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Researcher · Japan Agency for Marine-Earth Science and Technology · Japan

Hideaki Machiyama

Hideaki Machiyama publishes mostly in Environmental Chemistry, Geology and Aerospace Engineering, on topics such as Methane Hydrates and Related Phenomena, Military Technology and Strategies and Linguistic, Cultural, and Literary Studies.

OpenAlex
World rank
#708,240
of 1,633,909 ranked researchers
Rank in Japan
#31,624
of 114,622
Works
42
Citations
79
Citations per work
1.9

What does Hideaki Machiyama research?

Environmental Chemistry: 14.0%Geology: 10.5%Aerospace Engineering: 10.5%Sociology and Political Science: 10.5%other fields: 54.5%14%top field
Environmental Chemistry14.0%Geology10.5%Aerospace Engineering10.5%Sociology and Political Science10.5%other fields54.5%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Environmental Chemistry14% of their works
  2. 2Geology10% of their works
  3. 3Aerospace Engineering10% of their works
  4. 4Sociology and Political Science10% of their works
  5. 5Transportation10% of their works
  6. 6Geophysics9% of their works

Research topics

Which keywords describe Hideaki Machiyama's research?

The keywords of their largest research topics: Anaerobic, Methane Oxidation, Air Force, Continental Margin, Crustal Structure, Culture, Islam and Legal Regulation.

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.

All 18 words, with their numbers
  1. Anaerobic81 topic
  2. Methane Oxidation81 topic
  3. Air Force61 topic
  4. Continental Margin62 topics
  5. Crustal Structure62 topics
  6. Culture61 topic
  7. Islam61 topic
  8. Legal Regulation61 topic
  9. Modernization61 topic
  10. Transport Policy61 topic
  11. Cenozoic Evolution41 topic
  12. Climate Change41 topic
  13. Paleoclimatology41 topic
  14. Plate Tectonics41 topic
  15. Manganese Oxides31 topic
  16. Rare Earth Elements31 topic
  17. Arctic21 topic
  18. geology21 topic

Where does Hideaki Machiyama work?

Hideaki Machiyama's main affiliation in the publication record is Japan Agency for Marine-Earth Science and Technology, Japan.

How many publications and citations does Hideaki Machiyama have?

Science Explorer counts 42 works and 79 citations for Hideaki Machiyama, ranking #708,240 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised 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 are in the interactive view on the map. Is this your page? Request a correction or removal.