{"id":"https://openalex.org/A5111520813","orcid":null,"observed_orcids":[],"display_name":"T. Takamasu","raw_author_names":["T Takamasu","T. TAKAMASU","T. Takamasu","TADASHI TAKAMASU","Tadashi TAKAMASU","Tadashi Takamasu","Tadashi Takamasu Tadashi Takamasu","Takamasu, T.","Takamasu, Tadashi"],"full_name":"Tadashi Takamasu Tadashi Takamasu","works_count":205,"cited_by_count":1955,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":22,"i10_index":43},"ids":{"openalex":"https://openalex.org/A5111520813","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I113306721","ror":"https://ror.org/03t78wx29","display_name":"Hiroshima University","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]},"years":[1997]},{"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":[1999]},{"institution":{"id":"https://openalex.org/I141479679","ror":"https://ror.org/051j8zv27","display_name":"Osaka Kyoiku University","country_code":"JP","type":"education","lineage":["https://openalex.org/I141479679"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I142263535","ror":"https://ror.org/01ee9ar58","display_name":"University of Nottingham","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]},"years":[2005,1997,1996,1994,1992]},{"institution":{"id":"https://openalex.org/I205401836","ror":"https://ror.org/026v1ze26","display_name":"National Institute for Materials Science","country_code":"JP","type":"facility","lineage":["https://openalex.org/I205401836"]},"years":[2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998]},{"institution":{"id":"https://openalex.org/I4405286944","ror":"https://ror.org/03mpax711","display_name":"The Institute for Solid State Physics, The University of Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286944","https://openalex.org/I74801974"]},"years":[2006,2002,1998,1997,1996,1994,1993,1992]},{"institution":{"id":"https://openalex.org/I4405287038","ror":"https://ror.org/03xzehp18","display_name":"Research Center for Advanced Science and Technology, The University of Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405287038","https://openalex.org/I74801974"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I4405287318","ror":"https://ror.org/04t6zpd80","display_name":"Institute of Industrial Science, The University of Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405287318","https://openalex.org/I74801974"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I72253084","ror":"https://ror.org/02evnh647","display_name":"Saitama University","country_code":"JP","type":"education","lineage":["https://openalex.org/I72253084"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[2006,2002,1999,1998,1997,1996,1995,1994,1993,1992,1986,1985]},{"institution":{"id":"https://openalex.org/I89015989","ror":"https://ror.org/058pdbn81","display_name":"Dankook University","country_code":"KR","type":"education","lineage":["https://openalex.org/I89015989"]},"years":[2005]},{"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":[2002]}],"last_known_institutions":[{"id":"https://openalex.org/I205401836","ror":"https://ror.org/026v1ze26","display_name":"National Institute for Materials Science","country_code":"JP","type":"facility","lineage":["https://openalex.org/I205401836"]}],"topics":[{"id":"https://openalex.org/T10022","display_name":"Semiconductor Quantum Structures and Devices","count":106,"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/T10382","display_name":"Quantum and electron transport phenomena","count":103,"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/T10037","display_name":"Physics of Superconductivity and Magnetism","count":31,"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/T10607","display_name":"Magnetic and transport properties of perovskites and related materials","count":27,"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/T11853","display_name":"Semiconductor materials and interfaces","count":25,"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/T10382","display_name":"Quantum and electron transport phenomena","value":0.0003295,"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/T10022","display_name":"Semiconductor Quantum Structures and Devices","value":0.0002815,"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/T11261","display_name":"Quantum chaos and dynamical systems","value":0.0001276,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear 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/T11758","display_name":"Organic and Molecular Conductors Research","value":0.0001192,"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/T13463","display_name":"Nanoporous metals and alloys","value":0.0001085,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"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":0.9188951849937439},{"id":"26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","score":0.9080917835235596},{"id":"115260700","wikidata":"https://www.wikidata.org/wiki/Q11408","display_name":"Magnetic field","score":0.8065696954727173},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.7701026201248169},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.5237950086593628}],"counts_by_year":[{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":11,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":9,"oa_works_count":2,"cited_by_count":0},{"year":1995,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":11,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":16,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":14,"oa_works_count":5,"cited_by_count":0},{"year":2001,"works_count":23,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":17,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":10,"oa_works_count":3,"cited_by_count":0},{"year":2007,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":8,"oa_works_count":3,"cited_by_count":0},{"year":2010,"works_count":13,"oa_works_count":3,"cited_by_count":0},{"year":2011,"works_count":14,"oa_works_count":5,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":1,"cited_by_count":95},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":64},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":87},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":79},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":66},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":79},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":59},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":44},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":48},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":27}],"display_name_alternatives":["T Takamasu","T. TAKAMASU","T. Takamasu","TADASHI TAKAMASU","Tadashi TAKAMASU","Tadashi Takamasu","Tadashi Takamasu Tadashi Takamasu","Takamasu, T.","Takamasu, Tadashi"],"block_key":"t takamasu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111520813","awards_count":1,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111520813","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}