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Researcher · Prefectural University of Hiroshima · Japan

Tadashi Koyama

Tadashi Koyama publishes mostly in Pulmonary and Respiratory Medicine, Electrical and Electronic Engineering and Transportation, on topics such as Military Technology and Strategies, Innovation in Digital Healthcare Systems and Linguistic, Cultural, and Literary Studies.

OpenAlex
World rank
#1,273,469
of 1,633,909 ranked researchers
Rank in Japan
#80,757
of 114,622
Works
36
Citations
27
Citations per work
0.8

What does Tadashi Koyama research?

Pulmonary and Respiratory Medicine: 8.8%Electrical and Electronic Engineering: 8.8%Transportation: 5.3%Developmental and Educational Psychology: 5.3%other fields: 71.8%9%top field
Pulmonary and Respiratory Medicine8.8%Electrical and Electronic Engineering8.8%Transportation5.3%Developmental and Educational Psychology5.3%other fields71.8%

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

  1. 1Pulmonary and Respiratory Medicine9% of their works
  2. 2Electrical and Electronic Engineering9% of their works
  3. 3Transportation5% of their works
  4. 4Developmental and Educational Psychology5% of their works
  5. 5Materials Chemistry5% of their works
  6. 6Surgery5% of their works

Research topics

Which keywords describe Tadashi Koyama's research?

The keywords of their largest research topics: Nanocrystals, Photovoltaics, Air Force, Culture, Healthcare, Islam, Legal Regulation and Modernization.

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. Nanocrystals42 topics
  2. Photovoltaics42 topics
  3. Air Force31 topic
  4. Culture31 topic
  5. Healthcare31 topic
  6. Islam31 topic
  7. Legal Regulation31 topic
  8. Modernization31 topic
  9. Ontology-based31 topic
  10. Transport Policy31 topic
  11. Big Data21 topic
  12. Bioimaging21 topic
  13. Data Analysis21 topic
  14. Efficiency21 topic
  15. Quantum Dots21 topic
  16. Thin-Film Solar Cells21 topic
  17. Epiphytes11 topic
  18. Ferns11 topic

Where does Tadashi Koyama work?

Tadashi Koyama's main affiliation in the publication record is Prefectural University of Hiroshima, Japan.

How many publications and citations does Tadashi Koyama have?

Science Explorer counts 36 works and 27 citations for Tadashi Koyama, ranking #1,273,469 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.