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Nippon Steel (Japan)

In research, Nippon Steel (Japan) stands highest in Physical Sciences (#5,529 of 12,888 worldwide), Materials Science (#1,774 of 2,468 worldwide) and Engineering (#5,003 of 6,636 worldwide), 2022–2025. Relative to its size it is most specialised in Metals and Alloys, Mechanical Engineering and Mechanics of Materials — Metals and Alloys is 173.3× its share of world research.

nipponsteel.comROR OpenAlex
World rank, 2022–2025
#10,199
of 28,054 · #2,304 all time
Rank in Japan
#253
of 1,070
Research works
8.1k
▲ 47% vs 2013–17
Citations
104k
12.8 per fractional work
Top-10% rate
4.2%
record average 16.5%
Open access
54%
world 28%

What is Nippon Steel (Japan) 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
Physical SciencesDomain #5,529 of 12,888 4.2%459 #1501
Materials ScienceField #1,774 of 2,468 3.9%116 #450
EngineeringField #5,003 of 6,636 3.5%310 #1634
Mechanical EngineeringSubfield #1,168 of 1,351 3.4%153 #426
Materials ChemistrySubfield #1,523 of 1,556 3.9%71 #796

Each strip is that field’s whole ranked pool, with the notch where Nippon Steel (Japan) 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. Physical Sciences#1,501 #5,529
  2. Materials Science#450 #1,774
  3. Engineering#1,634 #5,003
  4. Mechanical Engineering#426 #1,168
  5. Materials Chemistry#796 #1,523
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 Nippon Steel (Japan) specialise in?

Where its research is concentrated relative to its size: Metals and Alloys takes 173.3× the share of its output that it takes of world research.

  1. Metals and AlloysSubfield · 27.5 works173×
  2. Mechanical EngineeringSubfield · 152.9 works17×
  3. Mechanics of MaterialsSubfield · 51.2 works15×
  4. Materials ChemistrySubfield · 71.1 works7.5×
  5. Materials ScienceField · 115.7 works6.9×
  6. Civil and Structural EngineeringSubfield · 37.8 works6.7×
← 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: 0.21× its world share, 5 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.05× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.07× its world share, 0 worksImmunology and Micro…Neuroscience: 0.07× its world share, 1 worksNeuroscienceChemical Engineering: 0.73× its world share, 1 worksChemical EngineeringChemistry: 0.61× its world share, 5 worksChemistryComputer Science: 0.10× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 0.61× its world share, 5 worksEarth and Planetary …Energy: 0.67× its world share, 3 worksEnergyEngineering: 4.30× its world share, 310 worksEngineeringEnvironmental Science: 0.51× its world share, 12 worksEnvironmental ScienceMaterials Science: 6.90× its world share, 116 worksMaterials ScienceMathematics: 0.24× its world share, 1 worksMathematicsPhysics and Astronomy: 0.29× its world share, 3 worksPhysics and AstronomyHealth Professions: 0.14× its world share, 2 worksHealth ProfessionsMedicine: 0.05× its world share, 4 worksMedicineNursing: 0.11× its world share, 0 worksNursingArts and Humanities: 0.04× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.15× its world share, 2 worksBusiness, Management…Economics, Econometrics and Finance: 0.05× its world share, 0 worksEconomics, Econometr…Psychology: 0.08× its world share, 1 worksPsychologySocial Sciences: 0.06× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Materials Science, 6.9×. Every wedge is a field page.

Who are the top researchers at Nippon Steel (Japan)?

Ranked on the composite score, Toshihiko Emi, Yasuo Kishimoto and Kohsaku Ushioda lead among researchers whose main affiliation is Nippon Steel (Japan).

  1. 1 Toshihiko Emi Japan · #125,823 worldwide 194 citations · 24 works
  2. 2 Yasuo Kishimoto Japan · #168,217 worldwide 222 citations · 48 works
  3. 3 Kohsaku Ushioda Japan · #176,707 worldwide 323 citations · 89 works
  4. 4 Hiroshi Yada Japan · #223,511 worldwide 135 citations · 28 works
  5. 5 Koichi Endo Japan · #226,392 worldwide 1 citations · 39 works
  6. 6 Jun Takahashi Japan · #227,431 worldwide 80 citations · 37 works
  7. 7 Noriko Yamada Japan · #252,131 worldwide 124 citations · 58 works
  8. 8 Yutaka Kato Japan · #262,707 worldwide 77 citations · 20 works
  9. 9 E. T. Turkdogan Japan · #292,997 worldwide 83 citations · 21 works
  10. 10 Naoki Yoshinaga Japan · #303,616 worldwide 143 citations · 17 works
All ranked researchers at Nippon Steel (Japan)

Which keywords describe research at Nippon Steel (Japan)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Mechanical Properties, Microstructure, Grain Refinement, High-Strength Steels, Martensite Transformation, Grain Boundary Engineering, Hydrogen Embrittlement and Corrosion Behavior.

