Koichi Ohshima

554 papers and 13.6k indexed citations i.

About

Koichi Ohshima is a scholar working on Pathology and Forensic Medicine, Immunology and Oncology. According to data from OpenAlex, Koichi Ohshima has authored 554 papers receiving a total of 13.6k indexed citations (citations by other indexed papers that have themselves been cited), including 278 papers in Pathology and Forensic Medicine, 246 papers in Immunology and 224 papers in Oncology. Recurrent topics in Koichi Ohshima’s work include Lymphoma Diagnosis and Treatment (267 papers), T-cell and Retrovirus Studies (144 papers) and Viral-associated cancers and disorders (144 papers). Koichi Ohshima is often cited by papers focused on Lymphoma Diagnosis and Treatment (267 papers), T-cell and Retrovirus Studies (144 papers) and Viral-associated cancers and disorders (144 papers). Koichi Ohshima collaborates with scholars based in Japan, United States and China. Koichi Ohshima's co-authors include Masahiro Kikuchi, Junji Suzumiya, Hiroaki Miyoshi, Kennosuke Karube, Yasuo Sugita, Daisuke Niino, Shigeo Nakamura, Fumiko Arakawa, Shigeo Nakamura and Masao Seto and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Clinical Oncology and Blood.

In The Last Decade

Co-authorship network of co-authors of Koichi Ohshima i

Fields of papers citing papers by Koichi Ohshima

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Koichi Ohshima. 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 Koichi Ohshima. The network helps show where Koichi Ohshima may publish in the future.

Countries citing papers authored by Koichi Ohshima

Since Specialization
Citations

This map shows the geographic impact of Koichi Ohshima'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 Koichi Ohshima with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Koichi Ohshima 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.

Explore authors with similar magnitude of impact

Rankless by CCL
2025