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University · Saga · Japan

Saga University

In research, Saga University stands highest in Medicine (#2,306 of 10,443 worldwide), Health Sciences (#2,773 of 11,982 worldwide) and Physical Sciences (#5,227 of 12,888 worldwide), 2022–2025. Relative to its size it is most specialised in Surgery, Pathology and Forensic Medicine and Rheumatology — Surgery is 3.2× its share of world research.

saga-u.ac.jp/englishROR OpenAlex
World rank, 2022–2025
#5,454
of 28,054 · #3,065 all time
Rank in Japan
#134
of 1,070
Research works
13k
▼ 6% vs 2013–17
Citations
175k
13.0 per fractional work
Top-10% rate
10.4%
record average 16.5%
Open access
44%
world 28%

What is Saga University 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 #2,306 of 10,443 10.7%604 #3446
Health SciencesDomain #2,773 of 11,982 10.7%647 #4267
Physical SciencesDomain #5,227 of 12,888 8.3%644 #2417
Life SciencesDomain #3,597 of 7,800 13.0%218 #2961
EngineeringField #3,337 of 6,636 9.1%296 #1486
SurgerySubfield #1,040 of 1,816 9.8%119 #1492
Social SciencesDomain #7,811 of 10,521 16.8%95 #9935
Computer ScienceField #3,625 of 4,667 11.2%80 #4329
Materials ScienceField #2,118 of 2,468 5.1%85 #1960
Biochemistry, Genetics and Molecular BiologyField #3,081 of 3,579 12.0%91 #2545

Each strip is that field’s whole ranked pool, with the notch where Saga University 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).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Medicine#3,446 #2,306
  2. Health Sciences#4,267 #2,773
  3. Physical Sciences#2,417 #5,227
  4. Life Sciences#2,961 #3,597
  5. Engineering#1,486 #3,337
  6. Surgery#1,492 #1,040
  7. Social Sciences#9,935 #7,811
  8. Computer Science#4,329 #3,625
  9. Materials Science#1,960 #2,118
  10. Biochemistry, Genetics and Molecular Biology#2,545 #3,081
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

What does Saga University specialise in?

Where its research is concentrated relative to its size: Surgery takes 3.2× the share of its output that it takes of world research.

  1. SurgerySubfield · 118.8 works3.2×
  2. Pathology and Forensic MedicineSubfield · 25.7 works3.1×
  3. RheumatologySubfield · 21.8 works3.0×
  4. Cardiology and Cardiovascular MedicineSubfield · 49.1 works2.9×
← 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: 0.82× its world share, 62 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.06× its world share, 91 worksBiochemistry, Geneti…Immunology and Microbiology: 1.39× its world share, 22 worksImmunology and Micro…Neuroscience: 1.29× its world share, 34 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.50× its world share, 8 worksPharmacology, Toxico…Chemical Engineering: 1.12× its world share, 6 worksChemical EngineeringChemistry: 1.34× its world share, 34 worksChemistryComputer Science: 0.64× its world share, 80 worksComputer ScienceEarth and Planetary Sciences: 0.79× its world share, 20 worksEarth and Planetary …Energy: 1.06× its world share, 16 worksEnergyEngineering: 1.23× its world share, 296 worksEngineeringEnvironmental Science: 0.75× its world share, 60 worksEnvironmental ScienceMaterials Science: 1.52× its world share, 85 worksMaterials ScienceMathematics: 0.64× its world share, 12 worksMathematicsPhysics and Astronomy: 1.00× its world share, 36 worksPhysics and AstronomyDentistry: 0.72× its world share, 6 worksDentistryHealth Professions: 0.67× its world share, 28 worksHealth ProfessionsMedicine: 1.96× its world share, 604 worksMedicineNursing: 1.12× its world share, 9 worksNursingVeterinary: 0.23× its world share, 0 worksVeterinaryArts and Humanities: 0.14× its world share, 6 worksArts and HumanitiesBusiness, Management and Accounting: 0.16× its world share, 8 worksBusiness, Management…Decision Sciences: 0.17× its world share, 3 worksDecision SciencesEconomics, Econometrics and Finance: 0.12× its world share, 4 worksEconomics, Econometr…Psychology: 0.53× its world share, 26 worksPsychologySocial Sciences: 0.24× its world share, 48 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Medicine, 2.0×. Every wedge is a field page.

Who are the top researchers at Saga University?

Ranked on the composite score, Daisuke Fujita, Ryoji Matsumoto and Jinchun Chai lead among researchers whose main affiliation is Saga University.

