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Hospital / health system · Muroran · Japan

Nikko Memorial Hospital

In research, Nikko Memorial Hospital stands highest in Medicine (#11,598 of 14,558 worldwide) and Health Sciences (#13,682 of 16,688 worldwide), over all time.

nikko-kinen.or.jp/english/index-2.htmlROR OpenAlex
World rank, all time
#28,762
of 34,923
Rank in Japan
#1,213
of 1,923
Research works
217
▼ 4% vs 2018-21
Citations
1.6k
7.5 per fractional work
Top-10% rate
2.5%
all institutions 10.0%
vs its own fields
0.81×
1.00× is exactly expected
Open access
32%
world 40%
International
8%
world 18%
Nikko Memorial Hospital

What is Nikko Memorial Hospital 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 #11,598 of 14,558 2.3%139
Health SciencesDomain #13,682 of 16,688 2.2%144

Each strip is that field's whole ranked pool, with the notch where Nikko Memorial 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Nikko Memorial Hospital work in?

In all years, 67% of research at Nikko Memorial Hospital is in Health Sciences, 21% in Physical Sciences. Its largest fields are Medicine (64%), Engineering (11%), Biochemistry, Genetics and Molecular Biology (4%). It does 2.8× the world's share of Health Sciences.

Health Sciences: 144 fractional works · 66.6% of its workMedicine: 139 fractional works · 64.0% of its workSurgery: 31 fractional works · 14.3% of its workPulmonary and Respiratory Medicine: 24 fractional works · 11.3% of its workEpidemiology: 10 fractional works · 4.8% of its workOncology: 9 fractional works · 4.0% of its workHepatology: 6 fractional works · 2.6% of its workRadiology, Nuclear Medicine and Imaging: 5 fractional works · 2.3% of its workNeurology: 5 fractional works · 2.3% of its workCardiology and Cardiovascular Medicine: 4 fractional works · 1.8% of its workPublic Health, Environmental and Occupational Health: 4 fractional works · 1.7% of its workPathology and Forensic Medicine: 3 fractional works · 1.5% of its workOphthalmology: 3 fractional works · 1.4% of its workRheumatology: 3 fractional works · 1.3% of its workNephrology: 3 fractional works · 1.3% of its workEndocrinology, Diabetes and Metabolism: 3 fractional works · 1.3% of its workGastroenterology: 2 fractional works · 1.1% of its workObstetrics and Gynecology: 2 fractional works · 1.0% of its workPediatrics, Perinatology and Child Health: 2 fractional works · 1.0% of its workPhysiology: 2 fractional works · 1.0% of its workReproductive Medicine: 2 fractional works · 0.9% of its workAnesthesiology and Pain Medicine: 2 fractional works · 0.9% of its workEmergency Medicine: 2 fractional works · 0.8% of its workPsychiatry and Mental health: 2 fractional works · 0.7% of its workPharmacology: 1 fractional works · 0.6% of its workOtorhinolaryngology: 1 fractional works · 0.6% of its workDermatology: 1 fractional works · 0.5% of its workInfectious Diseases: 1 fractional works · 0.5% of its workHematology: 1 fractional works · 0.5% of its workUrology: 1 fractional works · 0.5% of its workGenetics: 1 fractional works · 0.4% of its workRehabilitation: 1 fractional works · 0.4% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workHealth Professions: 2 fractional works · 1.1% of its workEmergency Medical Services: 1 fractional works · 0.6% of its workGeneral Health Professions: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.3% of its workNursing: 2 fractional works · 0.9% of its workNutrition and Dietetics: 2 fractional works · 0.9% of its workDentistry: 1 fractional works · 0.5% of its workOral Surgery: 1 fractional works · 0.5% of its workVeterinary: 0 fractional works · 0.1% of its workPhysical Sciences: 45 fractional works · 20.8% of its workEngineering: 24 fractional works · 11.3% of its workElectrical and Electronic Engineering: 12 fractional works · 5.6% of its workMechanical Engineering: 5 fractional works · 2.2% of its workAerospace Engineering: 2 fractional works · 1.0% of its workMechanics of Materials: 2 fractional works · 0.8% of its workBiomedical Engineering: 1 fractional works · 0.5% of its workControl and Systems Engineering: 1 fractional works · 0.4% of its workCivil and Structural Engineering: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.6% of its workMaterials Science: 6 fractional works · 2.8% of its workMaterials Chemistry: 3 fractional works · 1.3% of its workElectronic, Optical and Magnetic Materials: 1 fractional works · 0.5% of its workSurfaces, Coatings and Films: 1 fractional works · 0.3% of its workCeramics and Composites: 0 fractional works · 0.2% of its workMetals and Alloys: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEnvironmental Science: 5 fractional works · 2.4% of its workEnvironmental Engineering: 2 fractional works · 1.1% of its workPollution: 1 fractional works · 0.4% of its workEcology: 1 fractional works · 0.3% of its workWater Science and Technology: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workPhysics and Astronomy: 5 fractional works · 2.1% of its workAtomic and Molecular Physics, and