Kenji Koyama
Kenji Koyama publishes mostly in Surgery, Pulmonary and Respiratory Medicine and Hepatology, on topics such as Liver Disease and Transplantation, Pancreatic and Hepatic Oncology Research and Gastric Cancer Management and Outcomes.
- World rank
- #552,801 of 1,633,909 ranked researchers
- Rank in Japan
- #21,738 of 114,622
- Works
- 71
- Citations
- 128
- Citations per work
- 1.8
What does Kenji Koyama research?
Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.
- 1Surgery21% of their works
- 2Pulmonary and Respiratory Medicine13% of their works
- 3Hepatology12% of their works
- 4Artificial Intelligence10% of their works
- 5Epidemiology6% of their works
- 6Molecular Biology4% of their works
Research topics
Which keywords describe Kenji Koyama's research?
The keywords of their largest research topics: Chemotherapy, Clinical Practice Guidelines, Hepatic Encephalopathy, Liver Cirrhosis, Endoscopic Resection, Gastric Cancer, Pancreatic Cancer and Surgical Complications.
- Metastatic Carcinomas
- Liver Cancer
- Homomorphic Encryption
- Error-Correcting Codes
- Cryptanalysis
- Surgical Complications
- Gastric Cancer
- Liver Cirrhosis
- Clinical Practice Guidelines
- Chemotherapy
- Hepatic Encephalopathy
- Endoscopic Resection
- Pancreatic Cancer
- Block Ciphers
- Cryptography
- Hepatocellular Carcinoma
- Identity-Based Encryption
- Lung Tumors
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
- Chemotherapy82 topics
- Clinical Practice Guidelines72 topics
- Hepatic Encephalopathy61 topic
- Liver Cirrhosis61 topic
- Endoscopic Resection41 topic
- Gastric Cancer41 topic
- Pancreatic Cancer41 topic
- Surgical Complications41 topic
- Block Ciphers31 topic
- Cryptanalysis31 topic
- Cryptography31 topic
- Error-Correcting Codes31 topic
- Hepatocellular Carcinoma31 topic
- Homomorphic Encryption31 topic
- Identity-Based Encryption31 topic
- Liver Cancer31 topic
- Lung Tumors31 topic
- Metastatic Carcinomas31 topic
Where does Kenji Koyama work?
Kenji Koyama's main affiliation in the publication record is Akita University, Japan.
How many publications and citations does Kenji Koyama have?
Science Explorer counts 71 works and 128 citations for Kenji Koyama, ranking #552,801 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 Kenji Koyama
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