{"id":"https://openalex.org/A5047210481","orcid":"https://orcid.org/0000-0002-5140-5898","observed_orcids":["https://orcid.org/0000-0002-5140-5898"],"display_name":"Takuya Sumiyama","raw_author_names":["Takuya SUMIYAMA","Takuya Sumiyama"],"full_name":"Takuya SUMIYAMA","works_count":25,"cited_by_count":74,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":4,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5047210481","orcid":"https://orcid.org/0000-0002-5140-5898","observed_orcids":["https://orcid.org/0000-0002-5140-5898"]},"affiliations":[{"institution":{"id":"https://openalex.org/I122762857","ror":"https://ror.org/020a33943","display_name":"Toyobo (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I122762857"]},"years":[2026,2023,2022,2021,2020,2018,2017]},{"institution":{"id":"https://openalex.org/I4210167380","ror":"https://ror.org/05w6rx357","display_name":"Council for Aid to Education","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210167380"]},"years":[2018]}],"last_known_institutions":[{"id":"https://openalex.org/I122762857","ror":"https://ror.org/020a33943","display_name":"Toyobo (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I122762857"]}],"topics":[{"id":"https://openalex.org/T10219","display_name":"Mechanical Behavior of Composites","count":10,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"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/T11366","display_name":"Elasticity and Material Modeling","count":7,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11664","display_name":"Fiber-reinforced polymer composites","count":6,"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/T10707","display_name":"Cellular and Composite Structures","count":5,"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/T13312","display_name":"Mechanical and Thermal Properties Analysis","count":5,"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/T13312","display_name":"Mechanical and Thermal Properties Analysis","value":5.89e-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/T11366","display_name":"Elasticity and Material Modeling","value":4.3e-05,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T12628","display_name":"Polymer Foaming and Composites","value":3.88e-05,"subfield":{"id":"https://openalex.org/subfields/2507","display_name":"Polymers and Plastics"},"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/T12080","display_name":"Injection Molding Process and Properties","value":3.59e-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/T11664","display_name":"Fiber-reinforced polymer composites","value":3.11e-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":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.9296395182609558},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.8358438014984131},{"id":"204366326","wikidata":"https://www.wikidata.org/wiki/Q3027650","display_name":"Deformation (meteorology)","score":0.7177006006240845},{"id":"2781247691","wikidata":"https://www.wikidata.org/wiki/Q380677","display_name":"Thermoplastic","score":0.5876864194869995},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.3753300905227661}],"counts_by_year":[{"year":2017,"works_count":5,"oa_works_count":3,"cited_by_count":0},{"year":2018,"works_count":9,"oa_works_count":8,"cited_by_count":0},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":10},{"year":2020,"works_count":3,"oa_works_count":1,"cited_by_count":10},{"year":2021,"works_count":2,"oa_works_count":1,"cited_by_count":8},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":7},{"year":2023,"works_count":3,"oa_works_count":0,"cited_by_count":18},{"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":9},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":6}],"display_name_alternatives":["Takuya SUMIYAMA","Takuya Sumiyama"],"block_key":"t sumiyama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5047210481","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5047210481","updated_date":"2026-11-08T12:57:04","created_date":"2017-09-15T00:00:00"}