{"id":"https://openalex.org/A5100616617","orcid":"https://orcid.org/0000-0002-6469-6815","observed_orcids":["https://orcid.org/0000-0002-6469-6815"],"display_name":"Katsumi Yamada","raw_author_names":["K. Yamada","Katsumi YAMADA","Katsumi YAMADA (19472403)","Katsumi Yamada","Yamada, K."],"full_name":"Katsumi YAMADA","works_count":56,"cited_by_count":446,"summary_stats":{"2yr_mean_citedness":0.5,"h_index":12,"i10_index":15},"ids":{"openalex":"https://openalex.org/A5100616617","orcid":"https://orcid.org/0000-0002-6469-6815","observed_orcids":["https://orcid.org/0000-0002-6469-6815"]},"affiliations":[{"institution":{"id":"https://openalex.org/I111966504","ror":"https://ror.org/00msqp585","display_name":"University of Fukui","country_code":"JP","type":"education","lineage":["https://openalex.org/I111966504"]},"years":[2003,2002]},{"institution":{"id":"https://openalex.org/I1281029379","ror":"https://ror.org/02zt1gg83","display_name":"International Atomic Energy Agency","country_code":"AT","type":"nonprofit","lineage":["https://openalex.org/I1281029379"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I159385669","ror":"https://ror.org/01hjzeq58","display_name":"Chiba University","country_code":"JP","type":"education","lineage":["https://openalex.org/I159385669"]},"years":[1999,1997,1995,1994,1992,1990]},{"institution":{"id":"https://openalex.org/I31618427","ror":"https://ror.org/035kpke84","display_name":"Tokyo Polytechnic University","country_code":"JP","type":"education","lineage":["https://openalex.org/I31618427"]},"years":[2025,2023,2022,2021,2020,2018,2016,2014,2013,2012,2011,2009,2008,2006,2003,2002,1998]},{"institution":{"id":"https://openalex.org/I33213144","ror":"https://ror.org/02y3ad647","display_name":"University of Florida","country_code":"US","type":"education","lineage":["https://openalex.org/I33213144"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I4210110672","ror":"https://ror.org/01vpa9c32","display_name":"Ehime University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210110672","https://openalex.org/I43545212"]},"years":[1999]},{"institution":{"id":"https://openalex.org/I43545212","ror":"https://ror.org/017hkng22","display_name":"Ehime University","country_code":"JP","type":"education","lineage":["https://openalex.org/I43545212"]},"years":[1999]},{"institution":{"id":"https://openalex.org/I4405275544","ror":"https://ror.org/03svsc093","display_name":"JFE Techno-Research Corporation (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405275544"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I4405287037","ror":"https://ror.org/03xnkmk38","display_name":"Research Center for Development of Far-Infrared Region, University of Fukui","country_code":"JP","type":"facility","lineage":["https://openalex.org/I111966504","https://openalex.org/I4405287037"]},"years":[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":[1999]}],"last_known_institutions":[{"id":"https://openalex.org/I31618427","ror":"https://ror.org/035kpke84","display_name":"Tokyo Polytechnic University","country_code":"JP","type":"education","lineage":["https://openalex.org/I31618427"]}],"topics":[{"id":"https://openalex.org/T10660","display_name":"Conducting polymers and applications","count":29,"subfield":{"id":"https://openalex.org/subfields/2507","display_name":"Polymers and Plastics"},"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/T11788","display_name":"Nonlinear Optical Materials Studies","count":14,"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/T11128","display_name":"Transition Metal Oxide Nanomaterials","count":9,"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/T11523","display_name":"Nanomaterials and Printing Technologies","count":8,"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/T10732","display_name":"Laser Material Processing Techniques","count":7,"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/T11788","display_name":"Nonlinear Optical Materials Studies","value":0.0002159,"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/T10660","display_name":"Conducting polymers and applications","value":0.0001309,"subfield":{"id":"https://openalex.org/subfields/2507","display_name":"Polymers and Plastics"},"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/T11128","display_name":"Transition Metal Oxide Nanomaterials","value":8e-05,"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/T11523","display_name":"Nanomaterials and Printing Technologies","value":6.6e-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/T12340","display_name":"Anodic Oxide Films and Nanostructures","value":6.54e-05,"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":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9687620401382446},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9127359390258789},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.5478288531303406},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5075739622116089},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.4316260814666748}],"counts_by_year":[{"year":1990,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":21},{"year":2013,"works_count":4,"oa_works_count":1,"cited_by_count":18},{"year":2014,"works_count":4,"oa_works_count":2,"cited_by_count":28},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2016,"works_count":3,"oa_works_count":1,"cited_by_count":21},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":24},{"year":2018,"works_count":2,"oa_works_count":0,"cited_by_count":11},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":18},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":29},{"year":2022,"works_count":4,"oa_works_count":2,"cited_by_count":19},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":12},{"year":2024,"works_count":3,"oa_works_count":2,"cited_by_count":20},{"year":2025,"works_count":1,"oa_works_count":0,"cited_by_count":8},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":15}],"display_name_alternatives":["K. Yamada","Katsumi YAMADA","Katsumi YAMADA (19472403)","Katsumi Yamada","Yamada, K."],"block_key":"k yamada","works_api_url":"https://api.openalex.org/works?filter=author.id:A5100616617","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5100616617","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}