{"id":"https://openalex.org/A5080913614","orcid":null,"observed_orcids":[],"display_name":"Masahiro Ryugo","raw_author_names":["M. Ryugo","Masahiro RYUGO","Masahiro Ryugo"],"full_name":"Masahiro RYUGO","works_count":50,"cited_by_count":286,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":10,"i10_index":10},"ids":{"openalex":"https://openalex.org/A5080913614","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210108563","ror":"https://ror.org/015x7ap02","display_name":"Osaka Police Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210108563"]},"years":[2007,2005]},{"institution":{"id":"https://openalex.org/I4210110672","ror":"https://ror.org/01vpa9c32","display_name":"Ehime University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210110672","https://openalex.org/I43545212"]},"years":[2015,2014,2011,2010]},{"institution":{"id":"https://openalex.org/I4210137409","ror":"https://ror.org/03ntccx93","display_name":"National Hospital Organization","country_code":"JP","type":"government","lineage":["https://openalex.org/I4210137409"]},"years":[2016,2015]},{"institution":{"id":"https://openalex.org/I4210148411","ror":"https://ror.org/03ydekn03","display_name":"Fukui CardioVascular Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210148411"]},"years":[2025,2024,2023,2022,2021,2020,2019]},{"institution":{"id":"https://openalex.org/I4210160686","ror":"https://ror.org/05te51965","display_name":"Kure Medical Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137409","https://openalex.org/I4210160686"]},"years":[2016,2015]},{"institution":{"id":"https://openalex.org/I43545212","ror":"https://ror.org/017hkng22","display_name":"Ehime University","country_code":"JP","type":"education","lineage":["https://openalex.org/I43545212"]},"years":[2015,2014,2013,2012,2011,2010,2009,2008,2007]},{"institution":{"id":"https://openalex.org/I91962293","ror":"https://ror.org/03mpkb302","display_name":"Pharmaceuticals and Medical Devices Agency","country_code":"JP","type":"government","lineage":["https://openalex.org/I91962293"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]},"years":[2006,2004]}],"last_known_institutions":[{"id":"https://openalex.org/I4210148411","ror":"https://ror.org/03ydekn03","display_name":"Fukui CardioVascular Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210148411"]}],"topics":[{"id":"https://openalex.org/T10618","display_name":"Aortic Disease and Treatment Approaches","count":16,"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","count":12,"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/T11055","display_name":"Cardiac and Coronary Surgery Techniques","count":10,"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/T10983","display_name":"Aortic aneurysm repair treatments","count":7,"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/T10372","display_name":"Cardiac Imaging and Diagnostics","count":6,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T10618","display_name":"Aortic Disease and Treatment Approaches","value":5.69e-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/T12018","display_name":"Coronary Artery Anomalies","value":5.44e-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/T12230","display_name":"Cardiovascular Issues in Pregnancy","value":4.18e-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/T12453","display_name":"Infectious Aortic and Vascular Conditions","value":4.05e-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/T10983","display_name":"Aortic aneurysm repair treatments","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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9923632144927979},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.7955079674720764},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7633945941925049},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.748162031173706},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.6142911911010742}],"counts_by_year":[{"year":2002,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":2010,"works_count":10,"oa_works_count":6,"cited_by_count":0},{"year":2011,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":8},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":16},{"year":2014,"works_count":4,"oa_works_count":3,"cited_by_count":15},{"year":2015,"works_count":3,"oa_works_count":1,"cited_by_count":16},{"year":2016,"works_count":2,"oa_works_count":1,"cited_by_count":18},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":19},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":18},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":22},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":28},{"year":2023,"works_count":3,"oa_works_count":1,"cited_by_count":15},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":14},{"year":2025,"works_count":3,"oa_works_count":3,"cited_by_count":21},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":10}],"display_name_alternatives":["M. Ryugo","Masahiro RYUGO","Masahiro Ryugo"],"block_key":"m ryugo","works_api_url":"https://api.openalex.org/works?filter=author.id:A5080913614","updated_date":"2026-11-06T12:48:51","created_date":"2016-06-24T00:00:00"}
