{"id":"https://openalex.org/A5111960465","orcid":null,"observed_orcids":[],"display_name":"Koichi Tada","raw_author_names":["K Tada","KOICHI TADA","Koichi TADA","Koichi Tada"],"full_name":"Koichi Tada","works_count":46,"cited_by_count":1883,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":24,"i10_index":32},"ids":{"openalex":"https://openalex.org/A5111960465","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I201933988","ror":"https://ror.org/04j7mzp05","display_name":"Kagawa University","country_code":"JP","type":"education","lineage":["https://openalex.org/I201933988"]},"years":[1988,1987,1986,1985,1984]},{"institution":{"id":"https://openalex.org/I4210096007","ror":"https://ror.org/00qy68j92","display_name":"Corewell Health Blodgett Hospital","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210096007","https://openalex.org/I4392738273"]},"years":[1984]},{"institution":{"id":"https://openalex.org/I4210113343","ror":"https://ror.org/024ran220","display_name":"Kansai Rosai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210113343"]},"years":[2013,2009,2008,2007,2004,2003,2002,2001,2000,1999,1997]},{"institution":{"id":"https://openalex.org/I4210133817","ror":"https://ror.org/047sehh14","display_name":"Himeji Red Cross Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210133817"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I4210135297","ror":"https://ror.org/033sspj46","display_name":"Kagawa University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I201933988","https://openalex.org/I4210135297"]},"years":[1988,1987,1986,1985,1984]},{"institution":{"id":"https://openalex.org/I4210155576","ror":"https://ror.org/05rnn8t74","display_name":"Osaka University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210155576","https://openalex.org/I98285908"]},"years":[2001,1987,1984,1983,1982,1981]},{"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":[2003,2002,2001,1987,1986,1984,1983,1982,1981,1980,1977]}],"last_known_institutions":[{"id":"https://openalex.org/I4210113343","ror":"https://ror.org/024ran220","display_name":"Kansai Rosai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210113343"]}],"topics":[{"id":"https://openalex.org/T13107","display_name":"Congenital limb and hand anomalies","count":16,"subfield":{"id":"https://openalex.org/subfields/1309","display_name":"Developmental 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/T10630","display_name":"Orthopedic Surgery and Rehabilitation","count":15,"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/T10599","display_name":"Reconstructive Surgery and Microvascular Techniques","count":8,"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/T11518","display_name":"Cervical and Thoracic Myelopathy","count":7,"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/T11427","display_name":"Elbow and Forearm Trauma Treatment","count":6,"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/T13107","display_name":"Congenital limb and hand anomalies","value":0.0001393,"subfield":{"id":"https://openalex.org/subfields/1309","display_name":"Developmental 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/T12459","display_name":"Nerve Injury and Rehabilitation","value":7.77e-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"}},{"id":"https://openalex.org/T12960","display_name":"Heterotopic Ossification and Related Conditions","value":5.12e-05,"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/T10630","display_name":"Orthopedic Surgery and Rehabilitation","value":4.88e-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"}},{"id":"https://openalex.org/T11427","display_name":"Elbow and Forearm Trauma Treatment","value":4.4e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9791684746742249},{"id":"105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","score":0.7348184585571289},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.682464599609375},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.35179829597473145},{"id":"204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","score":0.0}],"counts_by_year":[{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":2,"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":3,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":2,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":2,"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":68},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":83},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":96},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":72},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":68},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":72},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":58},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":65},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":58},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":69},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":61},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":63},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":42},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":28}],"display_name_alternatives":["K Tada","KOICHI TADA","Koichi TADA","Koichi Tada"],"block_key":"k tada","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111960465","awards_count":0,"updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}