{"id":"https://openalex.org/A5110076619","orcid":null,"observed_orcids":[],"display_name":"Y. Itaya","raw_author_names":["Itaya Yoshio","Y Itaya","Y. Itaya","YOSHIO ITAYA","Yoshio Itaya"],"full_name":"YOSHIO ITAYA","works_count":116,"cited_by_count":2396,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":24,"i10_index":53},"ids":{"openalex":"https://openalex.org/A5110076619","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I114531698","ror":"https://ror.org/0112mx960","display_name":"Tokyo Institute of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]},"years":[1994,1981,1980,1979,1978,1977]},{"institution":{"id":"https://openalex.org/I2251713219","ror":"https://ror.org/00berct97","display_name":"NTT (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]},"years":[2009,2007,2006,2005,2003,2002,2001,1998,1997,1996,1995,1994,1991,1989,1988,1987,1986,1985,1984,1983,1982]}],"last_known_institutions":[{"id":"https://openalex.org/I2251713219","ror":"https://ror.org/00berct97","display_name":"NTT (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I2251713219"]}],"topics":[{"id":"https://openalex.org/T11429","display_name":"Semiconductor Lasers and Optical Devices","count":111,"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/T10299","display_name":"Photonic and Optical Devices","count":97,"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":71,"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/T10767","display_name":"Advanced Photonic Communication Systems","count":20,"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/T14158","display_name":"Optical Systems and Laser Technology","count":10,"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/T10299","display_name":"Photonic and Optical Devices","value":0.0003173,"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":0.0002781,"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","value":0.0001885,"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/T10767","display_name":"Advanced Photonic Communication Systems","value":9.53e-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/T12309","display_name":"solar cell performance optimization","value":7.07e-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":0.9044849872589111},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.8266664743423462},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.7894967794418335},{"id":"520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","score":0.7754013538360596},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.7473621368408203}],"counts_by_year":[{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1979,"works_count":12,"oa_works_count":4,"cited_by_count":0},{"year":1980,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1981,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":10,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":17,"oa_works_count":2,"cited_by_count":0},{"year":1998,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":5,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"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":15},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":15}],"display_name_alternatives":["Itaya Yoshio","Y Itaya","Y. Itaya","YOSHIO ITAYA","Yoshio Itaya"],"block_key":"y itaya","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110076619","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5110076619","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
