Naoki Hiki

241 papers and 6.4k indexed citations
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About

Naoki Hiki is a scholar working on Pulmonary and Respiratory Medicine, Surgery and Gastroenterology. According to data from OpenAlex, Naoki Hiki has authored 241 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 196 papers in Pulmonary and Respiratory Medicine, 131 papers in Surgery and 107 papers in Gastroenterology. Recurrent topics in Naoki Hiki’s work include Gastric Cancer Management and Outcomes (182 papers), Metastasis and carcinoma case studies (101 papers) and Gastrointestinal Tumor Research and Treatment (96 papers). Naoki Hiki is often cited by papers focused on Gastric Cancer Management and Outcomes (182 papers), Metastasis and carcinoma case studies (101 papers) and Gastrointestinal Tumor Research and Treatment (96 papers). Naoki Hiki collaborates with scholars based in Japan, China and United States. Naoki Hiki's co-authors include Souya Nunobe, Toshiharu Yamaguchi, Takeshi Sano, Tetsu Fukunaga, Shigekazu Ohyama, Masanori Tokunaga, Koshi Kumagai, Manabu Ohashi, Yasuyuki Seto and Michio Kaminishi and has published in prestigious journals such as Journal of Clinical Oncology, PLoS ONE and Annals of Surgery.

In The Last Decade

Co-authorship network of co-authors of Naoki Hiki

This figure shows the co-authorship network connecting the top 25 collaborators of Naoki Hiki. A scholar is included among the top collaborators of Naoki Hiki based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Naoki Hiki. Naoki Hiki is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

Naoki Hiki

227 papers receiving 6.0k citations

Fields of papers citing papers by Naoki Hiki

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Naoki Hiki

Since Specialization
Citations

This map shows the geographic impact of Naoki Hiki'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 Naoki Hiki with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Naoki Hiki 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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2026