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Company · Tokyo · Japan

Penta-Ocean Construction (Japan)

In research, Penta-Ocean Construction (Japan) stands highest in Physical Sciences (#19,725 of 21,541 worldwide) and Engineering (#11,067 of 11,412 worldwide), over all time.

penta-ocean.co.jpROR OpenAlex
World rank, all time
#38,417
of 42,892
Rank in Japan
#1,748
of 2,112
Research works
266
◆ 0% vs 2013–17
Citations
1.6k
6.1 per fractional work
Top-10% rate
5.0%
record average 16.5%
Open access
46%
world 28%

What is Penta-Ocean Construction (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 #19,725 of 21,541 6.6%237
EngineeringField #11,067 of 11,412 7.7%131

Each strip is that field’s whole ranked pool, with the notch where Penta-Ocean Construction (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).

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: 0.17× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.45× its world share, 1 worksBiochemistry, Geneti…Chemical Engineering: 1.90× its world share, 0 worksChemical EngineeringChemistry: 0.28× its world share, 0 worksChemistryComputer Science: 0.09× its world share, 0 worksComputer ScienceEarth and Planetary Sciences: 6.57× its world share, 3 worksEarth and Planetary …Energy: 0.72× its world share, 0 worksEnergyEngineering: 3.96× its world share, 15 worksEngineeringEnvironmental Science: 2.34× its world share, 3 worksEnvironmental ScienceMaterials Science: 0.44× its world share, 0 worksMaterials ScienceHealth Professions: 2.52× its world share, 2 worksHealth ProfessionsMedicine: 0.07× its world share, 0 worksMedicineArts and Humanities: 0.69× its world share, 0 worksArts and HumanitiesSocial Sciences: 0.12× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Earth and Planetary Sciences, 6.6×. Every wedge is a field page.

Who are the top researchers at Penta-Ocean Construction (Japan)?

Ranked on the composite score, Yoichi Moriya, M Tsuru and Takeshi NISHIHATA lead among researchers whose main affiliation is Penta-Ocean Construction (Japan).

  1. 1 Yoichi Moriya Japan · #882,013 worldwide 12 citations · 33 works
  2. 2 M Tsuru Japan · #934,624 worldwide 7 citations · 20 works
  3. 3 Takeshi NISHIHATA Japan · #1,008,710 worldwide 11 citations · 32 works
  4. 4 Tsuyoshi KOTOURA Japan · #1,107,277 worldwide 18 citations · 33 works
  5. 5 Takahiro KUMAGAI Japan · #1,372,576 worldwide 12 citations · 29 works
  6. 6 † Takao Japan · #1,391,612 worldwide 8 citations · 54 works
  7. 7 Tsunehiro SEKIMOTO Japan · #1,495,653 worldwide 13 citations · 21 works
  8. 8 Akiyuki UKAI Japan · #1,512,365 worldwide 19 citations · 25 works
  9. 9 Kenya TAKAHASHI Japan · #1,532,705 worldwide 10 citations · 17 works
  10. 10 Hiroshi SHINSHA Japan · #1,571,428 worldwide 9 citations · 16 works
All ranked researchers at Penta-Ocean Construction (Japan)

Which keywords describe research at Penta-Ocean Construction (Japan)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Risk Assessment, Liquefaction Resistance, Particle Shape Effects, Wireless Sensor Networks, Liquefaction, Tunnel, Remote Sensing and Sea-Level Rise.

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

All 12 words, with their numbers
  1. Climate Change1▲ 2.1×7 topics
  2. Remote Sensing1▲ 4.6×5 topics
  3. Risk Assessment1▲ 8.0×3 topics
  4. Liquefaction1▲ 50×2 topics
  5. Liquefaction Resistance1▲ 170×1 topic
  6. Particle Shape Effects1▲ 170×1 topic
  7. Tunnel1▲ 50×2 topics
  8. Wireless Sensor Networks1▲ 10×2 topics
  9. Ageing Population1▲ 100×1 topic
  10. Environmental Impact1▲ 2.4×6 topics
  11. Health Care Expenditure1▲ 100×1 topic
  12. Sea-Level Rise1▲ 36×2 topics

Which research topics does Penta-Ocean Construction (Japan) publish most on?

By volume in 2022–2025: Geotechnical Engineering and Soil Mechanics, Global Health Care Issues, Underwater Vehicles and Communication Systems and Maritime Navigation and Safety.

Geotechnical Engineering…1Geotechnical Engineering and Soil Mechanics: 1 fractional worksGlobal Health Care Issues1Global Health Care Issues: 1 fractional worksUnderwater Vehicles and …1Underwater Vehicles and Communication Systems: 1 fractional worksMaritime Navigation and …1Maritime Navigation and Safety: 1 fractional worksGeotechnical Engineering and Underground Structures: 1 fractional worksUnderwater Acoustics Research: 1 fractional worksCoastal and Marine Dynam…1Coastal and Marine Dynamics: 1 fractional worksGeotechnical Engineering…1Geotechnical Engineering and Soil Stabilization: 1 fractional worksMaritime Ports and Logis…0Maritime Ports and Logistics: 0 fractional worksConcrete Corrosion and D…0Concrete Corrosion and Durability: 0 fractional works
Civil and Structural EngineeringGeneral Health ProfessionsOcean EngineeringOceanography2 others

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

  1. 1 Geotechnical Engineering and Soil Mechanics Civil and Structural Engineering 1 works
  2. 2 Global Health Care Issues General Health Professions 1 works
  3. 3 Underwater Vehicles and Communication Systems Ocean Engineering 1 works
  4. 4 Maritime Navigation and Safety Ocean Engineering 1 works
  5. 5 Geotechnical Engineering and Underground Structures Civil and Structural Engineering 1 works
  6. 6 Underwater Acoustics Research Oceanography 1 works
  7. 7 Coastal and Marine Dynamics Earth-Surface Processes 1 works
  8. 8 Geotechnical Engineering and Soil Stabilization Civil and Structural Engineering 1 works
  9. 9 Maritime Ports and Logistics Industrial and Manufacturing Engineering 0 works
  10. 10 Concrete Corrosion and Durability Civil and Structural Engineering 0 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 available45.5%not open54.5%

World: 28% of research is openly available.

with international co-authors16.8%domestic only83.2%

World: 19% is written across borders.

How has Penta-Ocean Construction (Japan)'s research output changed?

Output in 2018–2022 was 0% 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.