Ryuichi Sugiyama

34 papers and 725 indexed citations i.

About

Ryuichi Sugiyama is a scholar working on Hepatology, Molecular Biology and Epidemiology. According to data from OpenAlex, Ryuichi Sugiyama has authored 34 papers receiving a total of 725 indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Hepatology, 14 papers in Molecular Biology and 13 papers in Epidemiology. Recurrent topics in Ryuichi Sugiyama’s work include HIV Research and Treatment (10 papers), Hepatitis C virus research (10 papers) and Hepatitis B Virus Studies (10 papers). Ryuichi Sugiyama is often cited by papers focused on HIV Research and Treatment (10 papers), Hepatitis C virus research (10 papers) and Hepatitis B Virus Studies (10 papers). Ryuichi Sugiyama collaborates with scholars based in Japan, United States and South Korea. Ryuichi Sugiyama's co-authors include Hiroshi Takaku, Takaji Wakita, Hironori Nishitsuji, Masamichi Muramatsu, Ryosuke Suzuki, Akihide Ryo, Koji Ishii, Sam‐Yong Park, Mio Ohki and Ji-Hye Yun and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Nucleic Acids Research and Journal of Biological Chemistry.

In The Last Decade

Co-authorship network of co-authors of Ryuichi Sugiyama i

Fields of papers citing papers by Ryuichi Sugiyama

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Ryuichi Sugiyama

Since Specialization
Citations

This map shows the geographic impact of Ryuichi Sugiyama'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 Ryuichi Sugiyama with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ryuichi Sugiyama 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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2025