{"id":"https://openalex.org/A5113498080","orcid":null,"observed_orcids":[],"display_name":"Takao Sakamoto","raw_author_names":["TAKAO SAKAMOTO","Takao SAKAMOTO","Takao Sakamoto","\u5742\u672c, \u5c1a\u592b","\u5c1a\u592b \u5742\u672c"],"full_name":"TAKAO SAKAMOTO","works_count":301,"cited_by_count":8941,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":52,"i10_index":178},"ids":{"openalex":"https://openalex.org/A5113498080","orcid":null,"observed_orcids":[]},"affiliations":[{"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":[1980]},{"institution":{"id":"https://openalex.org/I150468666","ror":"https://ror.org/03czfpz43","display_name":"Emory University","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]},"years":[2007]},{"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":[1977,1976]},{"institution":{"id":"https://openalex.org/I201537933","ror":"https://ror.org/01dq60k83","display_name":"Tohoku University","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]},"years":[2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1994,1993,1992,1991,1990,1989,1988,1987,1986,1985,1984,1983,1982,1981,1980,1979,1978,1977,1976,1975,1974]},{"institution":{"id":"https://openalex.org/I203765153","ror":"https://ror.org/03hv1ad10","display_name":"Akita University","country_code":"JP","type":"education","lineage":["https://openalex.org/I203765153"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I22299242","ror":"https://ror.org/02kpeqv85","display_name":"Kyoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]},"years":[1990,1989,1988,1987]},{"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":[1982,1980]},{"institution":{"id":"https://openalex.org/I4210110652","ror":"https://ror.org/01sjwvz98","display_name":"RIKEN","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652"]},"years":[2007,2006]},{"institution":{"id":"https://openalex.org/I4210118477","ror":"https://ror.org/01v3bqg10","display_name":"Shionogi (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210118477"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I4210133125","ror":"https://ror.org/033y26782","display_name":"Mitsubishi Electric (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I4210133125"]},"years":[1994,1993]},{"institution":{"id":"https://openalex.org/I4210150228","ror":"https://ror.org/05cbf4214","display_name":"Nippon Kayaku (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210150228"]},"years":[1984,1983,1980]},{"institution":{"id":"https://openalex.org/I4405286139","ror":"https://ror.org/017qp9z94","display_name":"Institute of Multidisciplinary Research for Advanced Materials, Tohoku University","country_code":"JP","type":"facility","lineage":["https://openalex.org/I201537933","https://openalex.org/I4405286139"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I56624758","ror":"https://ror.org/03xg1f311","display_name":"Kansai University","country_code":"JP","type":"education","lineage":["https://openalex.org/I56624758"]},"years":[2008,2005]},{"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":[2008,2007,2006,2004,2002,1986,1950]},{"institution":{"id":"https://openalex.org/I864419238","ror":"https://ror.org/03p5evc41","display_name":"Mitsubishi Materials (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I1306287861","https://openalex.org/I864419238"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I92614990","ror":"https://ror.org/00qg0kr10","display_name":"Tokyo University of Agriculture and Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I92614990"]},"years":[1995]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10548","display_name":"Catalytic Cross-Coupling Reactions","count":105,"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/T13208","display_name":"Synthesis of heterocyclic compounds","count":95,"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/T10354","display_name":"Catalytic C\u2013H Functionalization Methods","count":55,"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/T10871","display_name":"Catalytic Alkyne Reactions","count":55,"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/T13230","display_name":"Synthesis and Reactivity of Heterocycles","count":48,"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/T13230","display_name":"Synthesis and Reactivity of Heterocycles","value":0.0008694,"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/T12973","display_name":"Synthesis of Indole Derivatives","value":0.0006107,"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/T10548","display_name":"Catalytic Cross-Coupling Reactions","value":0.0004809,"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/T10354","display_name":"Catalytic C\u2013H Functionalization Methods","value":0.0004645,"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/T13208","display_name":"Synthesis of heterocyclic compounds","value":0.0004542,"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":0.9939795732498169},{"id":"161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","score":0.8850946426391602},{"id":"71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","score":0.6616120934486389},{"id":"155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","score":0.659250020980835},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.5890913605690002}],"counts_by_year":[{"year":1950,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1957,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1967,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1970,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1971,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1974,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1975,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":1976,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":8,"oa_works_count":2,"cited_by_count":0},{"year":1978,"works_count":10,"oa_works_count":6,"cited_by_count":0},{"year":1979,"works_count":10,"oa_works_count":6,"cited_by_count":0},{"year":1980,"works_count":8,"oa_works_count":6,"cited_by_count":0},{"year":1981,"works_count":12,"oa_works_count":8,"cited_by_count":0},{"year":1982,"works_count":9,"oa_works_count":7,"cited_by_count":0},{"year":1983,"works_count":8,"oa_works_count":5,"cited_by_count":0},{"year":1984,"works_count":13,"oa_works_count":7,"cited_by_count":0},{"year":1985,"works_count":7,"oa_works_count":6,"cited_by_count":0},{"year":1986,"works_count":9,"oa_works_count":6,"cited_by_count":0},{"year":1987,"works_count":5,"oa_works_count":5,"cited_by_count":0},{"year":1988,"works_count":16,"oa_works_count":7,"cited_by_count":0},{"year":1989,"works_count":6,"oa_works_count":3,"cited_by_count":0},{"year":1990,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":9,"oa_works_count":2,"cited_by_count":0},{"year":1993,"works_count":12,"oa_works_count":3,"cited_by_count":0},{"year":1994,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":10,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":18,"oa_works_count":3,"cited_by_count":0},{"year":2000,"works_count":13,"oa_works_count":4,"cited_by_count":0},{"year":2001,"works_count":11,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":16,"oa_works_count":3,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":10,"oa_works_count":2,"cited_by_count":0},{"year":2006,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":2008,"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":2012,"works_count":0,"oa_works_count":0,"cited_by_count":352},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":430},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":355},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":285},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":264},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":231},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":250},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":195},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":173},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":154},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":169},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":141},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":91},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":92},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":50}],"display_name_alternatives":["TAKAO SAKAMOTO","Takao SAKAMOTO","Takao Sakamoto","\u5742\u672c, \u5c1a\u592b","\u5c1a\u592b \u5742\u672c"],"block_key":"t sakamoto","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113498080","awards_count":0,"updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}
