Science Explorer Interactive view Map
Hospital / health system · Iwata · Japan

Iwata City Hospital

In research, Iwata City Hospital stands highest in Medicine (#9,980 of 10,443 worldwide) and Health Sciences (#11,600 of 11,982 worldwide), 2022–2025.

hospital.iwata.shizuoka.jpROR OpenAlex
World rank, 2022–2025
#27,530
of 28,054 · #38,837 all time
Rank in Japan
#1,052
of 1,070
Research works
361
▲ 34% vs 2013–17
Citations
3.4k
9.5 per fractional work
Top-10% rate
5.6%
record average 16.5%
Open access
59%
world 28%

What is Iwata City 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 #9,980 of 10,443 5.3%72 #15237
Health SciencesDomain #11,600 of 11,982 5.7%73 #18200

Each strip is that field’s whole ranked pool, with the notch where Iwata City 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: 0.06× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.14× its world share, 5 worksBiochemistry, Geneti…Immunology and Microbiology: 0.98× its world share, 1 worksImmunology and Micro…Pharmacology, Toxicology and Pharmaceutics: 0.77× its world share, 0 worksPharmacology, Toxico…Engineering: 0.10× its world share, 1 worksEngineeringEnvironmental Science: 0.11× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.13× its world share, 0 worksMaterials ScienceMathematics: 0.17× its world share, 0 worksMathematicsPhysics and Astronomy: 0.38× its world share, 1 worksPhysics and AstronomyDentistry: 0.69× its world share, 0 worksDentistryHealth Professions: 0.22× its world share, 0 worksHealth ProfessionsMedicine: 4.49× its world share, 72 worksMedicineNursing: 2.18× its world share, 1 worksNursingPsychology: 0.14× its world share, 0 worksPsychology1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 4.5×. Every wedge is a field page.

Who are the top researchers at Iwata City Hospital?

Ranked on the composite score, Isamu Ishiwata, Hideto Ochiai and Shu Yoshihara lead among researchers whose main affiliation is Iwata City Hospital.

  1. 1 Isamu Ishiwata Japan · #827,706 worldwide 32 citations · 26 works
  2. 2 Hideto Ochiai Japan · #1,142,001 worldwide 9 citations · 15 works
  3. 3 Shu Yoshihara Japan · #1,264,565 worldwide 21 citations · 15 works
  4. 4 Masaki Matsunaga Japan · #1,352,921 worldwide 37 citations · 22 works
All ranked researchers at Iwata City Hospital

Which keywords describe research at Iwata City Hospital?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Treatment, Diagnosis, Epidemiology, Surgical Management, Cholangiocarcinoma, Chemotherapy, Cholecystitis and ERCP.

▲ 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. Epidemiology11▲ 3.4×40 topics
  2. Treatment8▲ 8.3×26 topics
  3. Diagnosis8▲ 10×22 topics
  4. Inflammation4▲ 2.5×23 topics
  5. Surgical Management4▲ 12×8 topics
  6. Cholangiocarcinoma4▲ 59×2 topics
  7. Chemotherapy4▲ 6.5×12 topics
  8. Management4▲ 5.7×17 topics
  9. Cholecystitis3▲ 96×1 topic
  10. ERCP3▲ 96×1 topic
  11. Immunotherapy3▲ 5.5×9 topics
  12. Guidelines3▲ 6.9×8 topics
  13. Myocardial Infarction2▲ 12×3 topics
  14. Echocardiography2▲ 10×6 topics
  15. Magnetic Resonance Imaging2▲ 11×5 topics
  16. Neoadjuvant Therapy2▲ 12×5 topics
  17. Clinical Practice Guidelines2▲ 4.9×11 topics
  18. Genetic Mutations2▲ 6.0×7 topics
  19. Prognostic Factors2▲ 6.2×8 topics
  20. Tumor Microenvironment2▲ 6.0×3 topics
  21. Pancreatic Cancer2▲ 23×2 topics
  22. Surgery2▲ 6.8×6 topics
  23. Cardiac Imaging2▲ 19×3 topics
  24. Interstitial Lung Disease2▲ 37×2 topics
  25. Rituximab2▲ 15×4 topics
  26. Congenital2▲ 134×1 topic
  27. Coronary Artery Anomalies2▲ 134×1 topic
  28. Gemcitabine2▲ 30×1 topic
  29. Nutritional Support2▲ 23×3 topics
  30. Surgical Complications2▲ 27×1 topic
  31. Autoantibodies2▲ 8.7×6 topics
  32. Cancer Risk2▲ 8.6×5 topics
  33. Etiology2▲ 31×3 topics
  34. Fibrosis2▲ 11×2 topics
  35. Pathophysiology2▲ 6.5×4 topics
  36. Radiation Exposure2▲ 19×2 topics
  37. Revascularization2▲ 12×3 topics
  38. CT Diagnosis2▲ 64×2 topics
  39. Coronary Artery Disease2▲ 16×2 topics
  40. Prophylaxis2▲ 14×2 topics

Which research topics does Iwata City Hospital publish most on?

By volume in 2022–2025: Gallbladder and Bile Duct Disorders, Pancreatic and Hepatic Oncology Research, Coronary Artery Anomalies and Pancreatitis Pathology and Treatment.

Gallbladder and Bile Duc…3Gallbladder and Bile Duct Disorders: 3 fractional worksPancreatic and Hepatic Oncology Research: 2 fractional worksCoronary Artery Anomalies: 2 fractional worksPancreatitis Pathology and Treatment: 2 fractional worksEsophageal and GI Pathology: 2 fractional worksMedical Imaging and Pathology Studies: 1 fractional worksInterstitial Lung Diseas…1Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis: 1 fractional worksPediatric Hepatobiliary Diseases and Treatments: 1 fractional worksCardiac Imaging and Diagnostics: 1 fractional worksAbdominal vascular condi…1Abdominal vascular conditions and treatments: 1 fractional works
Pulmonary and Respiratory MedicineOncologySurgeryRadiology, Nuclear Medicine and Imaging

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

  1. 1 Gallbladder and Bile Duct Disorders Pulmonary and Respiratory Medicine 3 works
  2. 2 Pancreatic and Hepatic Oncology Research Oncology 2 works
  3. 3 Coronary Artery Anomalies Pulmonary and Respiratory Medicine 2 works
  4. 4 Pancreatitis Pathology and Treatment Surgery 2 works
  5. 5 Esophageal and GI Pathology Surgery 2 works
  6. 6 Medical Imaging and Pathology Studies Pulmonary and Respiratory Medicine 1 works
  7. 7 Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis Pulmonary and Respiratory Medicine 1 works
  8. 8 Pediatric Hepatobiliary Diseases and Treatments Surgery 1 works
  9. 9 Cardiac Imaging and Diagnostics Radiology, Nuclear Medicine and Imaging 1 works
  10. 10 Abdominal vascular conditions and treatments Surgery 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 available58.6%not open41.4%

World: 28% of research is openly available.

with international co-authors5.8%domestic only94.2%

World: 19% is written across borders.

How has Iwata City Hospital's research output changed?

Output in 2018–2022 was 34% 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 Iwata

All research institutions in Iwata

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.