Tadao Okada

88 papers and 797 indexed citations
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About

Tadao Okada is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Tadao Okada has authored 88 papers receiving a total of 797 indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Surgery, 18 papers in Pulmonary and Respiratory Medicine and 12 papers in Epidemiology. Recurrent topics in Tadao Okada’s work include Pediatric Hepatobiliary Diseases and Treatments (16 papers), Intestinal Malrotation and Obstruction Disorders (11 papers) and Gallbladder and Bile Duct Disorders (10 papers). Tadao Okada is often cited by papers focused on Pediatric Hepatobiliary Diseases and Treatments (16 papers), Intestinal Malrotation and Obstruction Disorders (11 papers) and Gallbladder and Bile Duct Disorders (10 papers). Tadao Okada collaborates with scholars based in Japan, United States and Canada. Tadao Okada's co-authors include Satoru Todo, Naomi Ohnuma, Fumiaki Sasaki, Tadashi Matsunaga, Katsunori Kouchi, Yasuhiro Ohtsuka, Hideo Yoshida, F Sasaki, Hideo Yoshida and Kazutoshi Cho and has published in prestigious journals such as JAMA, Gastroenterology and Archives of Disease in Childhood.

In The Last Decade

Co-authorship network of co-authors of Tadao Okada

This figure shows the co-authorship network connecting the top 25 collaborators of Tadao Okada. A scholar is included among the top collaborators of Tadao Okada 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 Tadao Okada. Tadao Okada is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

Fields of papers citing papers by Tadao Okada

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Tadao Okada

Since Specialization
Citations

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