{"id":"https://openalex.org/A5110124382","orcid":null,"observed_orcids":[],"display_name":"Yoshifumi Yokoyama","raw_author_names":["Y YOKOYAMA","YOSHIFUMI YOKOYAMA","Yoshifumi YOKOYAMA","Yoshifumi Yokoyama"],"full_name":"Yoshifumi Yokoyama","works_count":63,"cited_by_count":930,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":16,"i10_index":23},"ids":{"openalex":"https://openalex.org/A5110124382","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I32389192","ror":"https://ror.org/008s83205","display_name":"University of Alabama at Birmingham","country_code":"US","type":"education","lineage":["https://openalex.org/I32389192"]},"years":[1998,1993]},{"institution":{"id":"https://openalex.org/I33858575","ror":"https://ror.org/04wn7wc95","display_name":"Nagoya City University","country_code":"JP","type":"education","lineage":["https://openalex.org/I33858575"]},"years":[2014,2007,2005,2004,2003,2002,2001,2000,1998,1997,1996,1995,1994,1988,1986,1982]},{"institution":{"id":"https://openalex.org/I4210091314","ror":"https://ror.org/00jy2zq62","display_name":"Gifu Prefectural Tajimi Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210091314"]},"years":[2002,2001,2000]},{"institution":{"id":"https://openalex.org/I4210137039","ror":"https://ror.org/03md8p445","display_name":"The Cancer Institute Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137039"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I4405256838","ror":"https://ror.org/04k6ang09","display_name":"Nagoya Medical Association","country_code":"JP","type":"nonprofit","lineage":["https://openalex.org/I4405256838"]},"years":[2014]},{"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":[2003,2000,1998,1997]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","count":13,"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/T10518","display_name":"Gallbladder and Bile Duct Disorders","count":13,"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/T10365","display_name":"Gastrointestinal motility and disorders","count":12,"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/T10678","display_name":"Inflammatory mediators and NSAID effects","count":7,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"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":7,"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/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","value":3.79e-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/T10518","display_name":"Gallbladder and Bile Duct Disorders","value":2.93e-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/T10678","display_name":"Inflammatory mediators and NSAID effects","value":2.91e-05,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"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/T11480","display_name":"Connexins and lens biology","value":2.91e-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/T13697","display_name":"Biliary and Gastrointestinal Fistulas","value":2.84e-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":0.9836969375610352},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7973887324333191},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.7935070395469666},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.556246817111969},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.4417560398578644}],"counts_by_year":[{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"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":1,"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":3,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":10,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":9,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"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":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":32},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":33},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":33},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":4}],"display_name_alternatives":["Y YOKOYAMA","YOSHIFUMI YOKOYAMA","Yoshifumi YOKOYAMA","Yoshifumi Yokoyama"],"block_key":"y yokoyama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110124382","updated_date":"2026-10-28T12:34:19","created_date":"2016-06-24T00:00:00"}
