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Researcher · Toshiba (Japan) · Japan

Hiroshi Koyama

Hiroshi Koyama publishes mostly in Electrical and Electronic Engineering, Insect Science and Atomic and Molecular Physics, and Optics, on topics such as Plant and animal studies, Insect and Pesticide Research and Bee Products Chemical Analysis.

World rank
#816,485
of 1,633,909 ranked researchers
Rank in Japan
#39,443
of 114,622
Works
29
Citations
29
Citations per work
1.0

What does Hiroshi Koyama research?

Electrical and Electronic Engineering: 20.0%Insect Science: 8.0%Atomic and Molecular Physics, and Optics: 8.0%Mechanical Engineering: 8.0%other fields: 56.0%20%top field
Electrical and Electronic Engineering20.0%Insect Science8.0%Atomic and Molecular Physics, and Optics8.0%Mechanical Engineering8.0%other fields56.0%

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

  1. 1Electrical and Electronic Engineering20% of their works
  2. 2Insect Science8% of their works
  3. 3Atomic and Molecular Physics, and Optics8% of their works
  4. 4Mechanical Engineering8% of their works
  5. 5Parasitology4% of their works
  6. 6Ecology, Evolution, Behavior and Systematics4% of their works

Research topics

Which keywords describe Hiroshi Koyama's research?

The keywords of their largest research topics: Atomic Layer Deposition, Avian Malaria, Ecosystem Services, Haemosporidian Parasites, High-k Dielectrics, Honey, Honey Bees and Microgrid.

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 16 words, with their numbers
  1. Atomic Layer Deposition11 topic
  2. Avian Malaria11 topic
  3. Ecosystem Services11 topic
  4. Haemosporidian Parasites11 topic
  5. High-k Dielectrics11 topic
  6. Honey11 topic
  7. Honey Bees11 topic
  8. Microgrid11 topic
  9. Molecular Structure11 topic
  10. Nanowire Transistors11 topic
  11. Neonicotinoids11 topic
  12. Pollinator Decline11 topic
  13. Propolis11 topic
  14. Protection11 topic
  15. Rotational Spectroscopy11 topic
  16. Tunnel Field-Effect Transistors11 topic

Where does Hiroshi Koyama work?

Hiroshi Koyama's main affiliation in the publication record is Toshiba (Japan), Japan.

How many publications and citations does Hiroshi Koyama have?

Science Explorer counts 29 works and 29 citations for Hiroshi Koyama, ranking #816,485 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 Hiroshi Koyama

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.