  1. 1 Daisuke Fujita Japan · #79,643 worldwide 276 citations · 27 works
  2. 2 Ryoji Matsumoto Japan · #173,399 worldwide 146 citations · 30 works
  3. 3 Jinchun Chai Japan · #175,802 worldwide 236 citations · 35 works
  4. 4 Masaki Yoshio Japan · #186,561 worldwide 727 citations · 73 works
  5. 5 Yuichiro Eguchi Japan · #216,299 worldwide 153 citations · 50 works
  6. 6 Kazusato Ohshima Japan · #237,308 worldwide 134 citations · 21 works
  7. 7 Masanori Monde Japan · #275,561 worldwide 192 citations · 75 works
  8. 8 Keishi Kariya Japan · #280,304 worldwide 84 citations · 27 works
  9. 9 Atsushi Tanaka Japan · #287,011 worldwide 113 citations · 35 works
  10. 10 Atsushi Kawaguchi Japan · #295,602 worldwide 84 citations · 41 works
All ranked researchers at Saga University

Which keywords describe research at Saga University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Inflammation, Treatment, Diagnosis, Cardiovascular Disease, Guidelines, Surgical Management 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 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. Epidemiology104▲ 1.63×105 topics
  2. Inflammation61▲ 1.83×71 topics
  3. Treatment48▲ 2.5×43 topics
  4. Deep Learning48◆ 0.87×60 topics
  5. Diagnosis39▲ 2.6×34 topics
  6. Cardiovascular Disease37▲ 2.1×35 topics
  7. Oxidative Stress32▲ 1.22×51 topics
  8. Metabolic Syndrome28▲ 2.1×22 topics
  9. Chemotherapy26▲ 2.3×23 topics
  10. Immunotherapy26▲ 2.2×17 topics
  11. Biomedical Applications25▲ 1.33×29 topics
  12. Management25▲ 1.99×27 topics
  13. Guidelines25▲ 3.3×13 topics
  14. Prognostic Factors24▲ 3.4×14 topics
  15. Risk Factors24▲ 1.34×24 topics
  16. Surgical Management24▲ 3.6×18 topics
  17. Complications22▲ 2.8×17 topics
  18. Obesity22▲ 1.81×20 topics
  19. Clinical Practice Guidelines21▲ 2.4×14 topics
  20. Heart Failure21▲ 3.1×13 topics
  21. Pathogenesis19▲ 2.4×17 topics
  22. Semiconductor17▲ 3.1×5 topics
  23. Thin Films17▲ 5.5×8 topics
  24. Prognosis16▲ 3.1×9 topics
  25. Wireless Communications16▲ 5.8×2 topics
  26. Echocardiography16▲ 3.8×7 topics
  27. Photodetectors16▲ 12×2 topics
  28. Antenna16▲ 12×1 topic
  29. Microstrip16▲ 12×1 topic
  30. Atherosclerosis16▲ 3.4×10 topics
  31. Nanowires14▲ 6.0×5 topics
  32. Revision Surgery14▲ 6.8×2 topics
  33. Total Hip Replacement14▲ 6.8×2 topics
  34. Endovascular Repair12▲ 8.6×3 topics
  35. Biological Control11▲ 4.7×9 topics
  36. Genetic Algorithms11▲ 4.8×5 topics
  37. Transparent Conductors11▲ 5.4×2 topics
  38. Microwave Filters9▲ 10×1 topic
  39. Power Devices9▲ 8.4×2 topics
  40. Substrate Integrated Waveguide9▲ 10×1 topic

Which research topics does Saga University publish most on?

By volume in 2022–2025: Antenna Design and Analysis, Microwave Engineering and Waveguides, Orthopaedic implants and arthroplasty and Antenna Design and Optimization.

Antenna Design and Analy…16Antenna Design and Analysis: 16 fractional worksMicrowave Engineering an…9Microwave Engineering and Waveguides: 9 fractional worksOrthopaedic implants and arthroplasty: 9 fractional worksAntenna Design and Optimization: 9 fractional worksGa2O3 and related materials: 8 fractional worksZnO doping and properties: 8 fractional worksLiver Disease Diagnosis and Treatment: 8 fractional worksSpine and Intervertebral…7Spine and Intervertebral Disc Pathology: 7 fractional worksAtrial Fibrillation Management and Outcomes: 7 fractional worksAortic Disease and Treatment Approaches: 6 fractional works
Aerospace EngineeringElectrical and Electronic EngineeringSurgeryElectronic, Optical and Magnetic Materials5 others

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

  1. 1 Antenna Design and Analysis Aerospace Engineering 16 works
  2. 2 Microwave Engineering and Waveguides Electrical and Electronic Engineering 9 works
  3. 3 Orthopaedic implants and arthroplasty Surgery 9 works
  4. 4 Antenna Design and Optimization Aerospace Engineering 9 works
  5. 5 Ga2O3 and related materials Electronic, Optical and Magnetic Materials 8 works
  6. 6 ZnO doping and properties Materials Chemistry 8 works
  7. 7 Liver Disease Diagnosis and Treatment Epidemiology 8 works
  8. 8 Spine and Intervertebral Disc Pathology Pathology and Forensic Medicine 7 works
  9. 9 Atrial Fibrillation Management and Outcomes Cardiology and Cardiovascular Medicine 7 works
  10. 10 Aortic Disease and Treatment Approaches Pulmonary and Respiratory Medicine 6 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 available44.3%not open55.7%

World: 28% of research is openly available.

with international co-authors12.3%domestic only87.7%

World: 19% is written across borders.

How has Saga University's research output changed?

Output in 2018–2022 was 6% lower 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 Saga

All research institutions in Saga

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.