Akihiko Usui

249 papers and 2.8k indexed citations i.

About

Akihiko Usui is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Akihiko Usui has authored 249 papers receiving a total of 2.8k indexed citations (citations by other indexed papers that have themselves been cited), including 131 papers in Cardiology and Cardiovascular Medicine, 117 papers in Surgery and 116 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Akihiko Usui’s work include Aortic Disease and Treatment Approaches (93 papers), Cardiac Valve Diseases and Treatments (78 papers) and Aortic aneurysm repair treatments (60 papers). Akihiko Usui is often cited by papers focused on Aortic Disease and Treatment Approaches (93 papers), Cardiac Valve Diseases and Treatments (78 papers) and Aortic aneurysm repair treatments (60 papers). Akihiko Usui collaborates with scholars based in Japan, Canada and United States. Akihiko Usui's co-authors include Yuichi Ueda, Hideki Oshima, Yuji Narita, Yoshiyuki Tokuda, Toshio Abe, Toshiaki Akita, Mitsuya Murase, Eiji Takeuchi, Yoshimori Araki and Masato Mutsuga and has published in prestigious journals such as Circulation, Scientific Reports and Radiology.

In The Last Decade

Co-authorship network of co-authors of Akihiko Usui i

Fields of papers citing papers by Akihiko Usui

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Akihiko Usui

Since Specialization
Citations

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