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Takashi Koyama

Takashi Koyama publishes mostly in Surgery, Radiology, Nuclear Medicine and Imaging and Pulmonary and Respiratory Medicine, on topics such as Hepatocellular Carcinoma Treatment and Prognosis, Gastric Cancer Management and Outcomes and Cancer, Hypoxia, and Metabolism.

World rank
#959,436
of 1,633,909 ranked researchers
Rank in Japan
#51,435
of 114,622
Works
35
Citations
29
Citations per work
0.8

What does Takashi Koyama research?

Surgery: 20.9%Radiology, Nuclear Medicine and Imaging: 7.0%Pulmonary and Respiratory Medicine: 7.0%Hepatology: 4.7%other fields: 60.4%21%top field
Surgery20.9%Radiology, Nuclear Medicine and Imaging7.0%Pulmonary and Respiratory Medicine7.0%Hepatology4.7%other fields60.4%

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

  1. 1Surgery21% of their works
  2. 2Radiology, Nuclear Medicine and Imaging7% of their works
  3. 3Pulmonary and Respiratory Medicine7% of their works
  4. 4Hepatology5% of their works
  5. 5Rheumatology5% of their works
  6. 6Oncology5% of their works

Research topics

Which keywords describe Takashi Koyama's research?

The keywords of their largest research topics: Clinical Practice Guidelines, Chemotherapy, Gastric Cancer, Hepatocellular Carcinoma, Liver Cancer, Chiral Separation, endothelial progenitor cells and Green Analytical Chemistry.

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 17 words, with their numbers
  1. Clinical Practice Guidelines42 topics
  2. Chemotherapy21 topic
  3. Gastric Cancer21 topic
  4. Hepatocellular Carcinoma21 topic
  5. Liver Cancer21 topic
  6. Chiral Separation11 topic
  7. Green Analytical Chemistry11 topic
  8. HIF-111 topic
  9. Inertial Navigation Systems11 topic
  10. Liquid Chromatography11 topic
  11. Nanosensors11 topic
  12. Nanowire11 topic
  13. Pharmaceutical Analysis11 topic
  14. Sensor Fusion11 topic
  15. VEGF11 topic
  16. Warburg Effect11 topic
  17. endothelial progenitor cells11 topic

Where does Takashi Koyama work?

Takashi Koyama's main affiliation in the publication record is Odawara Municipal Hospital, Japan.

How many publications and citations does Takashi Koyama have?

Science Explorer counts 35 works and 29 citations for Takashi Koyama, ranking #959,436 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 Takashi 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.