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Researcher · Chiba University · Japan

Hiromitsu Takayama

Hiromitsu Takayama publishes mostly in Pharmacology, Organic Chemistry and Biochemistry, on topics such as Alkaloids: synthesis and pharmacology, Traditional and Medicinal Uses of Annonaceae and Chemical synthesis and alkaloids.

World rank
#195,045
of 1,633,909 ranked researchers
Rank in Japan
#5,164
of 114,622
Works
107
Citations
371
Citations per work
3.5

What does Hiromitsu Takayama research?

Pharmacology: 28.8%Organic Chemistry: 22.4%Biochemistry: 14.4%Molecular Biology: 11.2%other fields: 23.2%29%top field
Pharmacology28.8%Organic Chemistry22.4%Biochemistry14.4%Molecular Biology11.2%other fields23.2%

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

  1. 1Pharmacology29% of their works
  2. 2Organic Chemistry22% of their works
  3. 3Biochemistry14% of their works
  4. 4Molecular Biology11% of their works
  5. 5Pharmacology6% of their works
  6. 6Plant Science6% of their works

Research topics

Which keywords describe Hiromitsu Takayama's research?

The keywords of their largest research topics: Alkaloids, Toxicology, Synthesis, Kratom, Mitragyna Speciosa, Biological Activities, Acetogenins and Annonaceae.

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 22 words, with their numbers
  1. Alkaloids442 topics
  2. Toxicology332 topics
  3. Synthesis322 topics
  4. Kratom301 topic
  5. Mitragyna Speciosa301 topic
  6. Biological Activities212 topics
  7. Acetogenins181 topic
  8. Annonaceae181 topic
  9. Amaryllidaceae141 topic
  10. Galanthamine141 topic
  11. Asymmetric Synthesis82 topics
  12. Organocatalysis82 topics
  13. Atropisomerism51 topic
  14. Axial Chirality51 topic
  15. Gesneriaceae41 topic
  16. phylogenetic reconstruction41 topic
  17. Acetylcholinesterase31 topic
  18. Chiral Catalysts31 topic
  19. Cholinesterase Inhibitors31 topic
  20. Enantioselective Reactions31 topic
  21. Medicinal Plants31 topic
  22. Phytochemistry31 topic

Where does Hiromitsu Takayama work?

Hiromitsu Takayama's main affiliation in the publication record is Chiba University, Japan.

How many publications and citations does Hiromitsu Takayama have?

Science Explorer counts 107 works and 371 citations for Hiromitsu Takayama, ranking #195,045 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.