{"id":"https://openalex.org/A5131256274","orcid":null,"observed_orcids":[],"display_name":"Tomoyuki SAKAI","raw_author_names":["SAKAI, Tomoyuki","Tomoyuki SAKAI"],"full_name":"SAKAI, Tomoyuki","works_count":4,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5131256274","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I111428342","ror":"https://ror.org/04jqj7p05","display_name":"Hitotsubashi University","country_code":"JP","type":"education","lineage":["https://openalex.org/I111428342"]},"years":[2025,2023,2022]}],"last_known_institutions":[{"id":"https://openalex.org/I111428342","ror":"https://ror.org/04jqj7p05","display_name":"Hitotsubashi University","country_code":"JP","type":"education","lineage":["https://openalex.org/I111428342"]}],"topics":[{"id":"https://openalex.org/T13376","display_name":"Criminal Law and Policy","count":4,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10565","display_name":"Psychopathy, Forensic Psychiatry, Sexual Offending","count":2,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14115","display_name":"Legal processes and jurisprudence","count":2,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14493","display_name":"Criminal Law and Evidence","count":2,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11876","display_name":"Legal Studies and Policies","count":1,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10565","display_name":"Psychopathy, Forensic Psychiatry, Sexual Offending","value":9.3e-06,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14493","display_name":"Criminal Law and Evidence","value":7.2e-06,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13376","display_name":"Criminal Law and Policy","value":4.4e-06,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11876","display_name":"Legal Studies and Policies","value":3.9e-06,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13271","display_name":"Ukrainian Legal and Forensic Studies","value":3.7e-06,"subfield":{"id":"https://openalex.org/subfields/3308","display_name":"Law"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","score":0.578000009059906},{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.48730000853538513},{"id":"15708023","wikidata":"https://www.wikidata.org/wiki/Q80083","display_name":"Humanities","score":0.4609000086784363},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.4553999900817871},{"id":"17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","score":0.2395000010728836}],"counts_by_year":[{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["SAKAI, Tomoyuki","Tomoyuki SAKAI"],"block_key":"t sakai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5131256274","awards_count":0,"updated_date":"2026-11-04T11:47:51","created_date":"2026-04-01T00:00:00"}
