{"id":"https://openalex.org/A5113538322","orcid":null,"observed_orcids":[],"display_name":"Takashi Yamagishi","raw_author_names":["TAKASHI YAMAGISHI","Takashi YAMAGISHI","Takashi Yamagishi","Yamagishi, Takashi"],"full_name":"Takashi Yamagishi Takashi Yamagishi","works_count":87,"cited_by_count":2495,"summary_stats":{"2yr_mean_citedness":0.3333333333333333,"h_index":27,"i10_index":47},"ids":{"openalex":"https://openalex.org/A5113538322","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I104946051","ror":"https://ror.org/05jk51a88","display_name":"Nihon University","country_code":"JP","type":"education","lineage":["https://openalex.org/I104946051"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I114027177","ror":"https://ror.org/0130frc33","display_name":"University of North Carolina at Chapel Hill","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]},"years":[1998,1992,1989,1988]},{"institution":{"id":"https://openalex.org/I114838220","ror":"https://ror.org/00dnbtf70","display_name":"Niigata University of Pharmacy and Medical and Life Sciences","country_code":"JP","type":"education","lineage":["https://openalex.org/I114838220"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I129923673","ror":"https://ror.org/02zme4e72","display_name":"JEOL (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I129923673"]},"years":[1973]},{"institution":{"id":"https://openalex.org/I135598925","ror":"https://ror.org/00p4k0j84","display_name":"Kyushu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]},"years":[1988,1987]},{"institution":{"id":"https://openalex.org/I161296585","ror":"https://ror.org/05sj3n476","display_name":"Tokyo University of Science","country_code":"JP","type":"education","lineage":["https://openalex.org/I161296585"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I197065826","ror":"https://ror.org/00088z429","display_name":"Kobe Pharmaceutical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I197065826"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I205349734","ror":"https://ror.org/02e16g702","display_name":"Hokkaido University","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]},"years":[1988,1976,1973,1972]},{"institution":{"id":"https://openalex.org/I25846049","ror":"https://ror.org/00zdnkx70","display_name":"National Tsing Hua University","country_code":"TW","type":"education","lineage":["https://openalex.org/I25846049"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I25998863","ror":"https://ror.org/01ytgve10","display_name":"Kyoto Pharmaceutical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I25998863"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I27650515","ror":"https://ror.org/018v0zv10","display_name":"Kobe Gakuin University","country_code":"JP","type":"education","lineage":["https://openalex.org/I27650515"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I31784960","ror":"https://ror.org/04nt8b154","display_name":"Fukuoka University","country_code":"JP","type":"education","lineage":["https://openalex.org/I31784960"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I4210158475","ror":"https://ror.org/050hwd209","display_name":"Hokkaido Institute of Public Health","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210158475"]},"years":[1988,1987,1985,1984,1980,1976]},{"institution":{"id":"https://openalex.org/I43777268","ror":"https://ror.org/058h74p94","display_name":"Nagasaki University","country_code":"JP","type":"education","lineage":["https://openalex.org/I43777268"]},"years":[1995]},{"institution":{"id":"https://openalex.org/I4405264152","ror":"https://ror.org/0149ma780","display_name":"Harunire BIO Laboratory (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405264152"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[1971]},{"institution":{"id":"https://openalex.org/I922474255","ror":"https://ror.org/044vy1d05","display_name":"Tokushima University","country_code":"JP","type":"education","lineage":["https://openalex.org/I922474255"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I98957242","ror":"https://ror.org/05wks2t16","display_name":"Kitami Institute of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I4405287286","https://openalex.org/I98957242"]},"years":[2025,2024,2023,2020,2017,2015,2014,2013,2010,2008,2007,2006,2005,2003,2002,2001]}],"last_known_institutions":[{"id":"https://openalex.org/I98957242","ror":"https://ror.org/05wks2t16","display_name":"Kitami Institute of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I4405287286","https://openalex.org/I98957242"]}],"topics":[{"id":"https://openalex.org/T11613","display_name":"Phytochemistry and Biological Activities","count":40,"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/T11385","display_name":"Natural product bioactivities and synthesis","count":16,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13719","display_name":"Phytochemistry and Bioactivity Studies","count":15,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13817","display_name":"Tannin, Tannase and Anticancer Activities","count":15,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12215","display_name":"Phytochemical Studies and Bioactivities","count":12,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13817","display_name":"Tannin, Tannase and Anticancer Activities","value":0.0008675,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13719","display_name":"Phytochemistry and Bioactivity Studies","value":0.0007721,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13322","display_name":"Hibiscus Plant Research Studies","value":0.0003148,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13185","display_name":"Phytochemistry and Bioactive Compounds","value":0.0002457,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11385","display_name":"Natural product bioactivities and synthesis","value":0.0001628,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9829931855201721},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.7684482336044312},{"id":"59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","score":0.7144932746887207},{"id":"71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","score":0.6378072500228882},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.5827741622924805}],"counts_by_year":[{"year":1971,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1972,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":1973,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1976,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1983,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1984,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1988,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":101},{"year":2013,"works_count":3,"oa_works_count":1,"cited_by_count":84},{"year":2014,"works_count":9,"oa_works_count":8,"cited_by_count":97},{"year":2015,"works_count":3,"oa_works_count":3,"cited_by_count":94},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":97},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":80},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":74},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":67},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":95},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":93},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":108},{"year":2023,"works_count":3,"oa_works_count":2,"cited_by_count":97},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":97},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":69},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":53}],"display_name_alternatives":["TAKASHI YAMAGISHI","Takashi YAMAGISHI","Takashi Yamagishi","Yamagishi, Takashi"],"block_key":"t yamagishi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113538322","awards_count":1,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5113538322","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
