{"id":"https://openalex.org/A5111973466","orcid":null,"observed_orcids":[],"display_name":"Tatsuro Kai","raw_author_names":["Kai Tatsuro","Tatsuro Kai"],"full_name":"Tatsuro Kai","works_count":57,"cited_by_count":509,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":13,"i10_index":14},"ids":{"openalex":"https://openalex.org/A5111973466","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1283339181","ror":"https://ror.org/022es3t03","display_name":"Japan International Cooperation Agency","country_code":"JP","type":"government","lineage":["https://openalex.org/I1283339181"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I141882310","ror":"https://ror.org/01h7cca57","display_name":"Sapporo Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I141882310"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I4210090372","ror":"https://ror.org/00b6s9f18","display_name":"Osaka National Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210090372","https://openalex.org/I4210137409"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I4210102290","ror":"https://ror.org/019rdg506","display_name":"Saiseikaisenri Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210102290"]},"years":[2021,2016,2015,2014,2013,2012,2011,2010,2009]},{"institution":{"id":"https://openalex.org/I4405255786","ror":"https://ror.org/03e1cv717","display_name":"Shirai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405255786"]},"years":[2023]}],"last_known_institutions":[{"id":"https://openalex.org/I4210090372","ror":"https://ror.org/00b6s9f18","display_name":"Osaka National Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210090372","https://openalex.org/I4210137409"]}],"topics":[{"id":"https://openalex.org/T10645","display_name":"Cardiac Arrest and Resuscitation","count":21,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency 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/T10177","display_name":"Palliative Care and End-of-Life Issues","count":18,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational 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/T10292","display_name":"Acute Myocardial Infarction Research","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/T11430","display_name":"Disaster Response and Management","count":12,"subfield":{"id":"https://openalex.org/subfields/3604","display_name":"Emergency Medical Services"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"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"}}],"topic_share":[{"id":"https://openalex.org/T10645","display_name":"Cardiac Arrest and Resuscitation","value":0.0001102,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency 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","value":6.01e-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/T11430","display_name":"Disaster Response and Management","value":5.88e-05,"subfield":{"id":"https://openalex.org/subfields/3604","display_name":"Emergency Medical Services"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10177","display_name":"Palliative Care and End-of-Life Issues","value":4.37e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational 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/T10292","display_name":"Acute Myocardial Infarction Research","value":2.75e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9846475124359131},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.8679444789886475},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7831461429595947},{"id":"42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","score":0.6201353669166565},{"id":"194828623","wikidata":"https://www.wikidata.org/wiki/Q2861470","display_name":"Emergency medicine","score":0.5254166126251221}],"counts_by_year":[{"year":1991,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":9,"oa_works_count":6,"cited_by_count":0},{"year":2011,"works_count":11,"oa_works_count":7,"cited_by_count":0},{"year":2012,"works_count":5,"oa_works_count":3,"cited_by_count":21},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":49},{"year":2014,"works_count":1,"oa_works_count":1,"cited_by_count":42},{"year":2015,"works_count":5,"oa_works_count":5,"cited_by_count":30},{"year":2016,"works_count":3,"oa_works_count":1,"cited_by_count":28},{"year":2017,"works_count":2,"oa_works_count":2,"cited_by_count":25},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":22},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":38},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":42},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":36},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":7}],"display_name_alternatives":["Kai Tatsuro","Tatsuro Kai"],"block_key":"t kai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111973466","awards_count":0,"updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}