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.
| Field | World rank | Where that sits | Top-10% rate | Works |
|---|---|---|---|---|
| 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.
- EngineeringField · 31.2 works4.3×
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.
Rings at 0.5×, 1× and 2×. Widest outward: Engineering, 4.3×. Every wedge is a field page.
- Engineering 4.3×
- Earth and Planetary Sciences 3.8×
- Chemistry 2.6×
- Chemical Engineering 1.6×
- Environmental Science 1.2×
- Nursing 1.2×
- Materials Science 1.0×
- Agricultural and Biological Sciences 0.8×
- Physics and Astronomy 0.5×
- Health Professions 0.5×
- Biochemistry, Genetics and Molecular Biology 0.4×
- Decision Sciences 0.4×
- Energy 0.2×
- Immunology and Microbiology 0.2×
- Computer Science 0.2×
- Arts and Humanities 0.2×
- Neuroscience 0.1×
- Business, Management and Accounting 0.1×
- Medicine 0.1×
- Economics, Econometrics and Finance 0.1×
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 Etsuro NAKAMURA Japan · #1,537,662 worldwide 4 citations · 31 works
- 2 Akira Yokogawa Japan · #1,576,994 worldwide 3 citations · 19 works
- 3 Mitsuyuki Mitooka Japan · #1,590,954 worldwide 5 citations · 15 works
- 4 Tôzô Amemiya Japan · #1,605,663 worldwide 4 citations · 20 works
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.
- Microbial Communities
- Ionic Liquids
- Renewable Energy
- Environmental Impact
- Artificial Lift Systems
- Asphaltenes
- Ensemble Kalman Filter
- Well Integrity
- Optimization
- Rheological Properties
- Pore-scale Modeling
- Nanofluids
- Porous Media
- CO2 Sequestration
- Mudstones
- Shale Gas Reservoirs
- Fracture Propagation
- Hydraulic Fracturing
- Shale Gas
- Gas Permeability
- Pore Structure
- Nanoparticles
- Surfactants
- Vibration Analysis
- X-ray Computed Tomography
- Machine Learning
- Drilling Fluids
- Data Assimilation
- Fault Diagnosis
- Petroleum
- Electric Submersible Pumps
- Geophysical Imaging
- Full-Waveform Tomography
- Seismic Waveform Inversion
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
- Hydraulic Fracturing6▲ 102×2 topics
- Fracture Propagation5▲ 169×1 topic
- Shale Gas5▲ 82×2 topics
- Shale Gas Reservoirs5▲ 169×1 topic
- Gas Permeability5▲ 94×1 topic
- Mudstones5▲ 123×1 topic
- Pore Structure5▲ 77×2 topics
- CO2 Sequestration4▲ 45×4 topics
- Nanoparticles4▲ 6.7×8 topics
- Porous Media4▲ 59×2 topics
- Surfactants4▲ 78×3 topics
- Nanofluids4▲ 88×2 topics
- Vibration Analysis4▲ 26×3 topics
- Pore-scale Modeling3▲ 194×1 topic
- X-ray Computed Tomography3▲ 194×1 topic
- Rheological Properties3▲ 35×3 topics
- Machine Learning3▲ 1.92×9 topics
- Optimization3▲ 12×3 topics
- Drilling Fluids3▲ 102×1 topic
- Well Integrity3▲ 102×1 topic
- Data Assimilation2▲ 32×1 topic
- Ensemble Kalman Filter2▲ 50×1 topic
- Fault Diagnosis2▲ 29×3 topics
- Asphaltenes2▲ 146×1 topic
- Petroleum2▲ 71×1 topic
- Artificial Lift Systems2▲ 114×1 topic
- Electric Submersible Pumps2▲ 114×1 topic
- Environmental Impact2▲ 1.89×3 topics
- Geophysical Imaging1▲ 53×2 topics
- Renewable Energy1▲ 1.67×7 topics
- Full-Waveform Tomography1▲ 52×1 topic
- Ionic Liquids1▲ 8.4×4 topics
- Seismic Waveform Inversion1▲ 52×1 topic
- 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.
Area is fractional works; colour is the subfield each topic belongs to.
- 1 Hydraulic Fracturing and Reservoir Analysis Mechanical Engineering 5 works
- 2 Hydrocarbon exploration and reservoir analysis Mechanics of Materials 5 works
- 3 Enhanced Oil Recovery Techniques Ocean Engineering 3 works
- 4 Drilling and Well Engineering Ocean Engineering 3 works
- 5 Reservoir Engineering and Simulation Methods Ocean Engineering 2 works
- 6 Petroleum Processing and Analysis Analytical Chemistry 2 works
- 7 Oil and Gas Production Techniques Ocean Engineering 2 works
- 8 Seismic Imaging and Inversion Techniques Geophysics 1 works
- 9 Concrete and Cement Materials Research Civil and Structural Engineering 1 works
- 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.
World: 28% of research is openly available.
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.
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
- The University of Tokyo
- Tokyo Institute of Technology
- Keio University
- Waseda University
- Tokyo University of Science
- Nihon University
- Hitachi (Japan)
- NTT (Japan)
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.