{"id":"https://openalex.org/A5082361718","orcid":"https://orcid.org/0000-0002-0239-7596","observed_orcids":["https://orcid.org/0000-0002-0239-7596"],"display_name":"Masato Hayakawa","raw_author_names":["Masato Hayakawa"],"full_name":"Masato Hayakawa","works_count":20,"cited_by_count":222,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":6,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5082361718","orcid":"https://orcid.org/0000-0002-0239-7596","observed_orcids":["https://orcid.org/0000-0002-0239-7596"]},"affiliations":[{"institution":{"id":"https://openalex.org/I160046202","ror":"https://ror.org/00d8gp927","display_name":"Shiga University of Medical Science","country_code":"JP","type":"education","lineage":["https://openalex.org/I160046202"]},"years":[2014,2013,2012]},{"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":[2019]},{"institution":{"id":"https://openalex.org/I4210121081","ror":"https://ror.org/03mpa4w20","display_name":"Okinawa Prefectural Chubu Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210121081"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4405253448","ror":"https://ror.org/00nwxj335","display_name":"Hokkaido Cardiovascular Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405253448"]},"years":[2019]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10618","display_name":"Aortic Disease and Treatment Approaches","count":11,"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/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"}},{"id":"https://openalex.org/T10983","display_name":"Aortic aneurysm repair treatments","count":6,"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/T11055","display_name":"Cardiac and Coronary Surgery Techniques","count":6,"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/T12453","display_name":"Infectious Aortic and Vascular Conditions","count":6,"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/T12453","display_name":"Infectious Aortic and Vascular Conditions","value":8.11e-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/T12018","display_name":"Coronary Artery Anomalies","value":5.45e-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/T10618","display_name":"Aortic Disease and Treatment Approaches","value":3.91e-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/T10983","display_name":"Aortic aneurysm repair treatments","value":3.41e-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/T11055","display_name":"Cardiac and Coronary Surgery Techniques","value":2.13e-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":0.9787285327911377},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.8341761827468872},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.8128911256790161},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6943668127059937},{"id":"2779980429","wikidata":"https://www.wikidata.org/wiki/Q101004","display_name":"Aorta","score":0.5139181613922119}],"counts_by_year":[{"year":2003,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2013,"works_count":8,"oa_works_count":5,"cited_by_count":3},{"year":2014,"works_count":2,"oa_works_count":2,"cited_by_count":6},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2019,"works_count":2,"oa_works_count":2,"cited_by_count":16},{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":22},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":18},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":20},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":23},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":10},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":12}],"display_name_alternatives":["Masato Hayakawa"],"block_key":"m hayakawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5082361718","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}