Optics: 4 fractional works · 1.8% of its workSmaller subfields together: 1 fractional works · 0.3% of its workComputer Science: 3 fractional works · 1.4% of its workArtificial Intelligence: 2 fractional works · 0.8% of its workSmaller subfields together: 1 fractional works · 0.6% of its workChemistry: 1 fractional works · 0.4% of its workOrganic Chemistry: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 1 fractional works · 0.4% of its workEnergy: 0 fractional works · 0.2% of its workLife Sciences: 14 fractional works · 6.7% of its workBiochemistry, Genetics and Molecular Biology: 8 fractional works · 3.9% of its workMolecular Biology: 3 fractional works · 1.5% of its workCancer Research: 2 fractional works · 0.9% of its workGenetics: 1 fractional works · 0.5% of its workBiotechnology: 1 fractional works · 0.5% of its workBiochemistry: 1 fractional works · 0.2% of its workMolecular Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 2 fractional works · 1.1% of its workCellular and Molecular Neuroscience: 1 fractional works · 0.4% of its workNeurology: 1 fractional works · 0.3% of its workDevelopmental Neuroscience: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.0% of its workImmunology and Microbiology: 2 fractional works · 0.8% of its workImmunology: 1 fractional works · 0.5% of its workSmaller subfields together: 1 fractional works · 0.3% of its workAgricultural and Biological Sciences: 1 fractional works · 0.6% of its workPlant Science: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPharmacology, Toxicology and Pharmaceutics: 1 fractional works · 0.3% of its workPharmacology: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 13 fractional works · 5.8% of its workSocial Sciences: 5 fractional works · 2.3% of its workPolitical Science and International Relations: 2 fractional works · 0.9% of its workPublic Administration: 1 fractional works · 0.5% of its workCultural Studies: 0 fractional works · 0.2% of its workDevelopment: 0 fractional works · 0.2% of its workSociology and Political Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 4 fractional works · 1.7% of its workEconomics and Econometrics: 2 fractional works · 0.9% of its workFinance: 2 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 3 fractional works · 1.2% of its workStrategy and Management: 1 fractional works · 0.4% of its workAccounting: 1 fractional works · 0.3% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workDecision Sciences: 1 fractional works · 0.4% of its workManagement Science and Operations Research: 1 fractional works · 0.4% of its workArts and Humanities: 0 fractional works · 0.2% of its workPsychology: 0 fractional works · 0.1% of its workALL ITS WORKNikko MemorialHospital217fractional works, all years
Life Sciences7%Physical Sciences21%Health Sciences67%Social Sciences6%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 25 fields, with their numbers
    1. Medicine13964.0%
    2. Health Professions21.1%
    3. Nursing20.9%
    4. Dentistry10.5%
    5. Veterinary00.1%
    1. Engineering2411.3%
    2. Materials Science62.8%
    3. Environmental Science52.4%
    4. Physics and Astronomy52.1%
    5. Computer Science31.4%
    6. Chemistry10.4%
    7. Earth and Planetary Sciences10.4%
    8. Energy00.2%
    9. Mathematics00.0%
    1. Biochemistry, Genetics and Molecular Biology83.9%
    2. Neuroscience21.1%
    3. Immunology and Microbiology20.8%
    4. Agricultural and Biological Sciences10.6%
    5. Pharmacology, Toxicology and Pharmaceutics10.3%
    1. Social Sciences52.3%
    2. Economics, Econometrics and Finance41.7%
    3. Business, Management and Accounting31.2%
    4. Decision Sciences10.4%
    5. Arts and Humanities00.2%
    6. Psychology00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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.

Biochemistry, Genetics and Molecular Biology: 1.42× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 2.80× its world share, 0 worksImmunology and Micro…Neuroscience: 0.28× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.54× its world share, 0 worksPharmacology, Toxico…Chemistry: 1.90× its world share, 1 worksChemistryComputer Science: 0.12× its world share, 0 worksComputer ScienceEngineering: 0.42× its world share, 1 worksEngineeringEnvironmental Science: 0.77× its world share, 1 worksEnvironmental ScienceMaterials Science: 1.37× its world share, 1 worksMaterials ScienceMathematics: 0.08× its world share, 0 worksMathematicsDentistry: 0.23× its world share, 0 worksDentistryHealth Professions: 0.57× its world share, 0 worksHealth ProfessionsMedicine: 3.24× its world share, 12 worksMedicineNursing: 2.74× its world share, 0 worksNursingArts and Humanities: 0.31× its world share, 0 worksArts and HumanitiesDecision Sciences: 1.85× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.42× its world share, 0 worksEconomics, Econometr…Psychology: 0.22× its world share, 0 worksPsychology1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 3.2×. Every wedge is a field page.

