Seven Sophia University researchers have been recognized in the career-long category and six in the single recent year category of the Updated Science-wide Author Database of Standardized Citation Indicators. The comprehensive list, which identifies the world’s top 2% of scientists, was updated and published on September 19, 2025, by Stanford University and Elsevier.
The ranking is based on data from the Scopus citation database and covers scientists worldwide who have published at least five papers across 22 scientific fields and 174 subfields. Researchers are evaluated using a composite indicator that includes total citations (excluding self-citations), h-index, number of single-authored papers, and number of papers as first or last author, among other factors. Those ranked in the top 2% are recognized for their outstanding global research impact.
-Nobuhiro Suzuki Associate Professor, Department of Materials and Life Sciences
-Tetsufumi Hirano Professor, Department of Engineering and Applied Sciences
-Hiroshi Takahashi Professor, Department of Information and Communication Sciences
-Kenichi Takai Professor, Department of Engineering and Applied Sciences
-Masahiro Fujita Professor, Department of Materials and Life Sciences
-Masafumi Miyatake Professor, Department of Engineering and Applied Sciences
-Takayuki Arai Professor, Department of Information and Communication Sciences
※listed in the order of publication data
-Satoshi Horikoshi Professor, Department of Materials and Life Sciences
In addition to the current faculty members mentioned above, six emeritus professors, retired faculty members, and visiting professors were selected in the career-long category, and two in the single recent year category.
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Sophia University Researchers Ranked Among the World’s Top 2% in 2025