{"id":"https://openalex.org/A5113924038","orcid":null,"observed_orcids":[],"display_name":"Kohshin Takahashi","raw_author_names":["K Takahashi","Kohshin TAKAHASHI","Kohshin Takahashi","Takahashi Kohshin","Takahashi, Kohshin"],"full_name":"Takahashi, Kohshin","works_count":152,"cited_by_count":3675,"summary_stats":{"2yr_mean_citedness":7.0,"h_index":31,"i10_index":74},"ids":{"openalex":"https://openalex.org/A5113924038","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I10091056","ror":"https://ror.org/02hwp6a56","display_name":"Kanazawa University","country_code":"JP","type":"education","lineage":["https://openalex.org/I10091056"]},"years":[2025,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1995,1994,1993,1992,1990,1989,1988,1985]},{"institution":{"id":"https://openalex.org/I146399215","ror":"https://ror.org/02956yf07","display_name":"University of Tsukuba","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I177738480","ror":"https://ror.org/03frj4r98","display_name":"Japan Advanced Institute of Science and Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I177738480"]},"years":[2014]},{"institution":{"id":"https://openalex.org/I4210086780","ror":"https://ror.org/00097mb19","display_name":"Japan Science and Technology Agency","country_code":"JP","type":"government","lineage":["https://openalex.org/I1319490839","https://openalex.org/I4210086780"]},"years":[2015,2014]},{"institution":{"id":"https://openalex.org/I4210127896","ror":"https://ror.org/02s3d9n87","display_name":"Nippon Shokubai (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210127896"]},"years":[2003,1997]}],"last_known_institutions":[{"id":"https://openalex.org/I10091056","ror":"https://ror.org/02hwp6a56","display_name":"Kanazawa University","country_code":"JP","type":"education","lineage":["https://openalex.org/I10091056"]}],"topics":[{"id":"https://openalex.org/T10045","display_name":"Organic Electronics and Photovoltaics","count":103,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10611","display_name":"Organic Light-Emitting Diodes Research","count":50,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10024","display_name":"TiO2 Photocatalysis and Solar Cells","count":48,"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"}},{"id":"https://openalex.org/T10247","display_name":"Perovskite Materials and Applications","count":31,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10624","display_name":"Silicon and Solar Cell Technologies","count":27,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10045","display_name":"Organic Electronics and Photovoltaics","value":0.0003518,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10611","display_name":"Organic Light-Emitting Diodes Research","value":0.0002834,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10247","display_name":"Perovskite Materials and Applications","value":0.0002661,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10903","display_name":"Porphyrin and Phthalocyanine Chemistry","value":0.0001547,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"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/T10024","display_name":"TiO2 Photocatalysis and Solar Cells","value":0.0001281,"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":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9841328859329224},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9020272493362427},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.6945270895957947},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.3647680878639221},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.15667182207107544}],"counts_by_year":[{"year":1985,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":6,"oa_works_count":3,"cited_by_count":0},{"year":1999,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":1,"cited_by_count":220},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":224},{"year":2014,"works_count":7,"oa_works_count":3,"cited_by_count":256},{"year":2015,"works_count":8,"oa_works_count":2,"cited_by_count":198},{"year":2016,"works_count":14,"oa_works_count":4,"cited_by_count":220},{"year":2017,"works_count":12,"oa_works_count":4,"cited_by_count":174},{"year":2018,"works_count":7,"oa_works_count":1,"cited_by_count":133},{"year":2019,"works_count":9,"oa_works_count":1,"cited_by_count":166},{"year":2020,"works_count":8,"oa_works_count":3,"cited_by_count":147},{"year":2021,"works_count":11,"oa_works_count":4,"cited_by_count":224},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":219},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":161},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":159},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":116},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":96}],"display_name_alternatives":["K Takahashi","Kohshin TAKAHASHI","Kohshin Takahashi","Takahashi Kohshin","Takahashi, Kohshin"],"block_key":"k takahashi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113924038","awards_count":4,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5113924038","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
