{"id":"https://openalex.org/A5082012831","orcid":null,"observed_orcids":[],"display_name":"Haruhide Koyama","raw_author_names":["Haruhide Koyama"],"full_name":"Haruhide Koyama","works_count":8,"cited_by_count":255,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5082012831","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I136259955","ror":"https://ror.org/04ezg6d83","display_name":"Toyohashi University of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I136259955"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I137975476","ror":"https://ror.org/0244rem06","display_name":"Shinshu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I137975476"]},"years":[2009,2008,2006,2005,2002]}],"last_known_institutions":[{"id":"https://openalex.org/I137975476","ror":"https://ror.org/0244rem06","display_name":"Shinshu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I137975476"]}],"topics":[{"id":"https://openalex.org/T12627","display_name":"Graphene and Nanomaterials Applications","count":4,"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/T12264","display_name":"Tissue Engineering and Regenerative Medicine","count":3,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T14072","display_name":"Immunotoxicology and immune responses","count":3,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10059","display_name":"Bone Tissue Engineering Materials","count":2,"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/T10079","display_name":"Nanoparticles: synthesis and applications","count":2,"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"}}],"topic_share":[{"id":"https://openalex.org/T12627","display_name":"Graphene and Nanomaterials Applications","value":9.28e-05,"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/T10729","display_name":"Electrospun Nanofibers in Biomedical Applications","value":1.75e-05,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"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/T10956","display_name":"Fullerene Chemistry and Applications","value":1.41e-05,"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/T14072","display_name":"Immunotoxicology and immune responses","value":1.29e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12264","display_name":"Tissue Engineering and Regenerative Medicine","value":1.1e-05,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","score":0.7701790928840637},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.7517223358154297},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.6948755979537964},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.5154812932014465},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.31846219301223755}],"counts_by_year":[{"year":2002,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"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":6},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["Haruhide Koyama"],"block_key":"h koyama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5082012831","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5082012831","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}