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Researcher · Saitama University · Japan

Tetsuo Koyama

Tetsuo Koyama publishes mostly in Molecular Biology, Plant Science and Ecology, Evolution, Behavior and Systematics, on topics such as Botany, Ecology, and Taxonomy Studies, Glycosylation and Glycoproteins Research and Carbohydrate Chemistry and Synthesis.

ORCID 0000-0002-0224-0994 OpenAlex
World rank
#1,359,283
of 1,633,909 ranked researchers
Rank in Japan
#88,895
of 114,622
Works
37
Citations
24
Citations per work
0.6

What does Tetsuo Koyama research?

Molecular Biology: 21.1%Plant Science: 15.8%Ecology, Evolution, Behavior and Systematics: 10.5%Organic Chemistry: 8.8%other fields: 43.8%21%top field
Molecular Biology21.1%Plant Science15.8%Ecology, Evolution, Behavior and Systematics10.5%Organic Chemistry8.8%other fields43.8%

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

  1. 1Molecular Biology21% of their works
  2. 2Plant Science16% of their works
  3. 3Ecology, Evolution, Behavior and Systematics10% of their works
  4. 4Organic Chemistry9% of their works
  5. 5Sociology and Political Science5% of their works
  6. 6Transportation5% of their works

Research topics

Which keywords describe Tetsuo Koyama's research?

The keywords of their largest research topics: Phylogeny, Antioxidant, Cyperus, Glycans, Glycosylation, Air Force, Culture and Glycosidase Inhibitors.

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 17 words, with their numbers
  1. Phylogeny72 topics
  2. Antioxidant51 topic
  3. Cyperus51 topic
  4. Glycans41 topic
  5. Glycosylation41 topic
  6. Air Force31 topic
  7. Culture31 topic
  8. Glycosidase Inhibitors31 topic
  9. Islam31 topic
  10. Legal Regulation31 topic
  11. Modernization31 topic
  12. Oligosaccharide Synthesis31 topic
  13. Transport Policy31 topic
  14. Apomixis21 topic
  15. Grasses21 topic
  16. Lupin Seeds21 topic
  17. Secondary Metabolites21 topic

Where does Tetsuo Koyama work?

Tetsuo Koyama's main affiliation in the publication record is Saitama University, Japan.

How many publications and citations does Tetsuo Koyama have?

Science Explorer counts 37 works and 24 citations for Tetsuo Koyama, ranking #1,359,283 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.

Other researchers named Tetsuo Koyama

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