{"id":"https://openalex.org/A5041735890","orcid":"https://orcid.org/0000-0002-3907-4141","observed_orcids":["https://orcid.org/0000-0002-3907-4141"],"display_name":"Keizo Uchiyama","raw_author_names":["Keizo Uchiyama"],"full_name":"Keizo Uchiyama","works_count":8,"cited_by_count":15,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":2,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5041735890","orcid":"https://orcid.org/0000-0002-3907-4141","observed_orcids":["https://orcid.org/0000-0002-3907-4141"]},"affiliations":[{"institution":{"id":"https://openalex.org/I119530710","ror":"https://ror.org/01sgzrz83","display_name":"TEPCO (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I119530710"]},"years":[2026,2024,2022,2020]}],"last_known_institutions":[{"id":"https://openalex.org/I119530710","ror":"https://ror.org/01sgzrz83","display_name":"TEPCO (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I119530710"]}],"topics":[{"id":"https://openalex.org/T10946","display_name":"Radioactivity and Radon Measurements","count":7,"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/T11089","display_name":"Radioactive contamination and transfer","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/T10844","display_name":"Radiation Dose and Imaging","count":4,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13923","display_name":"Nuclear and radioactivity studies","count":3,"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/T10358","display_name":"Advanced Radiotherapy Techniques","count":1,"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"}}],"topic_share":[{"id":"https://openalex.org/T10946","display_name":"Radioactivity and Radon Measurements","value":3.6e-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/T11089","display_name":"Radioactive contamination and transfer","value":3.06e-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/T10844","display_name":"Radiation Dose and Imaging","value":1.29e-05,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","value":1.06e-05,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13923","display_name":"Nuclear and radioactivity studies","value":7.8e-06,"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"}}],"x_concepts":[{"id":"2909705833","wikidata":"https://www.wikidata.org/wiki/Q171178","display_name":"Fukushima Nuclear Accident","score":0.7946334481239319},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.702531635761261},{"id":"2779979336","wikidata":"https://www.wikidata.org/wiki/Q134447","display_name":"Nuclear power plant","score":0.6489220857620239},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.26945942640304565},{"id":"185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","score":0.16306284070014954}],"counts_by_year":[{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2020,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":2},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":7},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":4}],"display_name_alternatives":["Keizo Uchiyama"],"block_key":"k uchiyama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5041735890","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5041735890","updated_date":"2026-11-10T14:30:39","created_date":"2020-06-05T00:00:00"}