{"id":"https://openalex.org/A5013328463","orcid":null,"observed_orcids":[],"display_name":"Kazuo NAMIKAWA","raw_author_names":["K Namikawa","K. Namikawa","Kazuo NAMIKAWA","Kazuo Namikawa"],"full_name":"Kazuo NAMIKAWA","works_count":31,"cited_by_count":73,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":4,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5013328463","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210115139","ror":"https://ror.org/01gvmn480","display_name":"Tokai University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210115139"]},"years":[1989]},{"institution":{"id":"https://openalex.org/I4210165499","ror":"https://ror.org/05sy5w128","display_name":"Kumamoto Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4210165499"]},"years":[1993,1990,1988]},{"institution":{"id":"https://openalex.org/I96036126","ror":"https://ror.org/02cgss904","display_name":"Kumamoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I96036126"]},"years":[1993]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10518","display_name":"Gallbladder and Bile Duct Disorders","count":8,"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/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","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/T12089","display_name":"Intestinal and Peritoneal Adhesions","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/T13697","display_name":"Biliary and Gastrointestinal Fistulas","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/T10858","display_name":"Clinical Nutrition and Gastroenterology","count":3,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12089","display_name":"Intestinal and Peritoneal Adhesions","value":3.97e-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":2.94e-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/T12463","display_name":"Amoebic Infections and Treatments","value":2.27e-05,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"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","value":1.99e-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/T11586","display_name":"Congenital Diaphragmatic Hernia Studies","value":1.9e-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":0.9656542539596558},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.7340857982635498},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.6117310523986816},{"id":"61434518","wikidata":"https://www.wikidata.org/wiki/Q932510","display_name":"General surgery","score":0.5331284999847412},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.509021520614624}],"counts_by_year":[{"year":1983,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1987,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1988,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":7,"oa_works_count":7,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"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":2},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["K Namikawa","K. Namikawa","Kazuo NAMIKAWA","Kazuo Namikawa"],"block_key":"k namikawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5013328463","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5013328463","updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}