All 18 fields, with their numbers
  1. Medicine3.24×12 works
  2. Immunology and Microbiology2.80×0 works
  3. Nursing2.74×0 works
  4. Pharmacology, Toxicology and Pharmaceutics2.54×0 works
  5. Chemistry1.90×1 works
  6. Decision Sciences1.85×0 works
  7. Biochemistry, Genetics and Molecular Biology1.42×1 works
  8. Materials Science1.37×1 works
  9. Environmental Science0.77×1 works
  10. Health Professions0.57×0 works
  11. Engineering0.42×1 works
  12. Economics, Econometrics and Finance0.42×0 works
  13. Arts and Humanities0.31×0 works
  14. Neuroscience0.28×0 works
  15. Dentistry0.23×0 works
  16. Psychology0.22×0 works
  17. Computer Science0.12×0 works
  18. Mathematics0.08×0 works

Who are the top researchers at Nikko Memorial Hospital?

Ranked on the quality score, Noritomo Itami, Joji Takada and Kazumasa Tsunoda lead among researchers whose main affiliation is Nikko Memorial Hospital.

  1. 1 Noritomo Itami Japan · #462,671 worldwide 2.7k citations · 72 works
  2. 2 Joji Takada Japan · #3,546,008 worldwide 152 citations · 21 works
  3. 3 Kazumasa Tsunoda Japan · #3,919,295 worldwide 206 citations · 23 works
  4. 4 Masaya Kina Japan · #4,574,105 worldwide 64 citations · 15 works
  5. 5 Yasutsugu Koga Japan · #4,665,581 worldwide 211 citations · 21 works
  6. 6 A Yanagiya Japan · #4,829,102 worldwide 15 citations · 26 works
  7. 7 Yasushige Tsuji Japan · #4,947,894 worldwide 47 citations · 20 works
  8. 8 Yoshio Katsuki Japan · #5,521,774 worldwide 251 citations · 32 works
All ranked researchers at Nikko Memorial Hospital

What are the most cited papers from Nikko Memorial Hospital?

The most cited paper from Nikko Memorial Hospital is "Transfusion‐transmitted hepatitis E caused by apparently indigenous hepatitis E virus strain in Hokkaido, Japan" (Keiji Matsubayashi, Yasuhiro Nagaoka, Hidekatsu Sakata et al., 2004), with 310 citations. Next come "Indium Lung Disease" (127) and "Exposure to hardly soluble indium compounds in ITO production and recycling plants is a new risk for interstitial lung damage" (127).

Most cited papers
#PaperReleasedCitations
1 Transfusion‐transmitted hepatitis E caused by apparently indigenous hepatitis E virus strain in Hokkaido, Japan Keiji Matsubayashi, Yasuhiro Nagaoka, Hidekatsu Sakata et al. · Transfusion 24 May 2004 310
2 Indium Lung Disease Kristin J. Cummings, Makiko Nakano, Kazuyuki Omae et al. · CHEST Journal Open access 29 Dec 2011 127
3 Exposure to hardly soluble indium compounds in ITO production and recycling plants is a new risk for interstitial lung damage Tsutahiro Hamaguchi, Kenji Omae, Toru Takebayashi et al. · Occupational and Environmental Medicine 11 Jul 2007 127
4 Interstitial pulmonary disorders in indium-processing workers Tatsuya Chonan, Osamu Taguchi, Kenji Omae · European Respiratory Journal Open access 18 Oct 2006 126
5 Effect of duloxetine in Japanese patients with chemotherapy-induced peripheral neuropathy: a pilot randomized trial Yasuo Hirayama, Kunihiko Ishitani, Yasushi Sato et al. · International Journal of Clinical Oncology 11 Mar 2015 119
All 61 most cited papers, with filters and sorting

Which keywords describe research at Nikko Memorial Hospital?

By fractional works in all years, weighted toward what it does more of than the world: Clinical Practice Guidelines, Chemotherapy, Surgical Management, Management, Treatment, Diagnosis, Epidemiology and Prognostic Factors.

