Norihiro Okada: h-index, Total Citations, and Citation Map
Norihiro Okada's h-index is 81 (227 i10-index, 22,171+ total citations across 378+ publications) according to Google Scholar as of June 2026. Norihiro Okada is affiliated with Kitasato University.
Norihiro Okada is a researcher affiliated with Kitasato University, specializing in molecular evolution. Their work has been cited 22,171 times. This profile visualizes their global influence, highlighting strong citation networks in United States.
Norihiro Okada's Citation Metrics
Bibliometric impact based on 378 indexed publications.
- H-Index
- 81
- i10-Index
- 227
- Total Citations
- 22,171
- Citing Countries
- 3
As of June 2026.
Norihiro Okada has an h-index of 81 and 22,171 total citations across 378 publications, with research cited by institutions in 3 countries.
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Speciation through sensory drive in cichlid fish
20081,289
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Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
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About Norihiro Okada's research
Norihiro Okada is a researcher in molecular evolution at Kitasato University. Their work has been cited 22,171 times across 378 publications (h-index 81), according to Google Scholar.
Their most-cited work, “Speciation through sensory drive in cichlid fish” (2008), has accumulated 1,289 citations. Other influential works include “The genomic substrate for adaptive radiation in African cichlid fish” (2014) with 1,153 citations and “Phylogenetic relationships among cetartiodactyls based on insertions of short and long interpersed elements: hippopotamuses are the closest extant relatives of whales” (1999) with 510 citations.
Citations of Norihiro Okada's research come primarily from United States, Austria and United Kingdom, reflecting international research impact. The interactive citation map above shows the full geographic distribution of the institutions citing this work.











