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Hospital / health system · Kochi · Japan

Chikamori Hospital

In research, Chikamori Hospital stands highest in Medicine (#9,630 of 10,443 worldwide) and Health Sciences (#11,140 of 11,982 worldwide), 2022–2025.

chikamori.comROR OpenAlex
World rank, 2022–2025
#26,415
of 28,054 · #38,892 all time
Rank in Japan
#962
of 1,070
Research works
380
▲ 35% vs 2013–17
Citations
2.9k
7.6 per fractional work
Top-10% rate
7.2%
record average 16.5%
Open access
61%
world 28%

What is Chikamori Hospital 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 #9,630 of 10,443 7.3%71 #15650
Health SciencesDomain #11,140 of 11,982 7.3%74 #18402

Each strip is that field’s whole ranked pool, with the notch where Chikamori Hospital 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: 0.08× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.81× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 1.03× its world share, 1 worksImmunology and Micro…Neuroscience: 0.86× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.30× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.02× its world share, 0 worksChemistryEngineering: 0.21× its world share, 3 worksEngineeringMaterials Science: 0.04× its world share, 0 worksMaterials ScienceMathematics: 0.10× its world share, 0 worksMathematicsDentistry: 0.44× its world share, 0 worksDentistryHealth Professions: 0.70× its world share, 2 worksHealth ProfessionsMedicine: 4.43× its world share, 71 worksMedicineNursing: 3.12× its world share, 1 worksNursingArts and Humanities: 0.01× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.01× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.03× its world share, 0 worksEconomics, Econometr…Psychology: 0.08× its world share, 0 worksPsychologySocial Sciences: 0.02× 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, 4.4×. Every wedge is a field page.

Who are the top researchers at Chikamori Hospital?

Ranked on the composite score, Kazuya Kawai, Naohisa Hamashige and Takeshi Yoshida lead among researchers whose main affiliation is Chikamori Hospital.

  1. 1 Kazuya Kawai Japan · #799,396 worldwide 38 citations · 40 works
  2. 2 Naohisa Hamashige Japan · #1,137,566 worldwide 9 citations · 25 works
  3. 3 Takeshi Yoshida Japan · #1,268,023 worldwide 16 citations · 35 works
  4. 4 Hideki Teshima Japan · #1,275,040 worldwide 13 citations · 16 works
  5. 5 Masahiko Ikebuchi Japan · #1,347,639 worldwide 3 citations · 15 works
  6. 6 Yuki Nishimura Japan · #1,415,937 worldwide 18 citations · 31 works
  7. 7 Yuko Morimoto Japan · #1,437,407 worldwide 9 citations · 33 works
All ranked researchers at Chikamori Hospital

Which keywords describe research at Chikamori Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Diagnosis, Treatment, Guidelines, Cardiac Imaging, Myocardial Infarction, Anticoagulant Therapy, Echocardiography and Percutaneous Coronary Intervention.

▲ 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▲ 2.1×32 topics
  2. Diagnosis6▲ 8.3×18 topics
  3. Treatment6▲ 6.1×17 topics
  4. Guidelines5▲ 13×8 topics
  5. Cardiac Imaging5▲ 49×3 topics
  6. Myocardial Infarction5▲ 25×4 topics
  7. Anticoagulant Therapy4▲ 43×4 topics
  8. Inflammation4▲ 2.5×17 topics
  9. Echocardiography4▲ 19×7 topics
  10. Risk Factors4▲ 4.6×8 topics
  11. Percutaneous Coronary Intervention4▲ 37×4 topics
  12. Heart Failure4▲ 11×8 topics
  13. Neuroimaging4▲ 16×4 topics
  14. Dilated Cardiomyopathy3▲ 59×2 topics
  15. Management3▲ 5.3×16 topics
  16. Stress-Induced Cardiomyopathy3▲ 364×1 topic
  17. Surgical Management3▲ 9.4×6 topics
  18. Takotsubo Syndrome3▲ 364×1 topic
  19. Magnetic Resonance Imaging3▲ 14×2 topics
  20. Thrombosis3▲ 12×4 topics
  21. Catheter Ablation3▲ 27×2 topics
  22. Genetic Mutations3▲ 7.3×9 topics
  23. Angiogenesis2▲ 9.1×3 topics
  24. Atherosclerosis2▲ 11×4 topics
  25. Neuropathology2▲ 22×2 topics
  26. Stroke Prevention2▲ 24×2 topics
  27. Coronary Artery Disease2▲ 23×2 topics
  28. Prognosis2▲ 8.4×4 topics
  29. Rituximab2▲ 19×4 topics
  30. Cerebrospinal Fluid Leaks2▲ 49×1 topic
  31. Intracranial Hypotension2▲ 159×1 topic
  32. Computed Tomography Angiography2▲ 36×1 topic
  33. Myocardial Perfusion2▲ 36×1 topic
  34. Pathophysiology2▲ 7.9×7 topics
  35. Revascularization2▲ 16×3 topics
  36. Thiamine Deficiency2▲ 169×1 topic
  37. Wernicke-Korsakoff Syndrome2▲ 169×1 topic
  38. Prophylaxis2▲ 18×3 topics
  39. Surgical Repair2▲ 56×1 topic
  40. Ventricular Reconstruction2▲ 56×1 topic

Which research topics does Chikamori Hospital publish most on?

By volume in 2022–2025: Takotsubo Cardiomyopathy and Associated Phenomena, Neurosurgical Procedures and Complications, Alcoholism and Thiamine Deficiency and Cardiac Imaging and Diagnostics.

Takotsubo Cardiomyopathy…3Takotsubo Cardiomyopathy and Associated Phenomena: 3 fractional worksNeurosurgical Procedures…2Neurosurgical Procedures and Complications: 2 fractional worksAlcoholism and Thiamine Deficiency: 2 fractional worksCardiac Imaging and Diag…2Cardiac Imaging and Diagnostics: 2 fractional worksCardiac Structural Anoma…2Cardiac Structural Anomalies and Repair: 2 fractional worksMechanical Circulatory Support Devices: 2 fractional worksAtrial Fibrillation Management and Outcomes: 2 fractional worksCoronary Interventions a…2Coronary Interventions and Diagnostics: 2 fractional worksCardiomyopathy and Myosin Studies: 2 fractional worksCardiac tumors and thrombi: 1 fractional works
Cardiology and Cardiovascular MedicineNeurologyRadiology, Nuclear Medicine and ImagingSurgery1 others

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

  1. 1 Takotsubo Cardiomyopathy and Associated Phenomena Cardiology and Cardiovascular Medicine 3 works
  2. 2 Neurosurgical Procedures and Complications Neurology 2 works
  3. 3 Alcoholism and Thiamine Deficiency Neurology 2 works
  4. 4 Cardiac Imaging and Diagnostics Radiology, Nuclear Medicine and Imaging 2 works
  5. 5 Cardiac Structural Anomalies and Repair Surgery 2 works
  6. 6 Mechanical Circulatory Support Devices Biomedical Engineering 2 works
  7. 7 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 2 works
  8. 8 Coronary Interventions and Diagnostics Surgery 2 works
  9. 9 Cardiomyopathy and Myosin Studies Cardiology and Cardiovascular Medicine 2 works
  10. 10 Cardiac tumors and thrombi Cardiology and Cardiovascular Medicine 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 available60.9%not open39.1%

World: 28% of research is openly available.

with international co-authors5.3%domestic only94.7%

World: 19% is written across borders.

How has Chikamori Hospital's research output changed?

Output in 2018–2022 was 35% 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 Kochi

All research institutions in Kochi

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.