{"id":"https://openalex.org/A5114039461","orcid":null,"observed_orcids":[],"display_name":"Masahiko Sakai","raw_author_names":["M Sakai","M. Sakai","MASAHIKO SAKAI","Masahiko Sakai","Sakai, Masahiko"],"full_name":"Sakai, Masahiko","works_count":20,"cited_by_count":318,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":11,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5114039461","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I111966504","ror":"https://ror.org/00msqp585","display_name":"University of Fukui","country_code":"JP","type":"education","lineage":["https://openalex.org/I111966504"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I135598925","ror":"https://ror.org/00p4k0j84","display_name":"Kyushu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]},"years":[2021,2020,2003,1994]},{"institution":{"id":"https://openalex.org/I144245601","ror":"https://ror.org/033nw2736","display_name":"Taisho Pharmaceutical (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I144245601"]},"years":[1996]},{"institution":{"id":"https://openalex.org/I146399215","ror":"https://ror.org/02956yf07","display_name":"University of Tsukuba","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I177136067","ror":"https://ror.org/04f4wg107","display_name":"Saga University","country_code":"JP","type":"education","lineage":["https://openalex.org/I177136067"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I207623266","ror":"https://ror.org/016t1kc57","display_name":"Kao Corporation (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I207623266"]},"years":[2000]},{"institution":{"id":"https://openalex.org/I4210131231","ror":"https://ror.org/03kwk6445","display_name":"Seiren (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210131231"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I4405286456","ror":"https://ror.org/0268snt13","display_name":"Institute for Protein Research, The University of Osaka","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286456","https://openalex.org/I98285908"]},"years":[2006]},{"institution":{"id":"https://openalex.org/I4588055","ror":"https://ror.org/024yc3q36","display_name":"Tottori University","country_code":"JP","type":"education","lineage":["https://openalex.org/I4588055"]},"years":[1994,1986,1979]},{"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":[2006,2004]}],"last_known_institutions":[{"id":"https://openalex.org/I135598925","ror":"https://ror.org/00p4k0j84","display_name":"Kyushu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]}],"topics":[{"id":"https://openalex.org/T10180","display_name":"Analytical chemistry methods development","count":4,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10532","display_name":"Molecular Sensors and Ion Detection","count":3,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11441","display_name":"Organoboron and organosilicon chemistry","count":2,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11511","display_name":"Dyeing and Modifying Textile Fibers","count":2,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10044","display_name":"Protein Structure and Dynamics","count":1,"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"}}],"topic_share":[{"id":"https://openalex.org/T13637","display_name":"Calpain Protease Function and Regulation","value":5.88e-05,"subfield":{"id":"https://openalex.org/subfields/1307","display_name":"Cell 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/T12136","display_name":"Vanadium and Halogenation Chemistry","value":2.03e-05,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12477","display_name":"Toxin Mechanisms and Immunotoxins","value":1.63e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10532","display_name":"Molecular Sensors and Ion Detection","value":1.61e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11623","display_name":"Hyperglycemia and glycemic control in critically ill and hospitalized patients","value":1.56e-05,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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":0.9880249500274658},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9714047908782959},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.8578240871429443},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.4475194811820984},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.44574040174484253}],"counts_by_year":[{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":11},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":5}],"display_name_alternatives":["M Sakai","M. Sakai","MASAHIKO SAKAI","Masahiko Sakai","Sakai, Masahiko"],"block_key":"m sakai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5114039461","updated_date":"2026-10-31T12:29:50","created_date":"2016-06-24T00:00:00"}