{"id":"https://openalex.org/A5014689092","orcid":"https://orcid.org/0000-0001-9002-9621","observed_orcids":["https://orcid.org/0000-0001-9002-9621"],"display_name":"Koji Ogata","raw_author_names":["K Ogata","K. Ogata","Koji OGATA","Koji Ogata","Koji. Ogata","Ogata, Koji"],"full_name":"Koji Ogata (494313)","works_count":112,"cited_by_count":3474,"summary_stats":{"2yr_mean_citedness":1.5,"h_index":29,"i10_index":47},"ids":{"openalex":"https://openalex.org/A5014689092","orcid":"https://orcid.org/0000-0001-9002-9621","observed_orcids":["https://orcid.org/0000-0001-9002-9621"]},"affiliations":[{"institution":{"id":"https://openalex.org/I132053463","ror":"https://ror.org/01r9htc13","display_name":"Universit\u00e9 Libre de Bruxelles","country_code":"BE","type":"education","lineage":["https://openalex.org/I132053463"]},"years":[2003,2002]},{"institution":{"id":"https://openalex.org/I185261750","ror":"https://ror.org/03dbr7087","display_name":"University of Toronto","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I201954162","ror":"https://ror.org/02v1sf687","display_name":"University of Kochi","country_code":"JP","type":"education","lineage":["https://openalex.org/I201954162","https://openalex.org/I4405286278"]},"years":[2014,2012,2011,2009]},{"institution":{"id":"https://openalex.org/I22299242","ror":"https://ror.org/02kpeqv85","display_name":"Kyoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I2801317318","ror":"https://ror.org/057q4rt57","display_name":"Hospital for Sick Children","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I2801317318"]},"years":[2011,2010,2009,2008,2007,2006,2005]},{"institution":{"id":"https://openalex.org/I4210088960","ror":"https://ror.org/013rvtk45","display_name":"Kochi Medical School Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210088960"]},"years":[2016,2015,2010]},{"institution":{"id":"https://openalex.org/I4210110652","ror":"https://ror.org/01sjwvz98","display_name":"RIKEN","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652"]},"years":[2019,2018,2017,2016,2015,2014,2013,2012]},{"institution":{"id":"https://openalex.org/I4210112011","ror":"https://ror.org/022tqjv17","display_name":"University of Yamanashi Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210112011"]},"years":[2009,2003]},{"institution":{"id":"https://openalex.org/I4210166086","ror":"https://ror.org/05r286q94","display_name":"Yamanashi Prefectural Central Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210166086","https://openalex.org/I4405284837"]},"years":[2002,2000]},{"institution":{"id":"https://openalex.org/I4405283604","ror":"https://ror.org/01yqvb905","display_name":"Dokkyo Medical University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405283604"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4405287038","ror":"https://ror.org/03xzehp18","display_name":"Research Center for Advanced Science and Technology, The University of Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405287038","https://openalex.org/I74801974"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I55143463","ror":"https://ror.org/048tbm396","display_name":"University of Turin","country_code":"IT","type":"education","lineage":["https://openalex.org/I55143463"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I64189623","ror":"https://ror.org/00f2txz25","display_name":"Kitasato University","country_code":"JP","type":"education","lineage":["https://openalex.org/I64189623"]},"years":[2000,1998]},{"institution":{"id":"https://openalex.org/I66906201","ror":"https://ror.org/059x21724","display_name":"University of Yamanashi","country_code":"JP","type":"education","lineage":["https://openalex.org/I66906201"]},"years":[2010,2009,2006,2004,2003]},{"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":[2015]},{"institution":{"id":"https://openalex.org/I77063589","ror":"https://ror.org/01xxp6985","display_name":"K\u014dchi University","country_code":"JP","type":"education","lineage":["https://openalex.org/I77063589"]},"years":[2016,2015,2014,2013,2012,2011,2009]},{"institution":{"id":"https://openalex.org/I78274823","ror":"https://ror.org/05k27ay38","display_name":"Dokkyo Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I78274823"]},"years":[2024,2023,2022,2021,2020,2019,2018]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10408","display_name":"Chronic Kidney Disease and Diabetes","count":15,"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/T10044","display_name":"Protein Structure and Dynamics","count":14,"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/T10684","display_name":"Acute Kidney Injury Research","count":13,"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/T11177","display_name":"Spectroscopy and Quantum Chemical Studies","count":13,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10303","display_name":"Photosynthetic Processes and Mechanisms","count":11,"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"}}],"topic_share":[{"id":"https://openalex.org/T13452","display_name":"GDF15 and Related Biomarkers","value":0.0004805,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T12453","display_name":"Infectious Aortic and Vascular Conditions","value":0.0001079,"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/T12598","display_name":"Cardiac Structural Anomalies and Repair","value":4.71e-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/T10303","display_name":"Photosynthetic Processes and Mechanisms","value":4.5e-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/T10684","display_name":"Acute Kidney Injury Research","value":4.17e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9832352995872498},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9796407222747803},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7636159658432007},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6556000113487244},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.6141820549964905}],"counts_by_year":[{"year":1988,"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":1998,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":2010,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":13,"oa_works_count":3,"cited_by_count":116},{"year":2013,"works_count":10,"oa_works_count":4,"cited_by_count":157},{"year":2014,"works_count":7,"oa_works_count":2,"cited_by_count":177},{"year":2015,"works_count":11,"oa_works_count":3,"cited_by_count":182},{"year":2016,"works_count":7,"oa_works_count":4,"cited_by_count":223},{"year":2017,"works_count":3,"oa_works_count":1,"cited_by_count":215},{"year":2018,"works_count":2,"oa_works_count":2,"cited_by_count":209},{"year":2019,"works_count":4,"oa_works_count":3,"cited_by_count":225},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":238},{"year":2021,"works_count":3,"oa_works_count":2,"cited_by_count":252},{"year":2022,"works_count":3,"oa_works_count":3,"cited_by_count":196},{"year":2023,"works_count":4,"oa_works_count":4,"cited_by_count":207},{"year":2024,"works_count":3,"oa_works_count":3,"cited_by_count":213},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":176},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":153}],"display_name_alternatives":["K Ogata","K. Ogata","Koji OGATA","Koji Ogata","Koji. Ogata","Ogata, Koji"],"block_key":"k ogata","works_api_url":"https://api.openalex.org/works?filter=author.id:A5014689092","awards_count":0,"updated_date":"2026-11-09T14:06:01","created_date":"2016-06-24T00:00:00"}
