{"id":"https://openalex.org/A5029457690","orcid":null,"observed_orcids":[],"display_name":"Motonobu Takeya","raw_author_names":["M. Takeya","Motonobu Takeya"],"full_name":"Motonobu Takeya","works_count":25,"cited_by_count":752,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":14,"i10_index":16},"ids":{"openalex":"https://openalex.org/A5029457690","orcid":null,"observed_orcids":[]},"affiliations":[{"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":[1998,1997]},{"institution":{"id":"https://openalex.org/I4210143797","ror":"https://ror.org/04wzv3n59","display_name":"Sony (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210143797"]},"years":[2005,2004,2003,2002,2001,2000]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","count":21,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","count":18,"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/T10361","display_name":"Silicon Carbide Semiconductor Technologies","count":16,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":3,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10623","display_name":"Thin-Film Transistor Technologies","count":3,"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/T10099","display_name":"GaN-based semiconductor devices and materials","value":9.03e-05,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10361","display_name":"Silicon Carbide Semiconductor Technologies","value":7.32e-05,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","value":4.51e-05,"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/T12529","display_name":"Ga2O3 and related materials","value":3.6e-05,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"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/T12309","display_name":"solar cell performance optimization","value":1.77e-05,"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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9232364892959595},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.8547930717468262},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.7976328730583191},{"id":"520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","score":0.7819863557815552},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.4643101692199707}],"counts_by_year":[{"year":1997,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":33},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":44},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":11}],"display_name_alternatives":["M. Takeya","Motonobu Takeya"],"block_key":"m takeya","works_api_url":"https://api.openalex.org/works?filter=author.id:A5029457690","awards_count":0,"updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}
