{"id":"https://openalex.org/A5113825414","orcid":null,"observed_orcids":[],"display_name":"Ritsu Yamamoto","raw_author_names":["R Yamamoto","R. YAMAMOTO","R. Yamamoto","RITSU YAMAMOTO","Ritsu Yamamoto"],"full_name":"Ritsu Yamamoto","works_count":78,"cited_by_count":2906,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":30,"i10_index":47},"ids":{"openalex":"https://openalex.org/A5113825414","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1316910977","ror":"https://ror.org/03g3m1w62","display_name":"DuPont (United States)","country_code":"US","type":"company","lineage":["https://openalex.org/I1316910977"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I168635309","ror":"https://ror.org/03yjb2x39","display_name":"University of Calgary","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]},"years":[1990]},{"institution":{"id":"https://openalex.org/I205349734","ror":"https://ror.org/02e16g702","display_name":"Hokkaido University","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]},"years":[2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1992,1990,1988]},{"institution":{"id":"https://openalex.org/I4210141669","ror":"https://ror.org/0419drx70","display_name":"Hokkaido University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210141669"]},"years":[2005,2003,2002,2000,1999,1998,1997,1996,1992,1988]},{"institution":{"id":"https://openalex.org/I4405286760","ror":"https://ror.org/0319h6x77","display_name":"Institute for Genetic Medicine, Hokkaido University","country_code":"JP","type":"facility","lineage":["https://openalex.org/I205349734","https://openalex.org/I4405286760"]},"years":[2001]},{"institution":{"id":"https://openalex.org/I79576946","ror":"https://ror.org/00b30xv10","display_name":"University of Pennsylvania","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]},"years":[1994,1991,1990]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10668","display_name":"Endometrial and Cervical Cancer Treatments","count":41,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10550","display_name":"Ovarian cancer diagnosis and treatment","count":30,"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/T10146","display_name":"Cervical Cancer and HPV Research","count":15,"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/T10602","display_name":"Glycosylation and Glycoproteins Research","count":8,"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/T10978","display_name":"Prenatal Screening and Diagnostics","count":6,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T13526","display_name":"14-3-3 protein interactions","value":0.0001586,"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/T10668","display_name":"Endometrial and Cervical Cancer Treatments","value":0.0001393,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10550","display_name":"Ovarian cancer diagnosis and treatment","value":9.98e-05,"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/T12387","display_name":"Galectins and Cancer Biology","value":4.9e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10146","display_name":"Cervical Cancer and HPV Research","value":4.47e-05,"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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9812526106834412},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.8788062334060669},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.710529625415802},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.6925325393676758},{"id":"143998085","wikidata":"https://www.wikidata.org/wiki/Q162555","display_name":"Oncology","score":0.634704053401947}],"counts_by_year":[{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1992,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":1999,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2000,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":12,"oa_works_count":3,"cited_by_count":0},{"year":2005,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":1,"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":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":144},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":117},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":131},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":148},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":123},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":112},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":103},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":145},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":105},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":127},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":88},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":60},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":48},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":59},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":41}],"display_name_alternatives":["R Yamamoto","R. YAMAMOTO","R. Yamamoto","RITSU YAMAMOTO","Ritsu Yamamoto"],"block_key":"r yamamoto","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113825414","updated_date":"2026-11-06T12:48:51","created_date":"2016-06-24T00:00:00"}