{"id":"https://openalex.org/A5111510366","orcid":null,"observed_orcids":[],"display_name":"Takero Koike","raw_author_names":["Koike, Takero","Takero Koike"],"full_name":"Takero Koike","works_count":15,"cited_by_count":137,"summary_stats":{"2yr_mean_citedness":2.0,"h_index":6,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5111510366","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I109009565","ror":"https://ror.org/01vj3cz23","display_name":"Dokkyo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I109009565"]},"years":[2014,2008]},{"institution":{"id":"https://openalex.org/I4210090177","ror":"https://ror.org/0093xcb35","display_name":"Ashikaga Red Cross Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I2799517759","https://openalex.org/I4210090177"]},"years":[2015,2014]},{"institution":{"id":"https://openalex.org/I4210137409","ror":"https://ror.org/03ntccx93","display_name":"National Hospital Organization","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210137409"]},"years":[2026,2023]},{"institution":{"id":"https://openalex.org/I4210157776","ror":"https://ror.org/057hbdz28","display_name":"Tochigi Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4210157776"]},"years":[2026,2023,2022]},{"institution":{"id":"https://openalex.org/I4405284033","ror":"https://ror.org/02skza330","display_name":"Tokyo Takanawa Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210132540","https://openalex.org/I4405284033"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I4405285107","ror":"https://ror.org/04sxeh927","display_name":"Tochigi Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405285107"]},"years":[2026,2023,2022]},{"institution":{"id":"https://openalex.org/I4405285650","ror":"https://ror.org/05vq1f834","display_name":"National Hospital Organization Utsunomiya National Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405285650"]},"years":[2026]},{"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":[2014,2008,2007,2006]}],"last_known_institutions":[{"id":"https://openalex.org/I4210137409","ror":"https://ror.org/03ntccx93","display_name":"National Hospital Organization","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210137409"]},{"id":"https://openalex.org/I4210157776","ror":"https://ror.org/057hbdz28","display_name":"Tochigi Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4210157776"]},{"id":"https://openalex.org/I4405285107","ror":"https://ror.org/04sxeh927","display_name":"Tochigi Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405285107"]},{"id":"https://openalex.org/I4405285650","ror":"https://ror.org/05vq1f834","display_name":"National Hospital Organization Utsunomiya National Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4405285650"]}],"topics":[{"id":"https://openalex.org/T10518","display_name":"Gallbladder and Bile Duct Disorders","count":5,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","count":4,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10760","display_name":"Pancreatitis Pathology and Treatment","count":4,"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/T10696","display_name":"Gastric Cancer Management and Outcomes","count":2,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T11364","display_name":"Cholangiocarcinoma and Gallbladder Cancer Studies","count":2,"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/T11473","display_name":"Appendicitis Diagnosis and Management","value":1.98e-05,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency 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/T12212","display_name":"CNS Lymphoma Diagnosis and Treatment","value":1.64e-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/T10760","display_name":"Pancreatitis Pathology and Treatment","value":1.6e-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/T11576","display_name":"IgG4-Related and Inflammatory Diseases","value":1.58e-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/T11364","display_name":"Cholangiocarcinoma and Gallbladder Cancer Studies","value":1.55e-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":0.9810287952423096},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7075134515762329},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6531999707221985},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.641291618347168},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.5280333757400513}],"counts_by_year":[{"year":2006,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2014,"works_count":2,"oa_works_count":1,"cited_by_count":7},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":4},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":9},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":10},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":9},{"year":2023,"works_count":2,"oa_works_count":2,"cited_by_count":4},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":8}],"display_name_alternatives":["Koike, Takero","Takero Koike"],"block_key":"t koike","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111510366","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}