{"id":"https://openalex.org/A5111995847","orcid":"https://orcid.org/0000-0002-2511-769X","observed_orcids":["https://orcid.org/0000-0002-2511-769X"],"display_name":"Kenji Obara","raw_author_names":["K Obara","KENJI OBARA","Kenji OBARA","Kenji Obara","Obara, Kenji"],"full_name":"Obara, Kenji","works_count":48,"cited_by_count":971,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":12,"i10_index":13},"ids":{"openalex":"https://openalex.org/A5111995847","orcid":"https://orcid.org/0000-0002-2511-769X","observed_orcids":["https://orcid.org/0000-0002-2511-769X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210086933","ror":"https://ror.org/005dvqh91","display_name":"NYU Langone Health","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210086933"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I57206974","ror":"https://ror.org/0190ak572","display_name":"New York University","country_code":"US","type":"education","lineage":["https://openalex.org/I57206974"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I71395657","ror":"https://ror.org/04ww21r56","display_name":"Niigata University","country_code":"JP","type":"education","lineage":["https://openalex.org/I71395657"]},"years":[2025,2020,2019,2018,2017,2016,2012,2011,2010,2009,2008,2007,2006,2005,2003,2002,2001,2000,1999,1997,1995,1994,1993,1992,1990]},{"institution":{"id":"https://openalex.org/I89630735","ror":"https://ror.org/0135d1r83","display_name":"Yokohama City University","country_code":"JP","type":"education","lineage":["https://openalex.org/I89630735"]},"years":[2002]},{"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":[1999]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10279","display_name":"Urinary Bladder and Prostate Research","count":23,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T11174","display_name":"Pediatric Urology and Nephrology Studies","count":15,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T11815","display_name":"Urological Disorders and Treatments","count":15,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T11232","display_name":"Urinary Tract Infections Management","count":7,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T11054","display_name":"Adrenal and Paraganglionic Tumors","count":6,"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"}}],"topic_share":[{"id":"https://openalex.org/T13223","display_name":"Connective Tissue Growth Factor Research","value":7.2e-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/T11174","display_name":"Pediatric Urology and Nephrology Studies","value":7.04e-05,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T14486","display_name":"Cardiovascular, Neuropeptides, and Oxidative Stress Research","value":5.72e-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/T10279","display_name":"Urinary Bladder and Prostate Research","value":4.74e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T11815","display_name":"Urological Disorders and Treatments","value":4.34e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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":0.9912999868392944},{"id":"77411442","wikidata":"https://www.wikidata.org/wiki/Q181100","display_name":"Urinary system","score":0.8154410123825073},{"id":"126894567","wikidata":"https://www.wikidata.org/wiki/Q105650","display_name":"Urology","score":0.7625465393066406},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.7547187209129333},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6339685320854187}],"counts_by_year":[{"year":1990,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"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":0,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2003,"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":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"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":4,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":2,"cited_by_count":64},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":66},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":65},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":57},{"year":2016,"works_count":3,"oa_works_count":1,"cited_by_count":47},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":40},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":25},{"year":2019,"works_count":2,"oa_works_count":0,"cited_by_count":42},{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":28},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":18},{"year":2026,"works_count":1,"oa_works_count":0,"cited_by_count":14}],"display_name_alternatives":["K Obara","KENJI OBARA","Kenji OBARA","Kenji Obara","Obara, Kenji"],"block_key":"k obara","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111995847","updated_date":"2026-10-29T12:27:34","created_date":"2016-06-24T00:00:00"}