miwa Japan · #826,440 worldwide 67 citations · 29 works
  6. 6 Akira Yuo Japan · #856,555 worldwide 63 citations · 26 works
  7. 7 Atsushi Togawa Japan · #1,084,639 worldwide 27 citations · 30 works
  8. 8 Katsutoshi Saruta Japan · #1,150,235 worldwide 11 citations · 15 works
  9. 9 Tomoko Fujino Japan · #1,160,426 worldwide 29 citations · 36 works
  10. 10 Nobuyuki Kobayashi Japan · #1,186,974 worldwide 12 citations · 18 works
All ranked researchers at Saitama International Medical Center

Which keywords describe research at Saitama International Medical Center?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Chemotherapy, Clinical Practice Guidelines, Immunotherapy, Prognostic Factors, Survival Analysis, Epidemiology, Radiotherapy and Metastasis.

▲ 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. Chemotherapy25▲ 14×22 topics
  2. Epidemiology23▲ 2.2×74 topics
  3. Clinical Practice Guidelines16▲ 12×14 topics
  4. Immunotherapy14▲ 7.8×17 topics
  5. Prognostic Factors13▲ 12×14 topics
  6. Survival Analysis12▲ 18×6 topics
  7. Radiotherapy12▲ 12×12 topics
  8. Metastasis11▲ 12×9 topics
  9. Treatment11▲ 3.5×31 topics
  10. Inflammation10▲ 1.95×44 topics
  11. Tumor Microenvironment10▲ 9.2×7 topics
  12. Diagnosis9▲ 3.7×28 topics
  13. Clinical Trials9▲ 5.0×8 topics
  14. Surgical Management9▲ 8.2×19 topics
  15. Neoadjuvant Therapy8▲ 14×5 topics
  16. Guidelines8▲ 7.1×12 topics
  17. Cancer8▲ 2.4×32 topics
  18. Molecular Characterization8▲ 17×4 topics
  19. Genetic Mutations8▲ 7.0×16 topics
  20. Endoscopic Resection7▲ 27×2 topics
  21. Adjuvant Therapy6▲ 20×2 topics
  22. Biomarkers6▲ 3.7×9 topics
  23. Echocardiography6▲ 9.1×8 topics
  24. Catheter Ablation6▲ 20×2 topics
  25. Molecular Classification6▲ 15×4 topics
  26. Breast Cancer6▲ 9.3×8 topics
  27. Gastric Cancer6▲ 19×3 topics
  28. Targeted Therapy6▲ 9.8×5 topics
  29. Robotic Surgery5▲ 14×5 topics
  30. Arrhythmias5▲ 21×2 topics
  31. Clinical Management5▲ 11×7 topics
  32. Genomic Analysis5▲ 7.6×6 topics
  33. Immune Checkpoint Blockade5▲ 17×1 topic
  34. PD-1 and PD-L15▲ 17×1 topic
  35. Lymph Node Dissection5▲ 31×1 topic
  36. Metastatic Gastric Cancer5▲ 31×1 topic
  37. Neoadjuvant Chemotherapy5▲ 22×2 topics
  38. Prognostic Markers4▲ 16×3 topics
  39. Squamous Cell Carcinoma4▲ 19×3 topics
  40. Radiofrequency Ablation4▲ 16×2 topics

Which research topics does Saitama International Medical Center publish most on?

By volume in 2022–2025: Cancer Immunotherapy and Biomarkers, Gastric Cancer Management and Outcomes, Gallbladder and Bile Duct Disorders and Cardiac Arrhythmias and Treatments.

Cancer Immunotherapy and…5Cancer Immunotherapy and Biomarkers: 5 fractional worksGastric Cancer Managemen…5Gastric Cancer Management and Outcomes: 5 fractional worksGallbladder and Bile Duc…4Gallbladder and Bile Duct Disorders: 4 fractional worksCardiac Arrhythmias and …4Cardiac Arrhythmias and Treatments: 4 fractional worksOvarian cancer diagnosis and treatment: 3 fractional worksAtrial Fibrillation Management and Outcomes: 3 fractional worksGastrointestinal Tumor R…2Gastrointestinal Tumor Research and Treatment: 2 fractional worksEsophageal and GI Pathology: 2 fractional worksEndometrial and Cervical Cancer Treatments: 2 fractional worksHead and Neck Cancer Stu…2Head and Neck Cancer Studies: 2 fractional works
OncologyPulmonary and Respiratory MedicineCardiology and Cardiovascular MedicineReproductive Medicine4 others

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

  1. 1 Cancer Immunotherapy and Biomarkers Oncology 5 works
  2. 2 Gastric Cancer Management and Outcomes Pulmonary and Respiratory Medicine 5 works
  3. 3 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 4 works
  4. 4 Cardiac Arrhythmias and Treatments Cardiology and Cardiovascular Medicine 4 works
  5. 5 Ovarian cancer diagnosis and treatment Reproductive Medicine 3 works
  6. 6 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 3 works
  7. 7 Gastrointestinal Tumor Research and Treatment Gastroenterology 2 works
  8. 8 Esophageal and GI Pathology Surgery 2 works
  9. 9 Endometrial and Cervical Cancer Treatments Obstetrics and Gynecology 2 works
  10. 10 Head and Neck Cancer Studies Otorhinolaryngology 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 available45.6%not open54.4%

World: 28% of research is openly available.

with international co-authors14.2%domestic only85.8%

World: 19% is written across borders.

How has Saitama International Medical Center's research output changed?

Output in 2018–2022 was 21% 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 Saitama

All research institutions in Saitama

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.