{"id":"https://openalex.org/A5086736596","orcid":"https://orcid.org/0000-0001-8404-8981","observed_orcids":["https://orcid.org/0000-0001-8404-8981"],"display_name":"Kyosuke Niwa","raw_author_names":["KYOSUKE NIWA","Kyosuke NIWA","Kyosuke Niwa"],"full_name":"Niwa, Kyosuke","works_count":55,"cited_by_count":979,"summary_stats":{"2yr_mean_citedness":1.8,"h_index":21,"i10_index":27},"ids":{"openalex":"https://openalex.org/A5086736596","orcid":"https://orcid.org/0000-0001-8404-8981","observed_orcids":["https://orcid.org/0000-0001-8404-8981"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1338124936","ror":"https://ror.org/03thb3e06","display_name":"American Museum of Natural History","country_code":"US","type":"archive","lineage":["https://openalex.org/I1338124936"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I4210162022","ror":"https://ror.org/05tqx4s13","display_name":"RIKEN Nishina Center","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210162022"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I4210163770","ror":"https://ror.org/053se7r61","display_name":"Natural History Museum and Institute","country_code":"JP","type":"archive","lineage":["https://openalex.org/I4210163770"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I4405257429","ror":"https://ror.org/058j0b191","display_name":"Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405257429"]},"years":[2018,2017,2016,2014,2013,2012,2011,2010,2009,2007,2006,2005,2004,2002]},{"institution":{"id":"https://openalex.org/I4405286855","ror":"https://ror.org/03amarv18","display_name":"Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheries, Fisheries Technology Center","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405257429","https://openalex.org/I4405286855"]},"years":[2018,2017,2016,2014,2013,2012,2011,2010,2009,2007,2006,2005,2004,2003,2002]},{"institution":{"id":"https://openalex.org/I4405287135","ror":"https://ror.org/04728jd48","display_name":"Kobe University Research Center for Inland Seas","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405287135","https://openalex.org/I65837984"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I48840829","ror":"https://ror.org/048nxq511","display_name":"Tokyo University of Marine Science and Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I48840829"]},"years":[2026,2025,2024,2023,2021,2020,2019,2018]},{"institution":{"id":"https://openalex.org/I64189623","ror":"https://ror.org/00f2txz25","display_name":"Kitasato University","country_code":"JP","type":"education","lineage":["https://openalex.org/I64189623"]},"years":[2009]}],"last_known_institutions":[{"id":"https://openalex.org/I48840829","ror":"https://ror.org/048nxq511","display_name":"Tokyo University of Marine Science and Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I48840829"]}],"topics":[{"id":"https://openalex.org/T10643","display_name":"Marine and coastal plant biology","count":50,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11879","display_name":"Protist diversity and phylogeny","count":28,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11390","display_name":"Seaweed-derived Bioactive Compounds","count":13,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12828","display_name":"Plant Genetic and Mutation Studies","count":12,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10012","display_name":"Genetic diversity and population structure","count":9,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10643","display_name":"Marine and coastal plant biology","value":0.0002255,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11879","display_name":"Protist diversity and phylogeny","value":0.0001375,"subfield":{"id":"https://openalex.org/subfields/1105","display_name":"Ecology, Evolution, Behavior and Systematics"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11390","display_name":"Seaweed-derived Bioactive Compounds","value":0.0001282,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12828","display_name":"Plant Genetic and Mutation Studies","value":0.0001208,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10476","display_name":"Algal biology and biofuel production","value":3.36e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9623053073883057},{"id":"559758991","wikidata":"https://www.wikidata.org/wiki/Q37868","display_name":"Algae","score":0.7371011972427368},{"id":"59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","score":0.687519371509552},{"id":"54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","score":0.5872717499732971},{"id":"104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","score":0.5258318185806274}],"counts_by_year":[{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":37},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":32},{"year":2014,"works_count":3,"oa_works_count":2,"cited_by_count":46},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":30},{"year":2017,"works_count":4,"oa_works_count":1,"cited_by_count":56},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":49},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":39},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":66},{"year":2021,"works_count":3,"oa_works_count":1,"cited_by_count":70},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":59},{"year":2023,"works_count":3,"oa_works_count":2,"cited_by_count":65},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":54},{"year":2025,"works_count":3,"oa_works_count":0,"cited_by_count":54},{"year":2026,"works_count":5,"oa_works_count":1,"cited_by_count":67}],"display_name_alternatives":["KYOSUKE NIWA","Kyosuke NIWA","Kyosuke Niwa"],"block_key":"k niwa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5086736596","awards_count":3,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5086736596","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}