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in (world ranking)
Isa Okajima
Joined May 2026
Tokyo Kasei University · Sleep medicine specialty
Top 1% Japan expert in Dyssomnias, Sleep Wake Disorders
Isa Okajima is an expert in Sleep medicine specialty at Tokyo Kasei University (Japan). As of October 2026, ScienceLeadR ranks Isa Okajima in the top 1% of experts in Japan for Dyssomnias and Sleep Wake Disorders. Isa Okajima has authored 99 publications, the most recent in 2026. SLR score: 286 (community average: 125). How the SLR is computed.
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