Kohei Ishiyama

93 papers and 2.5k indexed citations i.

About

Kohei Ishiyama is a scholar working on Surgery, Hepatology and Epidemiology. According to data from OpenAlex, Kohei Ishiyama has authored 93 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Surgery, 37 papers in Hepatology and 23 papers in Epidemiology. Recurrent topics in Kohei Ishiyama’s work include Immune Cell Function and Interaction (17 papers), Organ Transplantation Techniques and Outcomes (16 papers) and Liver Disease and Transplantation (15 papers). Kohei Ishiyama is often cited by papers focused on Immune Cell Function and Interaction (17 papers), Organ Transplantation Techniques and Outcomes (16 papers) and Liver Disease and Transplantation (15 papers). Kohei Ishiyama collaborates with scholars based in Japan, United States and Switzerland. Kohei Ishiyama's co-authors include Hideki Ohdan, Toshimasa Asahara, Makoto Matsuoka, Tamio Saito, A. Nishimura, Motoyuki Ashikari, Hironori Itoh, Miyako Ueguchi‐Tanaka, Makoto Kobayashi and G. S. Khush and has published in prestigious journals such as Nature, Journal of Clinical Investigation and Blood.

In The Last Decade

Co-authorship network of co-authors of Kohei Ishiyama i

Fields of papers citing papers by Kohei Ishiyama

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Kohei Ishiyama

Since Specialization
Citations

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