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Researcher · Teikoku Pharma (United States) · United States

Akio Hirai

Akio Hirai publishes mostly in Global and Planetary Change, Mechanics of Materials and Aquatic Science, on topics such as Hydrocarbon exploration and reservoir analysis, Atmospheric and Environmental Gas Dynamics and Aquaculture Nutrition and Growth.

OpenAlex
World rank
#4,670,190
of 7,710,434 ranked researchers
Rank in United States
#1,231,827
of 1,627,098
Works
26
Citations
456
Citations per work
17.5
h-index
11
i10-index 12Top 54% in Global and Planetary Change
Akio Hirai

What does Akio Hirai research?

Akio Hirai's work is mostly in Environmental Science (17%), Engineering (10%), Agricultural and Biological Sciences (8%).

Everything else: 14 works · 54.1% of their workPhysical Sciences: 8 works · 32.3% of their workEnvironmental Science: 4 works · 17.0% of their workGlobal and Planetary Change: 3 works · 11.9% of their workEnvironmental Chemistry: 1 works · 5.1% of their workEngineering: 3 works · 10.2% of their workMechanics of Materials: 3 works · 10.2% of their workComputer Science: 1 works · 5.1% of their workArtificial Intelligence: 1 works · 5.1% of their workLife Sciences: 4 works · 13.6% of their workAgricultural and Biological Sciences: 2 works · 8.5% of their workAquatic Science: 2 works · 8.5% of their workBiochemistry, Genetics and Molecular Biology: 1 works · 5.1% of their workPhysiology: 1 works · 5.1% of their workTHEIR WORKAkio Hirai26works
Life Sciences14%Physical Sciences32%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
  1. Everything else1454.1%
    1. Environmental Science417.0%
    2. Engineering310.2%
    3. Computer Science15.1%
    1. Agricultural and Biological Sciences28.5%
    2. Biochemistry, Genetics and Molecular Biology15.1%
  1. 1Global and Planetary Change12% of their works
  2. 2Mechanics of Materials10% of their works
  3. 3Aquatic Science8% of their works
  4. 4Artificial Intelligence5% of their works
  5. 5Physiology5% of their works
  6. 6Environmental Chemistry5% of their works

Research topics

Which keywords describe Akio Hirai's research?

The keywords of their largest research topics: Shale Gas, Mudstones, Pore Structure, Emissions, Methane, Anaerobic, Aquaculture and Climate Change.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 17 words, with their numbers
  1. Shale Gas102 topics
  2. Mudstones61 topic
  3. Pore Structure61 topic
  4. Emissions41 topic
  5. Methane41 topic
  6. Anaerobic31 topic
  7. Aquaculture31 topic
  8. Climate Change31 topic
  9. Machine Learning31 topic
  10. Methane Oxidation31 topic
  11. Mineral Prospectivity31 topic
  12. Nutrition31 topic
  13. Oogenesis31 topic
  14. Paleoclimatology31 topic
  15. Spermatogenesis31 topic
  16. Fish21 topic
  17. Length-Weight Relationships21 topic

Where does Akio Hirai work?

Akio Hirai's main affiliation in the publication record is Teikoku Pharma (United States), United States.

How many publications and citations does Akio Hirai have?

OpenAlex counts 26 works and 456 citations for Akio Hirai, an h-index of 11, ranking #4,670,190 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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