Science Explorer Interactive view Map
Researcher · Gunma University · Japan

Hiroshi Koyama

Hiroshi Koyama publishes mostly in Oncology, Pulmonary and Respiratory Medicine and Electrical and Electronic Engineering, on topics such as Semiconductor materials and devices, Advancements in Semiconductor Devices and Circuit Design and Metal Forming Simulation Techniques.

World rank
#71,206
of 1,633,909 ranked researchers
Rank in Japan
#1,307
of 114,622
Works
105
Citations
419
Citations per work
4.0

What does Hiroshi Koyama research?

Oncology: 6.7%Pulmonary and Respiratory Medicine: 6.7%Electrical and Electronic Engineering: 6.7%Nutrition and Dietetics: 5.8%other fields: 74.1%7%top field
Oncology6.7%Pulmonary and Respiratory Medicine6.7%Electrical and Electronic Engineering6.7%Nutrition and Dietetics5.8%other fields74.1%

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

  1. 1Oncology7% of their works
  2. 2Pulmonary and Respiratory Medicine7% of their works
  3. 3Electrical and Electronic Engineering7% of their works
  4. 4Nutrition and Dietetics6% of their works
  5. 5Surgery6% of their works
  6. 6Mechanical Engineering6% of their works

Research topics

Which keywords describe Hiroshi Koyama's research?

The keywords of their largest research topics: Atomic Layer Deposition, Ductile Fracture, Dynamic Recrystallization, High-k Dielectrics, Hot Deformation, Nanowire Transistors, Sheet Metal Forming and Tunnel Field-Effect Transistors.

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 Deposition31 topic
  2. Ductile Fracture31 topic
  3. Dynamic Recrystallization31 topic
  4. High-k Dielectrics31 topic
  5. Hot Deformation31 topic
  6. Nanowire Transistors31 topic
  7. Sheet Metal Forming31 topic
  8. Tunnel Field-Effect Transistors31 topic
  9. Chemical Mechanical Planarization21 topic
  10. Cryogenic Treatment21 topic
  11. Failure Analysis21 topic
  12. Integrated Circuits21 topic
  13. Material Removal Mechanism21 topic
  14. Metal Toxicity21 topic
  15. Microstructure21 topic
  16. Oxidative Stress21 topic

Where does Hiroshi Koyama work?

Hiroshi Koyama's main affiliation in the publication record is Gunma University, Japan.

How many publications and citations does Hiroshi Koyama have?

Science Explorer counts 105 works and 419 citations for Hiroshi Koyama, ranking #71,206 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.