{"id":"https://openalex.org/A5083591731","orcid":"https://orcid.org/0000-0002-2799-504X","observed_orcids":["https://orcid.org/0000-0002-2799-504X"],"display_name":"Yoshihiro Hirai","raw_author_names":["Hirai, Yoshihiro","Y Hirai","Y. Hirai","Yoshihiro Hirai","\u5e73\u4e95, \u4f73\u5b8f"],"full_name":"Yoshihiro Hirai","works_count":27,"cited_by_count":48,"summary_stats":{"2yr_mean_citedness":1.2857142857142858,"h_index":4,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5083591731","orcid":"https://orcid.org/0000-0002-2799-504X","observed_orcids":["https://orcid.org/0000-0002-2799-504X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I146516829","ror":"https://ror.org/02syg0q74","display_name":"Hirosaki University","country_code":"JP","type":"education","lineage":["https://openalex.org/I146516829"]},"years":[1986]},{"institution":{"id":"https://openalex.org/I205143321","ror":"https://ror.org/01y2kdt21","display_name":"Osaka Medical and Pharmaceutical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I205143321"]},"years":[2024,2023,2022,2021]},{"institution":{"id":"https://openalex.org/I4210139912","ror":"https://ror.org/03zzjb946","display_name":"Nishinomiya Kyoritsu Neurosurgical Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210139912"]},"years":[2026,2025]}],"last_known_institutions":[{"id":"https://openalex.org/I4210139912","ror":"https://ror.org/03zzjb946","display_name":"Nishinomiya Kyoritsu Neurosurgical Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210139912"]}],"topics":[{"id":"https://openalex.org/T10455","display_name":"Foot and Ankle Surgery","count":12,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"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/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","count":10,"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/T11036","display_name":"Antibiotics Pharmacokinetics and Efficacy","count":5,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology (medical)"},"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/T10147","display_name":"Antibiotic Resistance in Bacteria","count":3,"subfield":{"id":"https://openalex.org/subfields/2726","display_name":"Microbiology (medical)"},"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/T11068","display_name":"Tendon Structure and Treatment","count":3,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10455","display_name":"Foot and Ankle Surgery","value":3.7e-05,"subfield":{"id":"https://openalex.org/subfields/2732","display_name":"Orthopedics and Sports Medicine"},"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/T11018","display_name":"Lower Extremity Biomechanics and Pathologies","value":2.76e-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/T12280","display_name":"Magnesium in Health and Disease","value":2.43e-05,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12876","display_name":"Potassium and Related Disorders","value":2.41e-05,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/T11253","display_name":"Nail Diseases and Treatments","value":2.36e-05,"subfield":{"id":"https://openalex.org/subfields/2708","display_name":"Dermatology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9576901793479919},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6631768345832825},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6278393268585205},{"id":"29694066","wikidata":"https://www.wikidata.org/wiki/Q118301","display_name":"Orthodontics","score":0.5408667922019958},{"id":"2776577363","wikidata":"https://www.wikidata.org/wiki/Q16989664","display_name":"Forefoot","score":0.39510661363601685}],"counts_by_year":[{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"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":2006,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":1},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":2},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":1},{"year":2023,"works_count":2,"oa_works_count":1,"cited_by_count":3},{"year":2024,"works_count":4,"oa_works_count":3,"cited_by_count":4},{"year":2025,"works_count":1,"oa_works_count":0,"cited_by_count":14},{"year":2026,"works_count":2,"oa_works_count":1,"cited_by_count":13}],"display_name_alternatives":["Hirai, Yoshihiro","Y Hirai","Y. Hirai","Yoshihiro Hirai","\u5e73\u4e95, \u4f73\u5b8f"],"block_key":"y hirai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5083591731","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5083591731","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}