{"id":"https://openalex.org/A5111722654","orcid":null,"observed_orcids":[],"display_name":"Seizo Yamamoto","raw_author_names":["S. Yamamoto","SEIZO YAMAMOTO","Seizo Yamamoto","Yamamoto Seizo"],"full_name":"Seizo Yamamoto","works_count":61,"cited_by_count":3947,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":26,"i10_index":35},"ids":{"openalex":"https://openalex.org/A5111722654","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210131967","ror":"https://ror.org/03na8p459","display_name":"Yokohama Rosai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210131967"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I4210140609","ror":"https://ror.org/03rd0p893","display_name":"Tokyo Metropolitan Institute of Gerontology","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210140609"]},"years":[2011,2010,2009]},{"institution":{"id":"https://openalex.org/I4210152580","ror":"https://ror.org/04emv5a43","display_name":"Tokyo Metropolitan Geriatric Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210152580"]},"years":[2010,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997]},{"institution":{"id":"https://openalex.org/I4210166463","ror":"https://ror.org/05rkz5e28","display_name":"Toranomon Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210166463"]},"years":[2022,2021,2020,2011,2010,2009,2008]},{"institution":{"id":"https://openalex.org/I4405284703","ror":"https://ror.org/042k3bz59","display_name":"Toranomon Hospital Kajigaya","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405257210","https://openalex.org/I4405284703"]},"years":[2022,2021,2020]},{"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":[2006,1992]}],"last_known_institutions":[{"id":"https://openalex.org/I4210166463","ror":"https://ror.org/05rkz5e28","display_name":"Toranomon Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210166463"]},{"id":"https://openalex.org/I4405284703","ror":"https://ror.org/042k3bz59","display_name":"Toranomon Hospital Kajigaya","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405257210","https://openalex.org/I4405284703"]}],"topics":[{"id":"https://openalex.org/T10071","display_name":"Bone health and osteoporosis research","count":20,"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/T10105","display_name":"Osteoarthritis Treatment and Mechanisms","count":15,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T11219","display_name":"Bone Metabolism and Diseases","count":12,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10200","display_name":"Rheumatoid Arthritis Research and Therapies","count":9,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T10238","display_name":"Spine and Intervertebral Disc Pathology","count":8,"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/T12459","display_name":"Nerve Injury and Rehabilitation","value":0.0001166,"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/T12960","display_name":"Heterotopic Ossification and Related Conditions","value":0.0001023,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T10071","display_name":"Bone health and osteoporosis research","value":5.64e-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/T11219","display_name":"Bone Metabolism and Diseases","value":5.08e-05,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11509","display_name":"Hip and Femur Fractures","value":4.61e-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":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9875187873840332},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7338089346885681},{"id":"105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","score":0.7095744609832764},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6611994504928589},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.41818124055862427}],"counts_by_year":[{"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":1996,"works_count":2,"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":1,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":197},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":202},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":188},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":221},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":186},{"year":2017,"works_count":2,"oa_works_count":0,"cited_by_count":202},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":169},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":186},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":179},{"year":2021,"works_count":8,"oa_works_count":7,"cited_by_count":233},{"year":2022,"works_count":2,"oa_works_count":1,"cited_by_count":176},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":193},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":183},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":198},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":143}],"display_name_alternatives":["S. Yamamoto","SEIZO YAMAMOTO","Seizo Yamamoto","Yamamoto Seizo"],"block_key":"s yamamoto","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111722654","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111722654","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
