{"id":"https://openalex.org/A5110120455","orcid":null,"observed_orcids":[],"display_name":"Ryousuke Matsuwaka","raw_author_names":["Matsuwaka, Ryousuke","RYOUSUKE MATSUWAKA","Ryousuke Matsuwaka"],"full_name":"Ryousuke Matsuwaka","works_count":26,"cited_by_count":204,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":9,"i10_index":9},"ids":{"openalex":"https://openalex.org/A5110120455","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":[1998,1997,1996,1995]},{"institution":{"id":"https://openalex.org/I4210155576","ror":"https://ror.org/05rnn8t74","display_name":"Osaka University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210155576","https://openalex.org/I98285908"]},"years":[1994,1992,1991,1990]},{"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":[1997,1995,1994,1992,1991,1990,1989]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11055","display_name":"Cardiac and Coronary Surgery Techniques","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/T10675","display_name":"Mechanical Circulatory Support Devices","count":11,"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/T10821","display_name":"Cardiovascular Function and Risk Factors","count":6,"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":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"}},{"id":"https://openalex.org/T11189","display_name":"Transplantation: Methods and Outcomes","count":5,"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"}}],"topic_share":[{"id":"https://openalex.org/T10675","display_name":"Mechanical Circulatory Support Devices","value":6.02e-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/T11055","display_name":"Cardiac and Coronary Surgery Techniques","value":4.61e-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/T12598","display_name":"Cardiac Structural Anomalies and Repair","value":2.83e-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/T12230","display_name":"Cardiovascular Issues in Pregnancy","value":2.09e-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/T10983","display_name":"Aortic aneurysm repair treatments","value":1.7e-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":0.9745136499404907},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.8071370124816895},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7377947568893433},{"id":"2778881276","wikidata":"https://www.wikidata.org/wiki/Q552304","display_name":"Cardiopulmonary bypass","score":0.7201589941978455},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.5676983594894409}],"counts_by_year":[{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"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":1991,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":4,"oa_works_count":2,"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":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":4}],"display_name_alternatives":["Matsuwaka, Ryousuke","RYOUSUKE MATSUWAKA","Ryousuke Matsuwaka"],"block_key":"r matsuwaka","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110120455","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
