{"id":"https://openalex.org/A5113781538","orcid":null,"observed_orcids":[],"display_name":"Kei Koide","raw_author_names":["KEI KOIDE","Kei KOIDE","Kei Koide"],"full_name":"Kei KOIDE","works_count":19,"cited_by_count":68,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":6,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5113781538","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I113306721","ror":"https://ror.org/03t78wx29","display_name":"Hiroshima University","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]},"years":[2010,1995,1993]},{"institution":{"id":"https://openalex.org/I4210103538","ror":"https://ror.org/013s4zk47","display_name":"Hiroshima General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210103538"]},"years":[1991,1990]},{"institution":{"id":"https://openalex.org/I4210107840","ror":"https://ror.org/01rrd4612","display_name":"Hiroshima Prefectural Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210107840","https://openalex.org/I4405284852"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I4210126469","ror":"https://ror.org/03bd22t26","display_name":"Higashihiroshima Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210126469","https://openalex.org/I4210137409"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I4210134687","ror":"https://ror.org/03vwxd822","display_name":"Chugoku Rosai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210134687"]},"years":[2010,2008,2006,2005,2004]},{"institution":{"id":"https://openalex.org/I4405273983","ror":"https://ror.org/00tncdw10","display_name":"West Japan Railway Company (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405273983"]},"years":[1991,1990]},{"institution":{"id":"https://openalex.org/I875722105","ror":"https://ror.org/02n7mrn32","display_name":"Chubu Electric Power (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I875722105"]},"years":[2016]}],"last_known_institutions":[{"id":"https://openalex.org/I875722105","ror":"https://ror.org/02n7mrn32","display_name":"Chubu Electric Power (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I875722105"]}],"topics":[{"id":"https://openalex.org/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","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/T10518","display_name":"Gallbladder and Bile Duct Disorders","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/T12992","display_name":"Metastasis and carcinoma case studies","count":4,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/T10696","display_name":"Gastric Cancer Management and Outcomes","count":3,"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/T10253","display_name":"Sarcoma Diagnosis and Treatment","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"}}],"topic_share":[{"id":"https://openalex.org/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","value":4.98e-05,"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/T12992","display_name":"Metastasis and carcinoma case studies","value":1.87e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/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"}},{"id":"https://openalex.org/T13697","display_name":"Biliary and Gastrointestinal Fistulas","value":1.47e-05,"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/T12818","display_name":"Pneumothorax, Barotrauma, Emphysema","value":1.45e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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":0.9750962853431702},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.5939246416091919},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.5000855922698975},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.4439956843852997},{"id":"61434518","wikidata":"https://www.wikidata.org/wiki/Q932510","display_name":"General surgery","score":0.42829740047454834}],"counts_by_year":[{"year":1990,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":2,"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":0,"oa_works_count":0,"cited_by_count":2},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2016,"works_count":2,"oa_works_count":2,"cited_by_count":2},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["KEI KOIDE","Kei KOIDE","Kei Koide"],"block_key":"k koide","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113781538","updated_date":"2026-11-05T13:29:08","created_date":"2016-06-24T00:00:00"}