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

Size is fractional works in all years 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. Epidemiology17▲ 1.99×52 topics
  2. Treatment13▲ 4.5×18 topics
  3. Diagnosis11▲ 5.2×19 topics
  4. Chemotherapy11▲ 7.0×17 topics
  5. Management11▲ 6.4×20 topics
  6. Clinical Practice Guidelines11▲ 8.8×9 topics
  7. Surgical Management10▲ 10×16 topics
  8. Prognostic Factors8▲ 8.1×12 topics
  9. Immunotherapy7▲ 4.7×15 topics
  10. Complications6▲ 5.7×11 topics
  11. Survival6▲ 21×2 topics
  12. Hepatocellular Carcinoma6▲ 12×3 topics
  13. Molecular Characterization6▲ 14×5 topics
  14. Liver Cancer5▲ 47×1 topic
  15. Radiofrequency Ablation5▲ 22×2 topics
  16. Sorafenib5▲ 47×1 topic
  17. Survival Analysis5▲ 8.8×5 topics
  18. Genetic Susceptibility5▲ 24×4 topics
  19. Genetic Mutations5▲ 4.3×13 topics
  20. Metastasis5▲ 6.5×6 topics
  21. Molecular Profiling5▲ 19×3 topics
  22. Immunohistochemistry5▲ 23×4 topics
  23. Cancer Incidence4▲ 14×4 topics
  24. Photovoltaics4▲ 7.7×4 topics
  25. Imaging4▲ 5.2×5 topics
  26. Rare Earth Elements4▲ 14×2 topics
  27. Clinical Characteristics4▲ 26×2 topics
  28. Echocardiography4▲ 6.4×5 topics
  29. Epidemiological Analysis4▲ 31×2 topics
  30. Clinical Management4▲ 8.5×6 topics
  31. Population-Based Study4▲ 28×2 topics
  32. Gastric Cancer4▲ 13×2 topics
  33. Multiple Primary Cancers4▲ 77×1 topic
  34. Second Primary Neoplasms4▲ 77×1 topic
  35. Endovascular Repair3▲ 17×3 topics
  36. Pain Management3▲ 6.7×6 topics
  37. Gene Expression Profiling3▲ 15×2 topics
  38. Quantum Dots3▲ 9.2×2 topics
  39. Diagnostic Algorithm3▲ 22×2 topics
  40. Excitons3▲ 17×1 topic

Which research topics does Nikko Memorial Hospital publish most on?

By volume in 2022-now: Surfactants and Colloidal Systems, Chronic Obstructive Pulmonary Disease (COPD) Research, Shoulder Injury and Treatment and Elbow and Forearm Trauma Treatment.

Surfactants and Colloida…1Surfactants and Colloidal Systems: 1 fractional worksChronic Obstructive Pulm…0Chronic Obstructive Pulmonary Disease (COPD) Research: 0 fractional worksShoulder Injury and Trea…0Shoulder Injury and Treatment: 0 fractional worksElbow and Forearm Trauma…0Elbow and Forearm Trauma Treatment: 0 fractional worksCervical Cancer and HPV Research: 0 fractional worksPulmonary Hypertension Research and Treatments: 0 fractional worksLiquid Crystal Research …0Liquid Crystal Research Advancements: 0 fractional worksPickering emulsions and particle stabilization: 0 fractional worksNeonatal and fetal brain pathology: 0 fractional worksCardiac Arrest and Resus…0Cardiac Arrest and Resuscitation: 0 fractional works
Organic ChemistryPulmonary and Respiratory MedicineSurgeryRehabilitation5 others

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

  1. 1 Surfactants and Colloidal Systems Organic Chemistry 1 works
  2. 2 Chronic Obstructive Pulmonary Disease (COPD) Research Pulmonary and Respiratory Medicine 0 works
  3. 3 Shoulder Injury and Treatment Surgery 0 works
  4. 4 Elbow and Forearm Trauma Treatment Rehabilitation 0 works
  5. 5 Cervical Cancer and HPV Research Epidemiology 0 works
  6. 6 Pulmonary Hypertension Research and Treatments Pulmonary and Respiratory Medicine 0 works
  7. 7 Liquid Crystal Research Advancements Electronic, Optical and Magnetic Materials 0 works
  8. 8 Pickering emulsions and particle stabilization Materials Chemistry 0 works
  9. 9 Neonatal and fetal brain pathology Pediatrics, Perinatology and Child Health 0 works
  10. 10 Cardiac Arrest and Resuscitation Emergency Medicine 0 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 available32.3%not open67.7%

World: 40% of research is openly available.

with international co-authors7.7%domestic only92.3%

World: 18% is written across borders.

How has Nikko Memorial Hospital's research output changed?

Output in 2022-2025 was 4% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Nikko Memorial Hospital as a percentage of every work published that year, 0.000047% in 2024.

still counting0.00050%0.0010%0.0015%Nikko Memorial Hospital0.000065% in 20251990200020102020

Fractional works of Nikko Memorial Hospital over all fractional works that year. How the balance of science has shifted.

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Nikko Memorial Hospital on Science Explorer

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