{"id":"https://openalex.org/A5040366706","orcid":null,"observed_orcids":[],"display_name":"Osamu Okuda","raw_author_names":["O Okuda","O. OKUDA","O. Okuda","OSAMU OKUDA","Okuda, Osamu","Osamu OKUDA","Osamu Okuda"],"full_name":"Okuda, Osamu","works_count":127,"cited_by_count":1632,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":17,"i10_index":24},"ids":{"openalex":"https://openalex.org/A5040366706","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1299303238","ror":"https://ror.org/01cwqze88","display_name":"National Institutes of Health","country_code":"US","type":"government","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238"]},"years":[1991,1990]},{"institution":{"id":"https://openalex.org/I2799590887","ror":"https://ror.org/04dd5bw95","display_name":"Fujisawa City Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I2799590887"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I34077901","ror":"https://ror.org/01692sz90","display_name":"Juntendo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I34077901"]},"years":[2008,2004,2001,2000,1999,1998,1997,1996,1991]},{"institution":{"id":"https://openalex.org/I40677808","ror":"https://ror.org/028vxwa22","display_name":"Kyoto Prefectural University of Medicine","country_code":"JP","type":"education","lineage":["https://openalex.org/I40677808","https://openalex.org/I4405285717"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I4210091817","ror":"https://ror.org/00cty0112","display_name":"Takasago (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210091817"]},"years":[1951,1939]},{"institution":{"id":"https://openalex.org/I4210103779","ror":"https://ror.org/0254bmq54","display_name":"National Center of Neurology and Psychiatry","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210103779"]},"years":[1997]},{"institution":{"id":"https://openalex.org/I4210110767","ror":"https://ror.org/01s5ya894","display_name":"National Institute of Neurological Disorders and Stroke","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210110767"]},"years":[1991,1990]},{"institution":{"id":"https://openalex.org/I4210144228","ror":"https://ror.org/04byxyr05","display_name":"Eunice Kennedy Shriver National Institute of Child Health and Human Development","country_code":"US","type":"facility","lineage":["https://openalex.org/I1299022934","https://openalex.org/I1299303238","https://openalex.org/I4210144228"]},"years":[1991]},{"institution":{"id":"https://openalex.org/I4405283298","ror":"https://ror.org/01d6kr923","display_name":"Juntendo Tokyo Koto Geriatric Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405283298"]},"years":[2022,2017,2016,2013,2009]},{"institution":{"id":"https://openalex.org/I4405287400","ror":"https://ror.org/052fnx536","display_name":"National Institute of Neuroscience","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210103779","https://openalex.org/I4405287400"]},"years":[1997]},{"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":[2000]},{"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":[2001,1995,1983]},{"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":[1996,1995,1994,1993]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T12632","display_name":"Visual Culture and Art Theory","count":17,"subfield":{"id":"https://openalex.org/subfields/1213","display_name":"Visual Arts and Performing Arts"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13221","display_name":"Biological Activity of Diterpenoids and Biflavonoids","count":14,"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/T14322","display_name":"Art, Aesthetics, and Perception","count":13,"subfield":{"id":"https://openalex.org/subfields/1213","display_name":"Visual Arts and Performing Arts"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12530","display_name":"Bioactive Natural Diterpenoids Research","count":12,"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/T13859","display_name":"Organic Chemistry Synthesis Methods","count":12,"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"}}],"topic_share":[{"id":"https://openalex.org/T13221","display_name":"Biological Activity of Diterpenoids and Biflavonoids","value":0.0002464,"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/T12530","display_name":"Bioactive Natural Diterpenoids Research","value":0.0001628,"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/T12193","display_name":"Trigeminal Neuralgia and Treatments","value":6.42e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T11833","display_name":"Spinal Dysraphism and Malformations","value":3.84e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T13342","display_name":"Art History and Market Analysis","value":3.83e-05,"subfield":{"id":"https://openalex.org/subfields/1213","display_name":"Visual Arts and Performing Arts"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.971362292766571},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9713561534881592},{"id":"142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","score":0.6973999738693237},{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.6559100151062012},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.6272397041320801}],"counts_by_year":[{"year":1939,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1940,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1951,"works_count":5,"oa_works_count":5,"cited_by_count":0},{"year":1952,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1953,"works_count":5,"oa_works_count":5,"cited_by_count":0},{"year":1962,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1964,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1968,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1970,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":7,"oa_works_count":4,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"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":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":60},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":52},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":57},{"year":2015,"works_count":3,"oa_works_count":3,"cited_by_count":59},{"year":2016,"works_count":2,"oa_works_count":1,"cited_by_count":52},{"year":2017,"works_count":4,"oa_works_count":4,"cited_by_count":47},{"year":2018,"works_count":2,"oa_works_count":2,"cited_by_count":59},{"year":2019,"works_count":2,"oa_works_count":1,"cited_by_count":63},{"year":2020,"works_count":10,"oa_works_count":10,"cited_by_count":59},{"year":2021,"works_count":7,"oa_works_count":7,"cited_by_count":62},{"year":2022,"works_count":13,"oa_works_count":13,"cited_by_count":81},{"year":2023,"works_count":13,"oa_works_count":13,"cited_by_count":69},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":54},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":27}],"display_name_alternatives":["O Okuda","O. OKUDA","O. Okuda","OSAMU OKUDA","Okuda, Osamu","Osamu OKUDA","Osamu Okuda"],"block_key":"o okuda","works_api_url":"https://api.openalex.org/works?filter=author.id:A5040366706","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}