The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Tadatoshi Takayama sits on this spectrum.
This scientist: 815 publications — 88th percentile
88% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,796 publications or more.
The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Tadatoshi Takayama sits on this spectrum.
This scientist: 101 D-Index — 61st percentile
61% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 217 D-Index or more.
Tadatoshi Takayama is affiliated with Nihon University in Japan and has a research focus primarily within the field of medicine. Their work spans several subfields including hepatology, surgery, epidemiology, oncology, and pulmonary and respiratory medicine.
The scientist's research covers a variety of topics with significant contributions to studies on hepatocellular carcinoma treatment and prognosis, liver disease diagnosis and treatment, cholangiocarcinoma and gallbladder cancer, pancreatic and hepatic oncology, liver disease and transplantation, gallbladder and bile duct disorders, as well as cancer related to lipids and metabolism.
Takayama has contributed to multiple papers over recent years. Notable publications include:
Frequent coauthors in Takayama's research include Tokio Higaki, Shintaro Yamazaki, Norihiro Kokudo, Nao Yoshida, and Hayato Abe.
Their publications are often found in key venues such as Hepatology Research, BioScience Trends, European Radiology, Surgery, and Journal of Clinical Oncology. These journals are known for their focus on clinical and translational research in digestive diseases and cancer treatment.
Tadatoshi Takayama's body of work encompasses 209 publications in medicine, with concentrated activity in hepatology (58 publications), surgery (46), and epidemiology (39). The scientist's research topics demonstrate an interdisciplinary approach, linking clinical surgery techniques with epidemiological data and oncology studies, thereby contributing to a broad understanding of liver-related diseases and cancers.
Hiroshi Imamura;Yutaka Matsuyama;Eiji Tanaka;Takao Ohkubo
M Makuuchi;B L Thai;K Takayasu;T Takayama
Tadatoshi Takayama;Teruaki Sekine;Masatoshi Makuuchi;Susumu Yamasaki
Hiroshi Imamura;Yasuji Seyama;Norihiro Kokudo;Atsushi Maema
Keiichi Kubota;Masatoshi Makuuchi;Koji Kusaka;Takashi Kobayashi
Masatoshi Makuuchi;Tomoo Kosuge;Tadatoshi Takayama;Susumu Yamazaki
Jordi Bruix;Tadatoshi Takayama;Vincenzo Mazzaferro;Gar Yang Chau
Masami Minagawa;Masatoshi Makuuchi;Guido Torzilli;Tadatoshi Takayama
Kiyoshi Hasegawa;Norihiro Kokudo;Hiroshi Imamura;Yutaka Matsuyama
Yasushi Totoki;Kenji Tatsuno;Kyle R. Covington;Hiroki Ueda
Masatoshi Kudo;Kazuho Imanaka;Nobuyuki Chida;Kohei Nakachi
Guido Torzilli;Jacques Belghiti;Norihiro Kokudo;Tadatoshi Takayama
T Takayama;T Kosuge;S Yamazaki;H Hasegawa
Guido Torzilli;Masatoshi Makuuchi;Kazuto Inoue;Tadatoshi Takayama
Masami Minagawa;Masatoshi Makuuchi;Tadatoshi Takayama;Norihiro Kokudo
Tadatoshi Takayama;Masatoshi Makuuchi;Setsuo Hirohashi;Michiie Sakamoto
Takashi Kokudo;Kiyoshi Hasegawa;Yutaka Matsuyama;Tadatoshi Takayama
Yasuji Seyama;Keiichi Kubota;Keiji Sano;Tamaki Noie
Norihiro Kokudo;Kiyoshi Hasegawa;Masaaki Akahane;Hiroshi Igaki
Norihiro Kokudo;Nobuyuki Takemura;Kiyoshi Hasegawa;Tadatoshi Takayama
If you think any of the details on this page are incorrect, let us know.
While studying Medicine in the USA is a rewarding path, there are also flexible alternatives for those interested in healthcare careers. Online programs allow students to advance their qualifications at their own pace and from any location.
If you are already a registered nurse, rn to bsn online programs without clinicals offer a streamlined way to earn a Bachelor of Science in Nursing, often without requiring additional hands-on training. For nurses aiming for leadership or specialized roles, the fastest dnp program options can accelerate your journey to a Doctor of Nursing Practice, allowing you to complete your advanced degree more quickly.
Students concerned about dissertation requirements can consider dnp programs without dissertation, which focus on practical, practice-based learning instead of lengthy academic projects. For those at the beginning of their healthcare journey, online lpn programs provide an accessible entry point into nursing, often with fast-track formats that help you begin your career sooner.
Exploring these online and fast-track options can help you find the right educational pathway, whether you’re just starting out or looking to advance your medical career.
TU Wien
University of Innsbruck
University of the West of England
Tsinghua University
University of Tokyo
Michigan State University
Brazilian Biosciences National Laboratory
Seoul National University
Institució Catalana de Recerca i Estudis Avançats
University of Bonn
University of Bern
Korea Advanced Institute of Science and Technology
Spanish National Research Council
Toyota Central Research and Development Laboratories (Japan)
Stanford University
Oregon Health & Science University
