{"id":"https://openalex.org/A5108398658","orcid":null,"observed_orcids":[],"display_name":"Hiroyuki Fujisawa","raw_author_names":["H. Fujisawa","HIROYUKI FUJISAWA","Hiroyuki FUJISAWA","Hiroyuki Fujisawa"],"full_name":"FUJISAWA, Hiroyuki","works_count":115,"cited_by_count":1442,"summary_stats":{"2yr_mean_citedness":0.25,"h_index":21,"i10_index":31},"ids":{"openalex":"https://openalex.org/A5108398658","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I104946051","ror":"https://ror.org/05jk51a88","display_name":"Nihon University","country_code":"JP","type":"education","lineage":["https://openalex.org/I104946051"]},"years":[2009,2008]},{"institution":{"id":"https://openalex.org/I127317711","ror":"https://ror.org/05crbcr45","display_name":"Tokyo University of Agriculture","country_code":"JP","type":"education","lineage":["https://openalex.org/I127317711"]},"years":[2018,2016,2010,2009]},{"institution":{"id":"https://openalex.org/I1283155146","ror":"https://ror.org/011tm7n37","display_name":"Panasonic (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I1283155146"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I150026939","ror":"https://ror.org/01wmx5158","display_name":"Tohoku Bunka Gakuen University","country_code":"JP","type":"education","lineage":["https://openalex.org/I150026939"]},"years":[2026,2025,2024,2023,2021,2020,2019,2018,2017,2016,2015,2014,2013,2011,2010,2009,2008,2006,2004,2003]},{"institution":{"id":"https://openalex.org/I173009982","ror":"https://ror.org/04cd75h10","display_name":"Iwate University","country_code":"JP","type":"education","lineage":["https://openalex.org/I173009982"]},"years":[2007,1997]},{"institution":{"id":"https://openalex.org/I205349734","ror":"https://ror.org/02e16g702","display_name":"Hokkaido University","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]},"years":[1998,1996,1995,1994,1993]},{"institution":{"id":"https://openalex.org/I2799635668","ror":"https://ror.org/056701b75","display_name":"Fuji Electric (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I2799635668"]},"years":[2017,2002,2000,1991,1989]},{"institution":{"id":"https://openalex.org/I4210095302","ror":"https://ror.org/00vgm4247","display_name":"Tohoku Agricultural Research Center","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1323638106","https://openalex.org/I4210095302"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I43777268","ror":"https://ror.org/058h74p94","display_name":"Nagasaki University","country_code":"JP","type":"education","lineage":["https://openalex.org/I43777268"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I4405275337","ror":"https://ror.org/03dvdyv56","display_name":"FUJI Electric Advanced Technology Co., Ltd. (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405275337"]},"years":[2006,2004,2003,2002,2001]},{"institution":{"id":"https://openalex.org/I4405275444","ror":"https://ror.org/03mc0fa98","display_name":"Panasonic Electric Works Co., Ltd. (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405275444"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I4405285124","ror":"https://ror.org/04tqq2p16","display_name":"Noboribetsu Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210132540","https://openalex.org/I4405285124"]},"years":[1995]},{"institution":{"id":"https://openalex.org/I4405287237","ror":"https://ror.org/04h9jpb91","display_name":"Advanced Power Electronics Research Center","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405287237","https://openalex.org/I73613424"]},"years":[2017,2014]},{"institution":{"id":"https://openalex.org/I73613424","ror":"https://ror.org/01703db54","display_name":"National Institute of Advanced Industrial Science and Technology","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]},"years":[2017,2015,2014,2013]},{"institution":{"id":"https://openalex.org/I8606887","ror":"https://ror.org/001m1hv61","display_name":"Grand Valley State University","country_code":"US","type":"education","lineage":["https://openalex.org/I8606887"]},"years":[2017]},{"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":[2009]}],"last_known_institutions":[{"id":"https://openalex.org/I150026939","ror":"https://ror.org/01wmx5158","display_name":"Tohoku Bunka Gakuen University","country_code":"JP","type":"education","lineage":["https://openalex.org/I150026939"]}],"topics":[{"id":"https://openalex.org/T10361","display_name":"Silicon Carbide Semiconductor Technologies","count":24,"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/T10114","display_name":"Balance, Gait, and Falls Prevention","count":23,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","count":23,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T10099","display_name":"GaN-based semiconductor devices and materials","count":19,"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/T10982","display_name":"Motor Control and Adaptation","count":19,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13124","display_name":"Chemical synthesis and alkaloids","value":0.0001339,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"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/T10361","display_name":"Silicon Carbide Semiconductor Technologies","value":0.0001097,"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/T10114","display_name":"Balance, Gait, and Falls Prevention","value":8.19e-05,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10099","display_name":"GaN-based semiconductor devices and materials","value":8.16e-05,"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/T12529","display_name":"Ga2O3 and related materials","value":7.2e-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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9249457120895386},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.8832430839538574},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.6786529421806335},{"id":"99508421","wikidata":"https://www.wikidata.org/wiki/Q2678675","display_name":"Physical medicine and rehabilitation","score":0.6543882489204407},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.19237187504768372}],"counts_by_year":[{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":5,"oa_works_count":5,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2013,"works_count":7,"oa_works_count":4,"cited_by_count":43},{"year":2014,"works_count":11,"oa_works_count":5,"cited_by_count":75},{"year":2015,"works_count":11,"oa_works_count":7,"cited_by_count":75},{"year":2016,"works_count":6,"oa_works_count":6,"cited_by_count":67},{"year":2017,"works_count":5,"oa_works_count":4,"cited_by_count":65},{"year":2018,"works_count":4,"oa_works_count":2,"cited_by_count":88},{"year":2019,"works_count":3,"oa_works_count":2,"cited_by_count":119},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":110},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":90},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":100},{"year":2023,"works_count":2,"oa_works_count":1,"cited_by_count":83},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":84},{"year":2025,"works_count":2,"oa_works_count":1,"cited_by_count":92},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":73}],"display_name_alternatives":["H. Fujisawa","HIROYUKI FUJISAWA","Hiroyuki FUJISAWA","Hiroyuki Fujisawa"],"block_key":"h fujisawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5108398658","awards_count":5,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5108398658","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