▲ 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. Mechanical Properties90▲ 19×31 topics
  2. Microstructure87▲ 35×15 topics
  3. Grain Refinement62▲ 113×4 topics
  4. High-Strength Steels45▲ 276×1 topic
  5. Martensite Transformation45▲ 276×1 topic
  6. Grain Boundary Engineering36▲ 120×2 topics
  7. Hydrogen Embrittlement35▲ 86×3 topics
  8. Corrosion Behavior34▲ 87×2 topics
  9. Microstructural Evolution33▲ 47×4 topics
  10. Pitting Corrosion28▲ 118×2 topics
  11. Passive Films28▲ 173×1 topic
  12. Stainless Steels28▲ 173×1 topic
  13. Constitutive Modeling23▲ 70×2 topics
  14. Metallurgy22▲ 74×2 topics
  15. Numerical Simulation21▲ 15×11 topics
  16. Artificial Neural Networks20▲ 8.6×2 topics
  17. High Temperature19▲ 58×2 topics
  18. Dynamic Recrystallization19▲ 99×1 topic
  19. Hot Deformation19▲ 99×1 topic
  20. Wear Resistance19▲ 98×2 topics
  21. Energy Efficiency18▲ 4.1×8 topics
  22. Cryogenic Treatment18▲ 128×1 topic
  23. Databases18▲ 130×1 topic
  24. Thermochemical18▲ 130×1 topic
  25. Tool Steels18▲ 128×1 topic
  26. Molecular Dynamics Simulation18▲ 33×3 topics
  27. Sulfate-Reducing Bacteria16▲ 53×2 topics
  28. Corrosion Inhibitors16▲ 66×1 topic
  29. Metal Corrosion16▲ 66×1 topic
  30. Residual Stress14▲ 52×2 topics
  31. Iron Oxides14▲ 159×1 topic
  32. Process Optimization14▲ 42×2 topics
  33. Reduction Kinetics14▲ 159×1 topic
  34. Heat Transfer14▲ 5.7×12 topics
  35. Welding13▲ 42×3 topics
  36. Fatigue Crack Closure13▲ 93×1 topic
  37. Fracture Toughness Testing13▲ 93×1 topic
  38. Laser Welding12▲ 52×2 topics
  39. Keyhole Formation12▲ 53×1 topic
  40. Weld Pool Dynamics12▲ 53×1 topic

Which research topics does Nippon Steel (Japan) publish most on?

By volume in 2022–2025: Microstructure and Mechanical Properties of Steels, Hydrogen embrittlement and corrosion behaviors in metals, Metallurgy and Material Forming and Metal Alloys Wear and Properties.

Microstructure and Mecha…45Microstructure and Mechanical Properties of Steels: 45 fractional worksHydrogen embrittlement and corrosion behaviors in metals: 28 fractional worksMetallurgy and Material Forming: 19 fractional worksMetal Alloys Wear and Properties: 18 fractional worksMetallurgical Processes and Thermodynamics: 18 fractional worksCorrosion Behavior and Inhibition: 16 fractional worksIron and Steelmaking Pro…14Iron and Steelmaking Processes: 14 fractional worksFatigue and fracture mechanics: 13 fractional worksWelding Techniques and Residual Stresses: 12 fractional worksMetal Forming Simulation Techniques: 11 fractional works
Mechanical EngineeringMetals and AlloysMechanics of MaterialsMaterials Chemistry

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

  1. 1 Microstructure and Mechanical Properties of Steels Mechanical Engineering 45 works
  2. 2 Hydrogen embrittlement and corrosion behaviors in metals Metals and Alloys 28 works
  3. 3 Metallurgy and Material Forming Mechanics of Materials 19 works
  4. 4 Metal Alloys Wear and Properties Materials Chemistry 18 works
  5. 5 Metallurgical Processes and Thermodynamics Mechanical Engineering 18 works
  6. 6 Corrosion Behavior and Inhibition Materials Chemistry 16 works
  7. 7 Iron and Steelmaking Processes Mechanical Engineering 14 works
  8. 8 Fatigue and fracture mechanics Mechanics of Materials 13 works
  9. 9 Welding Techniques and Residual Stresses Mechanical Engineering 12 works
  10. 10 Metal Forming Simulation Techniques Mechanical Engineering 11 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 available54.0%not open46.0%

World: 28% of research is openly available.

with international co-authors10.8%domestic only89.2%

World: 19% is written across borders.

How has Nippon Steel (Japan)'s research output changed?

Output in 2018–2022 was 47% 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 Tokyo

All research institutions in Tokyo

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.