{"id":"https://openalex.org/A5081938435","orcid":"https://orcid.org/0000-0002-3025-9078","observed_orcids":["https://orcid.org/0000-0002-3025-9078"],"display_name":"Tsutomu Dei","raw_author_names":["T Dei","Tsutomu Dei"],"full_name":"Tsutomu Dei","works_count":21,"cited_by_count":54,"summary_stats":{"2yr_mean_citedness":1.5,"h_index":4,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5081938435","orcid":"https://orcid.org/0000-0002-3025-9078","observed_orcids":["https://orcid.org/0000-0002-3025-9078"]},"affiliations":[{"institution":{"id":"https://openalex.org/I100248960","ror":"https://ror.org/0330rc745","display_name":"Ashikaga University","country_code":"JP","type":"education","lineage":["https://openalex.org/I100248960"]},"years":[2025,2024,2022,2019,2018,2017,2007,2006,2005]}],"last_known_institutions":[{"id":"https://openalex.org/I100248960","ror":"https://ror.org/0330rc745","display_name":"Ashikaga University","country_code":"JP","type":"education","lineage":["https://openalex.org/I100248960"]}],"topics":[{"id":"https://openalex.org/T14444","display_name":"Power Systems and Renewable Energy","count":9,"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/T11007","display_name":"Hybrid Renewable Energy Systems","count":8,"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/T10088","display_name":"Thermochemical Biomass Conversion Processes","count":6,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel 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/T11336","display_name":"Energy and Environment Impacts","count":6,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"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/T12271","display_name":"Renewable energy and sustainable power systems","count":6,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11336","display_name":"Energy and Environment Impacts","value":6.92e-05,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"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/T11007","display_name":"Hybrid Renewable Energy Systems","value":4.65e-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/T14444","display_name":"Power Systems and Renewable Energy","value":3.52e-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/T13094","display_name":"Mining and Gasification Technologies","value":3.36e-05,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel 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/T10088","display_name":"Thermochemical Biomass Conversion Processes","value":1.97e-05,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"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":0.6471153497695923},{"id":"163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","score":0.5435937643051147},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.5119112730026245},{"id":"119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","score":0.46954306960105896},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.17965728044509888}],"counts_by_year":[{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2017,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":2018,"works_count":3,"oa_works_count":2,"cited_by_count":5},{"year":2019,"works_count":2,"oa_works_count":1,"cited_by_count":5},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":7},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":6},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":8},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":12}],"display_name_alternatives":["T Dei","Tsutomu Dei"],"block_key":"t dei","works_api_url":"https://api.openalex.org/works?filter=author.id:A5081938435","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5081938435","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}