{"id":"https://openalex.org/A5111875313","orcid":null,"observed_orcids":[],"display_name":"Mikio Takai","raw_author_names":["MIKIO TAKAI","Mikio TAKAI","Mikio Takai","Mikio Takai Mikio Takai"],"full_name":"Mikio Takai Mikio Takai","works_count":168,"cited_by_count":1519,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":21,"i10_index":50},"ids":{"openalex":"https://openalex.org/A5111875313","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210124274","ror":"https://ror.org/024ape423","display_name":"Fraunhofer Institute for Integrated Circuits","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]},"years":[1998]},{"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":[1993]},{"institution":{"id":"https://openalex.org/I4210153176","ror":"https://ror.org/058wb7691","display_name":"Renesas Electronics (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210153176"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I4405286105","ror":"https://ror.org/0152sjw80","display_name":"Center for Science and Technology under Extreme Conditions","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286105","https://openalex.org/I98285908"]},"years":[2018,2015,2003]},{"institution":{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]},"years":[2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989,1988,1987,1986,1985,1984,1983,1977,1975,1973]}],"last_known_institutions":[{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"topics":[{"id":"https://openalex.org/T12166","display_name":"Ion-surface interactions and analysis","count":49,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T13418","display_name":"Photocathodes and Microchannel Plates","count":42,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T11175","display_name":"Gyrotron and Vacuum Electronics Research","count":41,"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/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","count":33,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T10732","display_name":"Laser Material Processing Techniques","count":29,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T13418","display_name":"Photocathodes and Microchannel Plates","value":0.0006749,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"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/T11175","display_name":"Gyrotron and Vacuum Electronics Research","value":0.0002608,"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/T11338","display_name":"Advancements in Photolithography Techniques","value":0.0002314,"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/T13552","display_name":"Advanced Materials Characterization Techniques","value":0.0001956,"subfield":{"id":"https://openalex.org/subfields/2500","display_name":"General Materials Science"},"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/T14117","display_name":"Integrated Circuits and Semiconductor Failure Analysis","value":0.0001841,"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":0.9353896975517273},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.820927619934082},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.7593811750411987},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.6274981498718262},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.4734499156475067}],"counts_by_year":[{"year":1972,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1977,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1983,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1984,"works_count":6,"oa_works_count":3,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1987,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1988,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":7,"oa_works_count":4,"cited_by_count":0},{"year":1990,"works_count":6,"oa_works_count":3,"cited_by_count":0},{"year":1991,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":8,"oa_works_count":3,"cited_by_count":0},{"year":1993,"works_count":7,"oa_works_count":2,"cited_by_count":0},{"year":1994,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1996,"works_count":8,"oa_works_count":2,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":5,"oa_works_count":1,"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":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":9,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":11,"oa_works_count":0,"cited_by_count":36},{"year":2013,"works_count":6,"oa_works_count":0,"cited_by_count":45},{"year":2014,"works_count":7,"oa_works_count":0,"cited_by_count":63},{"year":2015,"works_count":7,"oa_works_count":3,"cited_by_count":47},{"year":2016,"works_count":3,"oa_works_count":1,"cited_by_count":55},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":47},{"year":2018,"works_count":3,"oa_works_count":1,"cited_by_count":38},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":28},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":24}],"display_name_alternatives":["MIKIO TAKAI","Mikio TAKAI","Mikio Takai","Mikio Takai Mikio Takai"],"block_key":"m takai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111875313","awards_count":0,"updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}
