{"id":"https://openalex.org/A5111464689","orcid":null,"observed_orcids":[],"display_name":"Hiroyuki Kawajiri","raw_author_names":["Hiroyuki Kawajiri"],"full_name":"Hiroyuki Kawajiri","works_count":23,"cited_by_count":463,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5111464689","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1325899441","ror":"https://ror.org/042xt5161","display_name":"University Health Network","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1325899441"]},"years":[2019,2017,2016,2015,2014]},{"institution":{"id":"https://openalex.org/I185261750","ror":"https://ror.org/03dbr7087","display_name":"University of Toronto","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]},"years":[2019,2016,2015,2014]},{"institution":{"id":"https://openalex.org/I203951103","ror":"https://ror.org/02kn6nx58","display_name":"Keio University","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]},"years":[2014,2013,2012,2010]},{"institution":{"id":"https://openalex.org/I2801845744","ror":"https://ror.org/026pg9j08","display_name":"Toronto General Hospital","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1325899441","https://openalex.org/I2801845744"]},"years":[2019,2016,2015,2014]},{"institution":{"id":"https://openalex.org/I4210089534","ror":"https://ror.org/00ceh2v36","display_name":"Hiratsuka City Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210089534"]},"years":[2014,2013]},{"institution":{"id":"https://openalex.org/I4210090177","ror":"https://ror.org/0093xcb35","display_name":"Ashikaga Red Cross Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I2799517759","https://openalex.org/I4210090177"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I4210091032","ror":"https://ror.org/00cgnj660","display_name":"Ted Rogers Centre for Heart Research","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I1325899441","https://openalex.org/I185261750","https://openalex.org/I4210091032","https://openalex.org/I4210141030"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I4210107168","ror":"https://ror.org/01k8ej563","display_name":"Keio University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210107168"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I4388446367","ror":"https://ror.org/04cm2y595","display_name":"Toronto General Hospital Research Institute","country_code":"CA","type":"facility","lineage":["https://openalex.org/I1325899441","https://openalex.org/I2801845744","https://openalex.org/I4388446367"]},"years":[2019]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11189","display_name":"Transplantation: Methods and Outcomes","count":11,"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/T10618","display_name":"Aortic Disease and Treatment Approaches","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/T10675","display_name":"Mechanical Circulatory Support Devices","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/T10172","display_name":"Cardiac Valve Diseases and Treatments","count":4,"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","count":4,"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/T11332","display_name":"Genomics, phytochemicals, and oxidative stress","value":5.14e-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"}},{"id":"https://openalex.org/T11189","display_name":"Transplantation: Methods and Outcomes","value":2.94e-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/T10675","display_name":"Mechanical Circulatory Support Devices","value":2.73e-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":2.7e-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":0.9820390343666077},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.789488673210144},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.7522575855255127},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7234306335449219},{"id":"2778849806","wikidata":"https://www.wikidata.org/wiki/Q643396","display_name":"Heart transplantation","score":0.6104530096054077}],"counts_by_year":[{"year":2009,"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":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":1,"cited_by_count":2},{"year":2013,"works_count":3,"oa_works_count":3,"cited_by_count":3},{"year":2014,"works_count":5,"oa_works_count":1,"cited_by_count":5},{"year":2015,"works_count":4,"oa_works_count":0,"cited_by_count":4},{"year":2016,"works_count":2,"oa_works_count":1,"cited_by_count":9},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":12},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2019,"works_count":2,"oa_works_count":2,"cited_by_count":32},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":67},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":66},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":56},{"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":38},{"year":2026,"works_count":1,"oa_works_count":0,"cited_by_count":45}],"display_name_alternatives":["Hiroyuki Kawajiri"],"block_key":"h kawajiri","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111464689","awards_count":1,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111464689","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}