{"id":"https://openalex.org/A5080892811","orcid":"https://orcid.org/0000-0002-9617-881X","observed_orcids":["https://orcid.org/0000-0002-9617-881X"],"display_name":"Koichi Okuno","raw_author_names":["K. Okuno","Koichi Koichi","Koichi OKUNO","Koichi Okuno","\u5965\u91ce, \u529f\u4e00"],"full_name":"Koichi OKUNO","works_count":45,"cited_by_count":354,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":7,"i10_index":7},"ids":{"openalex":"https://openalex.org/A5080892811","orcid":"https://orcid.org/0000-0002-9617-881X","observed_orcids":["https://orcid.org/0000-0002-9617-881X"]},"affiliations":[{"institution":{"id":"https://openalex.org/I117197279","ror":"https://ror.org/05nf86y53","display_name":"Japan Atomic Energy Agency","country_code":"JP","type":"government","lineage":["https://openalex.org/I117197279"]},"years":[1983]},{"institution":{"id":"https://openalex.org/I4405274456","ror":"https://ror.org/01rdfsh52","display_name":"Hazama ANDO Corporation (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405274456"]},"years":[2026,2023,2021,2020,2019,2018,2017,2005]},{"institution":{"id":"https://openalex.org/I73613424","ror":"https://ror.org/01703db54","display_name":"National Institute of Advanced Industrial Science and Technology","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]},"years":[2000]}],"last_known_institutions":[{"id":"https://openalex.org/I4405274456","ror":"https://ror.org/01rdfsh52","display_name":"Hazama ANDO Corporation (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405274456"]}],"topics":[{"id":"https://openalex.org/T12299","display_name":"Radiation Shielding Materials Analysis","count":28,"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/T11949","display_name":"Nuclear Physics and Applications","count":21,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13923","display_name":"Nuclear and radioactivity studies","count":16,"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/T10592","display_name":"Fusion materials and technologies","count":15,"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/T10597","display_name":"Nuclear reactor physics and engineering","count":15,"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"}}],"topic_share":[{"id":"https://openalex.org/T12299","display_name":"Radiation Shielding Materials Analysis","value":0.0004191,"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/T11949","display_name":"Nuclear Physics and Applications","value":8.4e-05,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13923","display_name":"Nuclear and radioactivity studies","value":4.17e-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/T10597","display_name":"Nuclear reactor physics and engineering","value":3.89e-05,"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/T10592","display_name":"Fusion materials and technologies","value":3.19e-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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.7840701937675476},{"id":"116915560","wikidata":"https://www.wikidata.org/wiki/Q83504","display_name":"Nuclear engineering","score":0.7283911108970642},{"id":"185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","score":0.6977825164794922},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5586284399032593},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.3633016049861908}],"counts_by_year":[{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":5,"oa_works_count":4,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":17},{"year":2014,"works_count":5,"oa_works_count":4,"cited_by_count":24},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":22},{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2017,"works_count":2,"oa_works_count":2,"cited_by_count":18},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":14},{"year":2019,"works_count":3,"oa_works_count":2,"cited_by_count":17},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":30},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":17},{"year":2022,"works_count":1,"oa_works_count":0,"cited_by_count":38},{"year":2023,"works_count":3,"oa_works_count":2,"cited_by_count":21},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2026,"works_count":3,"oa_works_count":3,"cited_by_count":16}],"display_name_alternatives":["K. Okuno","Koichi Koichi","Koichi OKUNO","Koichi Okuno","\u5965\u91ce, \u529f\u4e00"],"block_key":"k okuno","works_api_url":"https://api.openalex.org/works?filter=author.id:A5080892811","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5080892811","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
