The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Chisei Ra sits on this spectrum.
This scientist: 259 publications — 69th percentile
69% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,028 publications or more.
The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Chisei Ra sits on this spectrum.
This scientist: 62 D-Index — 46th percentile
46% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 167 D-Index or more.
Chisei Ra is affiliated with Nihon University in Japan and conducts research primarily in the field of Medicine, with a significant focus on Surgery and Oncology. Their scholarly output includes 360 publications within Medicine, of which 118 pertain to Surgery and 75 to Oncology. Additional subfields of study include Pulmonary and Respiratory Medicine, Cardiology and Cardiovascular Medicine, and Biomedical Engineering.
Their research topics cover several areas including colorectal cancer surgical treatments, surgical simulation and training, cardiac, anesthesia and surgical outcomes, abdominal surgery and complications, colorectal cancer screening and detection, infection control and ventilation, and the impacts of COVID-19 on healthcare.
Chisei Ra's recent publications demonstrate involvement in various aspects of surgical methods and assessment. Notable papers include:
Frequent co-authors collaborating with Chisei Ra include Mohammad Faraz Khan, Jeffrey Dalli, Niall Hardy, Alice Moynihan, and Philip D. McEntee.
The scientist's work is often published in journals specialized in colorectal and surgical disciplines. The main publication venues are:
Chisei Ra's research covers applied and clinical aspects of surgery with interest in improving surgical techniques, educational tools for surgical video assessment, perfusion imaging interpretation, and the role of artificial intelligence in intra-operative tissue classification. The publications also reflect engagement with health care challenges linked to COVID-19 and its effects on surgical treatment pathways.
Daisuke Fujisawa;Jun Ichi Kashiwakura;Hirohito Kita;Yusuke Kikukawa
Masao Yamaguchi;Koichi Sayama;Koji Yano;Chris S. Lantz
Volaluck Supajatura;Hiroko Ushio;Akihiro Wada;Kinnosuke Yahiro
Ryoji Ito;Takeshi Takahashi;Ikumi Katano;Kenji Kawai
Wenbin Xiao;Hajime Nishimoto;Hong Hong;Jiro Kitaura
Yoshihiro Suzuki;Tetsuro Yoshimaru;Takashi Matsui;Toshio Inoue
Yan Xiu;Kazuhiro Nakamura;Masaaki Abe;Na Li
Yukinori Enomoto;Kanami Orihara;Tetsuya Takamasu;Akio Matsuda
Naoki Kajiwara;Tomomi Sasaki;Peter Bradding;Glenn Cruse
Yasuko Furumoto;Satoshi Nunomura;Tomoyoshi Terada;Juan Rivera
Yasuhiro Gon;Yasukiyo Asai;Shu Hashimoto;Kenji Mizumura
Yoshitaka Taketomi;Yoshitaka Taketomi;Noriko Ueno;Takumi Kojima;Hiroyasu Sato;Hiroyasu Sato
Y. Okayama;S. Okumura;H. Sagara;K. Yuki
Tatsuo Nishioka;Shunji Tomatsu;Monica A. Gutierrez;Ken-ichi Miyamoto
Yoshihiro Suzuki;Tetsuro Yoshimaru;Toshio Inoue;Osamu Niide
Richard A. Cahill;Deborah Wenkert;Sharon A. Perlman;Ann Steele
Yuko Hatada;Jun-ichi Kashiwakura;Koremasa Hayama;Daisuke Fujisawa
Hong Hong;Jiro Kitaura;Wenbin Xiao;Vaclav Horejsi
Masanari Hasegawa;Chiharu Nishiyama;Makoto Nishiyama;Yushiro Akizawa
T. Suda;Y. Suzuki;T. Matsui;T. Inoue
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