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Research facility · Kokubunji · Japan

Railway Technical Research Institute

In research, Railway Technical Research Institute stands highest in Engineering (#2,068 of 6,636 worldwide), Physical Sciences (#7,870 of 12,888 worldwide) and Civil and Structural Engineering (#837 of 896 worldwide), 2022–2025. Relative to its size it is most specialised in Civil and Structural Engineering, Industrial and Manufacturing Engineering and Mechanical Engineering — Civil and Structural Engineering is 16.9× its share of world research.

rtri.or.jp/engROR OpenAlex
World rank, 2022–2025
#15,073
of 28,054 · #5,831 all time
Rank in Japan
#397
of 1,070
Research works
3.3k
▲ 44% vs 2013–17
Citations
19k
5.7 per fractional work
Top-10% rate
3.6%
record average 16.5%
Open access
59%
world 28%

What is Railway Technical Research Institute 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
EngineeringField #2,068 of 6,636 3.4%304 #862
Physical SciencesDomain #7,870 of 12,888 3.8%354 #3699
Civil and Structural EngineeringSubfield #837 of 896 2.0%77 #979
Mechanical EngineeringSubfield #1,331 of 1,351 1.1%82 #1578

Each strip is that field’s whole ranked pool, with the notch where Railway Technical Research Institute 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. Engineering#862 #2,068
  2. Physical Sciences#3,699 #7,870
  3. Civil and Structural Engineering#979 #837
  4. Mechanical Engineering#1,578 #1,331
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 Railway Technical Research Institute specialise in?

Where its research is concentrated relative to its size: Civil and Structural Engineering takes 16.9× the share of its output that it takes of world research.

  1. Civil and Structural EngineeringSubfield · 77.1 works17×
  2. Industrial and Manufacturing EngineeringSubfield · 24.6 works12×
  3. Mechanical EngineeringSubfield · 81.8 works11×
  4. Mechanics of MaterialsSubfield · 21.7 works7.9×
  5. EngineeringField · 304.2 works5.2×
← 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: 0.06× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.14× its world share, 3 worksBiochemistry, Geneti…Neuroscience: 0.06× its world share, 0 worksNeuroscienceChemistry: 0.02× its world share, 0 worksChemistryComputer Science: 0.57× its world share, 17 worksComputer ScienceEarth and Planetary Sciences: 1.68× its world share, 10 worksEarth and Planetary …Energy: 0.12× its world share, 0 worksEnergyEngineering: 5.24× its world share, 304 worksEngineeringEnvironmental Science: 0.56× its world share, 11 worksEnvironmental ScienceMaterials Science: 0.48× its world share, 6 worksMaterials ScienceMathematics: 0.22× its world share, 1 worksMathematicsPhysics and Astronomy: 0.47× its world share, 4 worksPhysics and AstronomyHealth Professions: 0.13× its world share, 1 worksHealth ProfessionsMedicine: 0.06× its world share, 4 worksMedicineArts and Humanities: 0.07× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.08× its world share, 1 worksBusiness, Management…Decision Sciences: 1.09× its world share, 4 worksDecision SciencesPsychology: 0.78× its world share, 9 worksPsychologySocial Sciences: 0.16× its world share, 8 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Engineering, 5.2×. Every wedge is a field page.

Who are the top researchers at Railway Technical Research Institute?

Ranked on the composite score, Ayako Suzuki, Hiroshi Seino and Masayoshi Ishida lead among researchers whose main affiliation is Railway Technical Research Institute.

  1. 1 Ayako Suzuki Japan · #120,384 worldwide 299 citations · 58 works
  2. 2 Hiroshi Seino Japan · #154,027 worldwide 95 citations · 37 works
  3. 3 Masayoshi Ishida Japan · #154,075 worldwide 429 citations · 19 works
  4. 4 Masamichi SOGABE Japan · #280,878 worldwide 61 citations · 36 works
  5. 5 Masaru Tateyama Japan · #335,868 worldwide 96 citations · 34 works
  6. 6 Hiroyuki Fujimoto Japan · #528,621 worldwide 264 citations · 121 works
  7. 7 Toyoji YONEZAWA Japan · #578,314 worldwide 37 citations · 21 works
  8. 8 Makoto Ishida Japan · #602,665 worldwide 30 citations · 22 works
  9. 9 Koji OMINO Japan · #629,521 worldwide 12 citations · 21 works
  10. 10 Takefumi MIYAMOTO Japan · #637,278 worldwide 30 citations · 24 works
All ranked researchers at Railway Technical Research Institute

Which keywords describe research at Railway Technical Research Institute?

