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Company · Tokyo · Japan

Cosmo Oil (Japan)

In research, Cosmo Oil (Japan) stands highest in Physical Sciences (#8,220 of 21,541 worldwide), Engineering (#7,444 of 11,412 worldwide) and Mechanical Engineering (#2,206 of 2,753 worldwide), over all time. Relative to its size it is most specialised in Engineering — Engineering is 4.3× its share of world research.

World rank, all time
#14,471
of 42,892
Rank in Japan
#563
of 2,112
Research works
1.2k
▼ 21% vs 2013–17
Citations
12k
9.9 per fractional work
Top-10% rate
6.4%
record average 16.5%
Open access
35%
world 28%

What is Cosmo Oil (Japan) 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
Physical SciencesDomain #8,220 of 21,541 8.3%1,104
EngineeringField #7,444 of 11,412 7.8%681
Mechanical EngineeringSubfield #2,206 of 2,753 9.7%196
Ocean EngineeringSubfield #743 of 839 5.2%272
ChemistryField #3,072 of 3,369 8.5%139

Each strip is that field’s whole ranked pool, with the notch where Cosmo Oil (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).

What does Cosmo Oil (Japan) specialise in?

Where its research is concentrated relative to its size: Engineering takes 4.3× the share of its output that it takes of world research.

  1. EngineeringField · 31.2 works4.3×
← less than its size predictsmore →

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: 0.78× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.39× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.23× its world share, 0 worksImmunology and Micro…Neuroscience: 0.14× its world share, 0 worksNeuroscienceChemical Engineering: 1.64× its world share, 0 worksChemical EngineeringChemistry: 2.65× its world share, 2 worksChemistryComputer Science: 0.23× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 3.75× its world share, 3 worksEarth and Planetary …Energy: 0.25× its world share, 0 worksEnergyEngineering: 4.30× its world share, 31 worksEngineeringEnvironmental Science: 1.23× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.99× its world share, 2 worksMaterials SciencePhysics and Astronomy: 0.52× its world share, 1 worksPhysics and AstronomyHealth Professions: 0.52× its world share, 1 worksHealth ProfessionsMedicine: 0.11× its world share, 1 worksMedicineNursing: 1.17× its world share, 0 worksNursingArts and Humanities: 0.22× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.14× its world share, 0 worksBusiness, Management…Decision Sciences: 0.36× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.11× its world share, 0 worksEconomics, Econometr…world share
more than its size predictsabout as predictedless

Rings at 0.5×, and 2×. Widest outward: Engineering, 4.3×. Every wedge is a field page.

Who are the top researchers at Cosmo Oil (Japan)?

Ranked on the composite score, Etsuro NAKAMURA, Akira Yokogawa and Mitsuyuki Mitooka lead among researchers whose main affiliation is Cosmo Oil (Japan).

  1. 1 Etsuro NAKAMURA Japan · #1,537,662 worldwide 4 citations · 31 works
  2. 2 Akira Yokogawa Japan · #1,576,994 worldwide 3 citations · 19 works
  3. 3 Mitsuyuki Mitooka Japan · #1,590,954 worldwide 5 citations · 15 works
  4. 4 Tôzô Amemiya Japan · #1,605,663 worldwide 4 citations · 20 works
All ranked researchers at Cosmo Oil (Japan)

Which keywords describe research at Cosmo Oil (Japan)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Hydraulic Fracturing, Shale Gas, Fracture Propagation, Shale Gas Reservoirs, Pore Structure, Gas Permeability, Mudstones and CO2 Sequestration.

▲ 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 34 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 34 words, with their numbers
  1. Hydraulic Fracturing6▲ 102×2 topics
  2. Fracture Propagation5▲ 169×1 topic
  3. Shale Gas5▲ 82×2 topics
  4. Shale Gas Reservoirs5▲ 169×1 topic
  5. Gas Permeability5▲ 94×1 topic
  6. Mudstones5▲ 123×1 topic
  7. Pore Structure5▲ 77×2 topics
  8. CO2 Sequestration4▲ 45×4 topics
  9. Nanoparticles4▲ 6.7×8 topics
  10. Porous Media4▲ 59×2 topics
  11. Surfactants4▲ 78×3 topics
  12. Nanofluids4▲ 88×2 topics
  13. Vibration Analysis4▲ 26×3 topics
  14. Pore-scale Modeling3▲ 194×1 topic
  15. X-ray Computed Tomography3▲ 194×1 topic
  16. Rheological Properties3▲ 35×3 topics
  17. Machine Learning3▲ 1.92×9 topics
  18. Optimization3▲ 12×3 topics
  19. Drilling Fluids3▲ 102×1 topic
  20. Well Integrity3▲ 102×1 topic
  21. Data Assimilation2▲ 32×1 topic
  22. Ensemble Kalman Filter2▲ 50×1 topic
  23. Fault Diagnosis2▲ 29×3 topics
  24. Asphaltenes2▲ 146×1 topic
  25. Petroleum2▲ 71×1 topic
  26. Artificial Lift Systems2▲ 114×1 topic
  27. Electric Submersible Pumps2▲ 114×1 topic
  28. Environmental Impact2▲ 1.89×3 topics
  29. Geophysical Imaging1▲ 53×2 topics
  30. Renewable Energy1▲ 1.67×7 topics
  31. Full-Waveform Tomography1▲ 52×1 topic
  32. Ionic Liquids1▲ 8.4×4 topics
  33. Seismic Waveform Inversion1▲ 52×1 topic
  34. Microbial Communities1▲ 4.9×2 topics

Which research topics does Cosmo Oil (Japan) publish most on?

By volume in 2022–2025: Hydraulic Fracturing and Reservoir Analysis, Hydrocarbon exploration and reservoir analysis, Enhanced Oil Recovery Techniques and Drilling and Well Engineering.

  1. 1 Hydraulic Fracturing and Reservoir Analysis Mechanical Engineering 5 works
  2. 2 Hydrocarbon exploration and reservoir analysis Mechanics of Materials 5 works
  3. 3 Enhanced Oil Recovery Techniques Ocean Engineering 3 works
  4. 4 Drilling and Well Engineering Ocean Engineering 3 works
  5. 5 Reservoir Engineering and Simulation Methods Ocean Engineering 2 works
  6. 6 Petroleum Processing and Analysis Analytical Chemistry 2 works
  7. 7 Oil and Gas Production Techniques Ocean Engineering 2 works
  8. 8 Seismic Imaging and Inversion Techniques Geophysics 1 works
  9. 9 Concrete and Cement Materials Research Civil and Structural Engineering 1 works
  10. 10 Methane Hydrates and Related Phenomena Environmental Chemistry 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 available35.4%not open64.6%

World: 28% of research is openly available.

with international co-authors19.0%domestic only81.0%

World: 19% is written across borders.

How has Cosmo Oil (Japan)'s research output changed?

Output in 2018–2022 was 21% 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 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.