{"id":"https://openalex.org/A5113974315","orcid":null,"observed_orcids":[],"display_name":"Y. Chiba","raw_author_names":["Y Chiba","Y. Chiba"],"full_name":"Yasuhiro CHIBA","works_count":31,"cited_by_count":175,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":8,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5113974315","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210111404","ror":"https://ror.org/01v55qb38","display_name":"National Cerebral and Cardiovascular Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210111404"]},"years":[2006,2005,2003,2002,2001,2000,1992]},{"institution":{"id":"https://openalex.org/I4405253214","ror":"https://ror.org/00dnn6j70","display_name":"Japan Society of Obstetrics and Gynecology","country_code":"JP","type":"nonprofit","lineage":["https://openalex.org/I4405253214"]},"years":[2000]}],"last_known_institutions":[{"id":"https://openalex.org/I4210111404","ror":"https://ror.org/01v55qb38","display_name":"National Cerebral and Cardiovascular Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210111404"]}],"topics":[{"id":"https://openalex.org/T10290","display_name":"Pregnancy and preeclampsia studies","count":9,"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/T10978","display_name":"Prenatal Screening and Diagnostics","count":9,"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"}},{"id":"https://openalex.org/T10300","display_name":"Congenital Heart Disease Studies","count":8,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10453","display_name":"Maternal and Perinatal Health Interventions","count":6,"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/T11021","display_name":"ECG Monitoring and Analysis","count":5,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"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/T12272","display_name":"Cardiovascular Conditions and Treatments","value":6.51e-05,"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"}},{"id":"https://openalex.org/T10978","display_name":"Prenatal Screening and Diagnostics","value":4.99e-05,"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"}},{"id":"https://openalex.org/T12230","display_name":"Cardiovascular Issues in Pregnancy","value":4.17e-05,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular 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/T10290","display_name":"Pregnancy and preeclampsia studies","value":2.56e-05,"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/T11677","display_name":"Congenital heart defects research","value":2.52e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9772536754608154},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.662917971611023},{"id":"2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","score":0.5934484601020813},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.22806012630462646},{"id":"54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","score":0.05697226524353027}],"counts_by_year":[{"year":1978,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"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":7},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["Y Chiba","Y. Chiba"],"block_key":"y chiba","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113974315","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
