Toshifumi� Ohkusa

138 papers and 5.7k indexed citations i.

About

Toshifumi� Ohkusa is a scholar working on Surgery, Molecular Biology and Epidemiology. According to data from OpenAlex, Toshifumi� Ohkusa has authored 138 papers receiving a total of 5.7k indexed citations (citations by other indexed papers that have themselves been cited), including 57 papers in Surgery, 41 papers in Molecular Biology and 41 papers in Epidemiology. Recurrent topics in Toshifumi� Ohkusa’s work include Helicobacter pylori-related gastroenterology studies (41 papers), Gut microbiota and health (34 papers) and Inflammatory Bowel Disease (30 papers). Toshifumi� Ohkusa is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (41 papers), Gut microbiota and health (34 papers) and Inflammatory Bowel Disease (30 papers). Toshifumi� Ohkusa collaborates with scholars based in Japan, United States and China. Toshifumi� Ohkusa's co-authors include Isao Okayasu, Masahiro Yamada, Rintaro NAKAYA, Shigeru Hatakeyama, Yoshio Inagaki, Nobuhiro Sato, Shigeo Koido, Hiroto Miwa, Akihito Nagahara and Mariko Hojo and has published in prestigious journals such as Annals of Internal Medicine, The Journal of Immunology and Gastroenterology.

In The Last Decade

Co-authorship network of co-authors of Toshifumi� Ohkusa i

Fields of papers citing papers by Toshifumi� Ohkusa

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Toshifumi� Ohkusa. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Toshifumi� Ohkusa. The network helps show where Toshifumi� Ohkusa may publish in the future.

Countries citing papers authored by Toshifumi� Ohkusa

Since Specialization
Citations

This map shows the geographic impact of Toshifumi� Ohkusa's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Toshifumi� Ohkusa with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Toshifumi� Ohkusa more than expected).

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar’s output or impact.

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