By fractional works in 2022–2025, weighted toward what it does more of than the world: High-Speed Trains, Rolling Contact Fatigue, Dynamic Interaction, Ground Vibration, Railway Dynamics, Numerical Simulation, Finite Element Method and Energy Efficiency.

▲ 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. High-Speed Trains65▲ 257×3 topics
  2. Rolling Contact Fatigue47▲ 207×2 topics
  3. Dynamic Interaction47▲ 183×2 topics
  4. Ground Vibration43▲ 406×1 topic
  5. Railway Dynamics43▲ 406×1 topic
  6. Numerical Simulation36▲ 32×6 topics
  7. Energy Efficiency26▲ 7.0×11 topics
  8. Finite Element Method24▲ 65×3 topics
  9. Failure Analysis23▲ 62×3 topics
  10. Fatigue Analysis23▲ 199×2 topics
  11. Material Properties23▲ 61×2 topics
  12. Structural Analysis23▲ 63×3 topics
  13. Design Optimization23▲ 149×1 topic
  14. Mechanical Engineering23▲ 149×1 topic
  15. Traffic Management20▲ 111×2 topics
  16. Optimization18▲ 10×8 topics
  17. Railway Timetabling18▲ 275×1 topic
  18. Train Scheduling18▲ 275×1 topic
  19. Vehicle Dynamics16▲ 72×2 topics
  20. Analysis16▲ 43×3 topics
  21. Railway Bridges14▲ 89×2 topics
  22. Aerodynamics13▲ 49×1 topic
  23. Crosswind13▲ 113×1 topic
  24. Mechanical Properties12▲ 3.2×15 topics
  25. Soil Reinforcement12▲ 47×2 topics
  26. Fiber Reinforcement11▲ 47×1 topic
  27. Geosynthetics11▲ 58×1 topic
  28. Finite Element Simulation11▲ 90×2 topics
  29. Nonlinear Dynamics11▲ 13×3 topics
  30. Finite Element Analysis10▲ 11×9 topics
  31. Electrical Contact Materials10▲ 276×1 topic
  32. Pantograph-Catenary Interaction10▲ 276×1 topic
  33. Pipeline10▲ 23×3 topics
  34. Technology9▲ 4.5×3 topics
  35. Design9▲ 14×2 topics
  36. Monitoring9▲ 25×2 topics
  37. Thermal Analysis9▲ 18×6 topics
  38. Engineering9▲ 50×1 topic
  39. Research9▲ 19×1 topic
  40. Vibration Analysis8▲ 7.4×6 topics

Which research topics does Railway Technical Research Institute publish most on?

By volume in 2022–2025: Railway Engineering and Dynamics, Engineering Applied Research, Railway Systems and Energy Efficiency and Aerodynamics and Fluid Dynamics Research.

Railway Engineering and …43Railway Engineering and Dynamics: 43 fractional worksEngineering Applied Rese…23Engineering Applied Research: 23 fractional worksRailway Systems and Ener…18Railway Systems and Energy Efficiency: 18 fractional worksAerodynamics and Fluid Dynamics Research: 13 fractional worksGeotechnical Engineering and Soil Stabilization: 11 fractional worksElectrical Contact Perfo…10Electrical Contact Performance and Analysis: 10 fractional worksCivil and Geotechnical Engineering Research: 9 fractional worksMechanical stress and fatigue analysis: 7 fractional worksGeotechnical Engineering and Underground Structures: 6 fractional worksStructural Health Monitoring Techniques: 6 fractional works
Mechanical EngineeringCivil and Structural EngineeringIndustrial and Manufacturing EngineeringAerospace Engineering2 others

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

  1. 1 Railway Engineering and Dynamics Mechanical Engineering 43 works
  2. 2 Engineering Applied Research Civil and Structural Engineering 23 works
  3. 3 Railway Systems and Energy Efficiency Industrial and Manufacturing Engineering 18 works
  4. 4 Aerodynamics and Fluid Dynamics Research Aerospace Engineering 13 works
  5. 5 Geotechnical Engineering and Soil Stabilization Civil and Structural Engineering 11 works
  6. 6 Electrical Contact Performance and Analysis Mechanical Engineering 10 works
  7. 7 Civil and Geotechnical Engineering Research General Engineering 9 works
  8. 8 Mechanical stress and fatigue analysis Mechanics of Materials 7 works
  9. 9 Geotechnical Engineering and Underground Structures Civil and Structural Engineering 6 works
  10. 10 Structural Health Monitoring Techniques Civil and Structural Engineering 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 available59.4%not open40.6%

World: 28% of research is openly available.

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

World: 19% is written across borders.

How has Railway Technical Research Institute's research output changed?

Output in 2018–2022 was 44% 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 Kokubunji

All research institutions in Kokubunji

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.