{"id":"https://openalex.org/A5068464727","orcid":"https://orcid.org/0000-0002-3527-9414","observed_orcids":["https://orcid.org/0000-0002-3527-9414"],"display_name":"Yasuhisa Ichikawa","raw_author_names":["Ichikawa, Yasuhisa","Yasuhisa ICHIKAWA","Yasuhisa Ichikawa","\u5e02\u5ddd, \u6cf0\u4e45"],"full_name":"Yasuhisa Ichikawa","works_count":44,"cited_by_count":211,"summary_stats":{"2yr_mean_citedness":14.0,"h_index":5,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5068464727","orcid":"https://orcid.org/0000-0002-3527-9414","observed_orcids":["https://orcid.org/0000-0002-3527-9414"]},"affiliations":[{"institution":{"id":"https://openalex.org/I201537933","ror":"https://ror.org/01dq60k83","display_name":"Tohoku University","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]},"years":[2010,2008]},{"institution":{"id":"https://openalex.org/I4210121849","ror":"https://ror.org/02wxcdf69","display_name":"National Maritime Research Institute","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210121849","https://openalex.org/I4405284002"]},"years":[2024,2023,2022,2017,2016,2014,2013,2012,2011,2010]},{"institution":{"id":"https://openalex.org/I4405284002","ror":"https://ror.org/02qdj6q38","display_name":"National Institute of Maritime, Port and Aviation Technology","country_code":"JP","type":"government","lineage":["https://openalex.org/I4405284002"]},"years":[2024,2023,2022,2019,2018,2017]},{"institution":{"id":"https://openalex.org/I4405286145","ror":"https://ror.org/0188kxs81","display_name":"Institute of Fluid Science, Tohoku University","country_code":"JP","type":"facility","lineage":["https://openalex.org/I201537933","https://openalex.org/I4405286145"]},"years":[2010,2008]}],"last_known_institutions":[{"id":"https://openalex.org/I4210121849","ror":"https://ror.org/02wxcdf69","display_name":"National Maritime Research Institute","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210121849","https://openalex.org/I4405284002"]},{"id":"https://openalex.org/I4405284002","ror":"https://ror.org/02qdj6q38","display_name":"National Institute of Maritime, Port and Aviation Technology","country_code":"JP","type":"government","lineage":["https://openalex.org/I4405284002"]}],"topics":[{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","count":23,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12139","display_name":"Advanced Thermodynamic Systems and Engines","count":16,"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"}},{"id":"https://openalex.org/T13856","display_name":"Advanced Power Generation Technologies","count":16,"subfield":{"id":"https://openalex.org/subfields/2102","display_name":"Energy Engineering and Power Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10553","display_name":"Combustion and flame dynamics","count":13,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10568","display_name":"Thermodynamic and Exergetic Analyses of Power and Cooling Systems","count":13,"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"}}],"topic_share":[{"id":"https://openalex.org/T12139","display_name":"Advanced Thermodynamic Systems and Engines","value":0.0001545,"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"}},{"id":"https://openalex.org/T12126","display_name":"Maritime Transport Emissions and Efficiency","value":0.0001091,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10568","display_name":"Thermodynamic and Exergetic Analyses of Power and Cooling Systems","value":7.84e-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"}},{"id":"https://openalex.org/T13856","display_name":"Advanced Power Generation Technologies","value":5.75e-05,"subfield":{"id":"https://openalex.org/subfields/2102","display_name":"Energy Engineering and Power Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","value":5.27e-05,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.6515114307403564},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.5649793148040771},{"id":"171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","score":0.5584730505943298},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.4677125811576843},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.16466304659843445}],"counts_by_year":[{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":8,"oa_works_count":7,"cited_by_count":0},{"year":2011,"works_count":8,"oa_works_count":6,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":1,"cited_by_count":11},{"year":2013,"works_count":2,"oa_works_count":2,"cited_by_count":10},{"year":2014,"works_count":2,"oa_works_count":2,"cited_by_count":6},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2016,"works_count":3,"oa_works_count":0,"cited_by_count":6},{"year":2017,"works_count":3,"oa_works_count":2,"cited_by_count":9},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":7},{"year":2019,"works_count":2,"oa_works_count":2,"cited_by_count":10},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2022,"works_count":5,"oa_works_count":4,"cited_by_count":13},{"year":2023,"works_count":5,"oa_works_count":4,"cited_by_count":26},{"year":2024,"works_count":2,"oa_works_count":1,"cited_by_count":34},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":40},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":15}],"display_name_alternatives":["Ichikawa, Yasuhisa","Yasuhisa ICHIKAWA","Yasuhisa Ichikawa","\u5e02\u5ddd, \u6cf0\u4e45"],"block_key":"y ichikawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5068464727","awards_count":1,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5068464727","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}