{"id":"https://openalex.org/A5045396272","orcid":null,"observed_orcids":[],"display_name":"Tomoyuki Kikugawa","raw_author_names":["KIKUGAWA, TOMOYUKI","T. Kikugawa","Tomoyuki Kikugawa","\u83ca\u5ddd \u77e5\u4e4b","\u83ca\u5ddd\u77e5\u4e4b"],"full_name":"Tomoyuki Kikugawa","works_count":35,"cited_by_count":251,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":10,"i10_index":10},"ids":{"openalex":"https://openalex.org/A5045396272","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":[1990,1989,1988]},{"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":[2003]},{"institution":{"id":"https://openalex.org/I4210128225","ror":"https://ror.org/032qryz87","display_name":"Anritsu (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210128225"]},"years":[2005,2003,2002,2001,1999,1994,1993,1991,1989,1988,1987]},{"institution":{"id":"https://openalex.org/I42999171","ror":"https://ror.org/01nckkm68","display_name":"Sophia University","country_code":"JP","type":"education","lineage":["https://openalex.org/I42999171"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I60134161","ror":"https://ror.org/04chrp450","display_name":"Nagoya University","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]},"years":[1979]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10299","display_name":"Photonic and Optical Devices","count":19,"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":17,"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/T11429","display_name":"Semiconductor Lasers and Optical Devices","count":13,"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/T11050","display_name":"Photorefractive and Nonlinear Optics","count":11,"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/T11111","display_name":"Spectroscopy and Laser Applications","count":11,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/T10299","display_name":"Photonic and Optical Devices","value":6.22e-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/T11588","display_name":"Atmospheric and Environmental Gas Dynamics","value":5.48e-05,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","value":4.52e-05,"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/T11111","display_name":"Spectroscopy and Laser Applications","value":4.29e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/T11050","display_name":"Photorefractive and Nonlinear Optics","value":3.43e-05,"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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8008000254631042},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.7450000047683716},{"id":"520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","score":0.7259557247161865},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.7085999846458435},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.40140455961227417}],"counts_by_year":[{"year":1979,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1988,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"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":3,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":3}],"display_name_alternatives":["KIKUGAWA, TOMOYUKI","T. Kikugawa","Tomoyuki Kikugawa","\u83ca\u5ddd \u77e5\u4e4b","\u83ca\u5ddd\u77e5\u4e4b"],"block_key":"t kikugawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5045396272","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
