{"id":"https://openalex.org/A5021665664","orcid":null,"observed_orcids":[],"display_name":"Masayuki Hirota","raw_author_names":["M Hirota","M. HIROTA","M. Hirota","Masayuki HIROTA","Masayuki Hirota"],"full_name":"Masayuki HIROTA","works_count":38,"cited_by_count":150,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":6,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5021665664","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I161296585","ror":"https://ror.org/05sj3n476","display_name":"Tokyo University of Science","country_code":"JP","type":"education","lineage":["https://openalex.org/I161296585"]},"years":[2006,2004,1989,1983]},{"institution":{"id":"https://openalex.org/I26725883","ror":"https://ror.org/039zveh30","display_name":"Shimizu (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I26725883"]},"years":[2021,2015,2009,2006,2004,2003,2002,1997,1989,1986,1984]},{"institution":{"id":"https://openalex.org/I52706244","ror":"https://ror.org/054a9s036","display_name":"College of Industrial Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I52706244"]},"years":[2005,2003,1998]},{"institution":{"id":"https://openalex.org/I71395657","ror":"https://ror.org/04ww21r56","display_name":"Niigata University","country_code":"JP","type":"education","lineage":["https://openalex.org/I71395657"]},"years":[1992]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[1989]},{"institution":{"id":"https://openalex.org/I97753087","ror":"https://ror.org/0055k7a87","display_name":"New Energy and Industrial Technology Development Organization","country_code":"JP","type":"education","lineage":["https://openalex.org/I97753087"]},"years":[1997]},{"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":[1994,1992]}],"last_known_institutions":[{"id":"https://openalex.org/I26725883","ror":"https://ror.org/039zveh30","display_name":"Shimizu (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I26725883"]}],"topics":[{"id":"https://openalex.org/T11317","display_name":"Fire dynamics and safety research","count":17,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T12102","display_name":"Fire effects on concrete materials","count":13,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"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/T11242","display_name":"Nuclear Materials and Properties","count":10,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12597","display_name":"Fire Detection and Safety Systems","count":7,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T10973","display_name":"Radioactive element chemistry and processing","count":6,"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"}}],"topic_share":[{"id":"https://openalex.org/T12102","display_name":"Fire effects on concrete materials","value":0.0001295,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"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/T12597","display_name":"Fire Detection and Safety Systems","value":0.0001162,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T11317","display_name":"Fire dynamics and safety research","value":8.18e-05,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T11242","display_name":"Nuclear Materials and Properties","value":4.23e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12897","display_name":"Structural Analysis of Composite Materials","value":3.86e-05,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9572616815567017},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.7040015459060669},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.5207217335700989},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.2854544520378113},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.18630576133728027}],"counts_by_year":[{"year":1983,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1992,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":3,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":5},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":5},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":8}],"display_name_alternatives":["M Hirota","M. HIROTA","M. Hirota","Masayuki HIROTA","Masayuki Hirota"],"block_key":"m hirota","works_api_url":"https://api.openalex.org/works?filter=author.id:A5021665664","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5021665664","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}