The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Jun Koyama sits on this spectrum.
This scientist: 332 publications — 64th percentile
64% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,065 publications or more.
The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Jun Koyama sits on this spectrum.
This scientist: 60 D-Index — 77th percentile
77% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 111 D-Index or more.
Jun Koyama is affiliated with Toshiba in Japan and has a significant publication record in the field of medicine. Their research predominantly focuses on surgery, pulmonary and respiratory medicine, oncology, gastroenterology, and nephrology, with a particular emphasis on gastrointestinal cancers and associated treatments.
The main topics addressed in their work include:
Their recent publications demonstrate a focus on gastric cancer and metastasis mechanisms, including:
Koyama frequently collaborates with several researchers in the field. Their most common coauthors include:
Their work is often published in venues such as:
Jun Koyama's contributions encompass a wide range of clinically relevant topics in digestive system cancers, particularly gastric cancer, involving tumor progression, metastasis, and treatment response prediction.
Takeshi Osada;Kengo Akimoto;Takehisa Sato;Masataka Ikeda
Jun Koyama;Kazutaka Inukai;Shunpei Yamazaki;Mai Osada
Shunpei Yamazaki;Jun Koyama;Kunitaka Yamamoto;Toshimitsu Konuma
Shunpei Yamazaki;Jun Koyama;Yoshitaka Yamamoto;Kenji Okamoto
Kenji Fukunaga;Jun Koyama;Hiroshi Shibata;Shunpei Yamazaki
Kiyoshi Kato;Jun Koyama
Shunpei Yamazaki;Satoshi Teramoto;Jun Koyama;Yasushi Ogata
Kazutaka Inukai;Jun Koyama
Kiyoshi Kato;Yutaka Shionoiri;Yusuke Sekine;Kazuma Furutani
Shunpei Yamazaki;Jun Koyama;Toru Takayama
Hongyong Zhang
Masahiko Hayakawa;Jun Koyama;Aya Miyazaki;Mitsuaki Osame
Shunpei Yamazaki;Akiharu Miyanaga;Jun Koyama;Takeshi Fukunaga
Jun Koyama;Mitsuaki Osame
Ryota Fukumoto;Hajime Kimura;Jun Koyama;Mitsuaki Osame
Shunpei Yamazaki;Jun Koyama;Kiyoshi Kato
Shunpei Yamazaki;Jun Koyama;Masashi Tsubuku;Kosei Noda
Shunpei Yamazaki;Jun Koyama;Hideomi Suzawa;Koji Ono
Seiko Amano;Hikaru Harada;Kengo Akimoto;Junichiro Sakata
Kenji Fukunaga;Kazutaka Inukai;Jun Koyama;Shunpei Yamazaki
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