{"id":"https://openalex.org/A5101768637","orcid":"https://orcid.org/0000-0003-3637-6918","observed_orcids":["https://orcid.org/0000-0003-3637-6918"],"display_name":"Koya Arai","raw_author_names":["Koya Arai","\u30a2\u30e9\u30a4 \u30b3\u30a6\u30e4"],"full_name":"Koya Arai","works_count":13,"cited_by_count":97,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":4,"i10_index":4},"ids":{"openalex":"https://openalex.org/A5101768637","orcid":"https://orcid.org/0000-0003-3637-6918","observed_orcids":["https://orcid.org/0000-0003-3637-6918"]},"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":[2015,2014,2013,2012,2011]}],"last_known_institutions":[{"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"]}],"topics":[{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","count":12,"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/T13251","display_name":"Electrical and Thermal Properties of Materials","count":10,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T14327","display_name":"Advanced Energy Technologies and Civil Engineering Innovations","count":6,"subfield":{"id":"https://openalex.org/subfields/2104","display_name":"Nuclear Energy and Engineering"},"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/T11277","display_name":"Thermal properties of materials","count":3,"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/T10607","display_name":"Magnetic and transport properties of perovskites and related materials","count":2,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T14327","display_name":"Advanced Energy Technologies and Civil Engineering Innovations","value":0.0002418,"subfield":{"id":"https://openalex.org/subfields/2104","display_name":"Nuclear Energy and Engineering"},"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/T10440","display_name":"Advanced Thermoelectric Materials and Devices","value":8.23e-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/T13251","display_name":"Electrical and Thermal Properties of Materials","value":7.9e-05,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T11277","display_name":"Thermal properties of materials","value":1.95e-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/T12371","display_name":"Electrical Contact Performance and Analysis","value":1.56e-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":"2776014600","wikidata":"https://www.wikidata.org/wiki/Q2307265","display_name":"Spark plasma sintering","score":0.9865434169769287},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.933406412601471},{"id":"2777581544","wikidata":"https://www.wikidata.org/wiki/Q844613","display_name":"Sintering","score":0.6942609548568726},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.5070111751556396},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.09690907597541809}],"counts_by_year":[{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":1},{"year":2013,"works_count":4,"oa_works_count":0,"cited_by_count":5},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":1},{"year":2015,"works_count":5,"oa_works_count":1,"cited_by_count":10},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"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":1}],"display_name_alternatives":["Koya Arai","\u30a2\u30e9\u30a4 \u30b3\u30a6\u30e4"],"block_key":"k arai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5101768637","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5101768637","updated_date":"2026-11-08T12:57:04","created_date":"2016-06-24T00:00:00"}
