{"id":"https://openalex.org/A5110181401","orcid":null,"observed_orcids":[],"display_name":"Toru Tatsumi","raw_author_names":["Toru TATSUMI","Toru Tatsumi","\u8fb0\u5df3, \u5fb9"],"full_name":"Toru TATSUMI","works_count":136,"cited_by_count":2754,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":28,"i10_index":61},"ids":{"openalex":"https://openalex.org/A5110181401","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I118347220","ror":"https://ror.org/04jndar25","display_name":"NEC (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]},"years":[2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989,1988,1987,1986,1985]},{"institution":{"id":"https://openalex.org/I4210136277","ror":"https://ror.org/034gcgw60","display_name":"Institute of Space and Astronautical Science","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746","https://openalex.org/I4210136277"]},"years":[1991]}],"last_known_institutions":[{"id":"https://openalex.org/I118347220","ror":"https://ror.org/04jndar25","display_name":"NEC (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I118347220"]}],"topics":[{"id":"https://openalex.org/T10472","display_name":"Semiconductor materials and devices","count":110,"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/T11853","display_name":"Semiconductor materials and interfaces","count":85,"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/T10558","display_name":"Advancements in Semiconductor Devices and Circuit Design","count":36,"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/T13531","display_name":"Surface and Thin Film Phenomena","count":25,"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/T11661","display_name":"Copper Interconnects and Reliability","count":23,"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"}}],"topic_share":[{"id":"https://openalex.org/T10472","display_name":"Semiconductor materials and devices","value":0.0002279,"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/T11661","display_name":"Copper Interconnects and Reliability","value":0.0002271,"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/T12808","display_name":"Ferroelectric and Negative Capacitance Devices","value":0.0001961,"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/T11853","display_name":"Semiconductor materials and interfaces","value":0.0001721,"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/T10558","display_name":"Advancements in Semiconductor Devices and Circuit Design","value":0.0001334,"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":0.9230703115463257},{"id":"49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","score":0.7482815384864807},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.7365577220916748},{"id":"171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","score":0.5454167127609253},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.3336959481239319}],"counts_by_year":[{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":11,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":17,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":10,"oa_works_count":2,"cited_by_count":0},{"year":1992,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":10,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2006,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"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":46},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["Toru TATSUMI","Toru Tatsumi","\u8fb0\u5df3, \u5fb9"],"block_key":"t tatsumi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110181401","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
