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Researcher · Tokyo Institute of Technology · Japan

FUMIO KOYAMA

FUMIO KOYAMA publishes mostly in Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Aerospace Engineering, on topics such as Semiconductor Lasers and Optical Devices, Semiconductor Quantum Structures and Devices and Military Technology and Strategies.

OpenAlex
World rank
#1,376,731
of 1,633,909 ranked researchers
Rank in Japan
#90,500
of 114,622
Works
325
Citations
0

What does FUMIO KOYAMA research?

Electrical and Electronic Engineering: 33.5%Atomic and Molecular Physics, and Optics: 17.7%Aerospace Engineering: 11.4%Sociology and Political Science: 11.1%other fields: 26.3%34%top field
Electrical and Electronic Engineering33.5%Atomic and Molecular Physics, and Optics17.7%Aerospace Engineering11.4%Sociology and Political Science11.1%other fields26.3%

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 Engineering34% of their works
  2. 2Atomic and Molecular Physics, and Optics18% of their works
  3. 3Aerospace Engineering11% of their works
  4. 4Sociology and Political Science11% of their works
  5. 5Transportation11% of their works
  6. 6Biomedical Engineering3% of their works

Research topics

Which keywords describe FUMIO KOYAMA's research?

The keywords of their largest research topics: Optical Interconnects, Semiconductor Lasers, Quantum Dots, Semiconductor, Air Force, 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 16 words, with their numbers
  1. Optical Interconnects801 topic
  2. Semiconductor Lasers801 topic
  3. Quantum Dots681 topic
  4. Semiconductor681 topic
  5. Air Force671 topic
  6. Culture671 topic
  7. Islam671 topic
  8. Legal Regulation671 topic
  9. Modernization671 topic
  10. Transport Policy671 topic
  11. Optical Modulators391 topic
  12. Silicon Photonics391 topic
  13. Coherent Detection281 topic
  14. Optical Fiber281 topic
  15. Spectroscopic Databases141 topic
  16. Terahertz Quantum-Cascade Lasers141 topic

Where does FUMIO KOYAMA work?

FUMIO KOYAMA's main affiliation in the publication record is Tokyo Institute of Technology, Japan.

How many publications and citations does FUMIO KOYAMA have?

Science Explorer counts 325 works and 0 citations for FUMIO KOYAMA, ranking #1,376,731 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 FUMIO KOYAMA

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