{"id":"https://openalex.org/A5103179797","orcid":"https://orcid.org/0000-0001-7450-260X","observed_orcids":["https://orcid.org/0000-0001-7450-260X"],"display_name":"Naohiko Koide","raw_author_names":["Koide, Naohiko","N Koide","N. KOIDE","N. Koide","NAOHIKO KOIDE","Naohiko KOIDE","Naohiko Koide"],"full_name":"Koide, Naohiko","works_count":155,"cited_by_count":2520,"summary_stats":{"2yr_mean_citedness":0.3333333333333333,"h_index":26,"i10_index":59},"ids":{"openalex":"https://openalex.org/A5103179797","orcid":"https://orcid.org/0000-0001-7450-260X","observed_orcids":["https://orcid.org/0000-0001-7450-260X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I137975476","ror":"https://ror.org/0244rem06","display_name":"Shinshu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I137975476"]},"years":[2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1995,1994]},{"institution":{"id":"https://openalex.org/I163770644","ror":"https://ror.org/02pc6pc55","display_name":"Okayama University","country_code":"JP","type":"education","lineage":["https://openalex.org/I163770644"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I4210129652","ror":"https://ror.org/03a2hf118","display_name":"Shinshu University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210129652"]},"years":[2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996]},{"institution":{"id":"https://openalex.org/I4210134554","ror":"https://ror.org/041mcya16","display_name":"Nagano Red Cross Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I2799517759","https://openalex.org/I4210134554"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I4405254359","ror":"https://ror.org/01qf62403","display_name":"SUWA Central Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405254359"]},"years":[2001]},{"institution":{"id":"https://openalex.org/I4405284614","ror":"https://ror.org/03wagw595","display_name":"Nagano Prefectural Kiso Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405284614"]},"years":[2025,2024,2022,2021,2020,2019,2018,2015,2014]},{"institution":{"id":"https://openalex.org/I4405285273","ror":"https://ror.org/053hhpd64","display_name":"National Cancer Center Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210087348","https://openalex.org/I4405285273"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I60134161","ror":"https://ror.org/04chrp450","display_name":"Nagoya University","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]},"years":[1974,1973,1972,1971,1970]}],"last_known_institutions":[{"id":"https://openalex.org/I4405284614","ror":"https://ror.org/03wagw595","display_name":"Nagano Prefectural Kiso Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405284614"]}],"topics":[{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","count":55,"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/T10619","display_name":"Esophageal Cancer Research and Treatment","count":43,"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/T11658","display_name":"Esophageal and GI Pathology","count":26,"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/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","count":18,"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/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","count":17,"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"}}],"topic_share":[{"id":"https://openalex.org/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","value":0.0001691,"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/T10619","display_name":"Esophageal Cancer Research and Treatment","value":0.0001596,"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/T14078","display_name":"Multiple and Secondary Primary Cancers","value":0.0001343,"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/T10696","display_name":"Gastric Cancer Management and Outcomes","value":0.0001195,"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/T11658","display_name":"Esophageal and GI Pathology","value":0.0001025,"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":0.9881712198257446},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.8325117230415344},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7801936268806458},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.7694942355155945},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.7627179622650146}],"counts_by_year":[{"year":1970,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1972,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":1999,"works_count":14,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":12,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":11,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":8,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":8,"oa_works_count":3,"cited_by_count":0},{"year":2012,"works_count":10,"oa_works_count":10,"cited_by_count":149},{"year":2013,"works_count":11,"oa_works_count":7,"cited_by_count":150},{"year":2014,"works_count":6,"oa_works_count":5,"cited_by_count":120},{"year":2015,"works_count":3,"oa_works_count":2,"cited_by_count":126},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":136},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":104},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":103},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":80},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":98},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":104},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":81},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":78},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":72},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":52},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":41}],"display_name_alternatives":["Koide, Naohiko","N Koide","N. KOIDE","N. Koide","NAOHIKO KOIDE","Naohiko KOIDE","Naohiko Koide"],"block_key":"n koide","works_api_url":"https://api.openalex.org/works?filter=author.id:A5103179797","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5103179797","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}