{"id":"https://openalex.org/A5113969093","orcid":null,"observed_orcids":[],"display_name":"KEIJI UMEDA","raw_author_names":["KEIJI UMEDA","Keiji UMEDA","Keiji Umeda"],"full_name":"KEIJI UMEDA","works_count":54,"cited_by_count":158,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":6,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5113969093","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1289024836","ror":"https://ror.org/02zdz1m23","display_name":"Ministry of Agriculture, Forestry and Fisheries","country_code":"JP","type":"government","lineage":["https://openalex.org/I1289024836"]},"years":[1987,1978,1976,1975,1974,1973]},{"institution":{"id":"https://openalex.org/I1337977289","ror":"https://ror.org/05x7v0b39","display_name":"Ministry of Agriculture and Forestry","country_code":"LA","type":"government","lineage":["https://openalex.org/I1337977289"]},"years":[1978,1977,1976,1974,1973,1972,1971,1970,1969,1968]},{"institution":{"id":"https://openalex.org/I4210096597","ror":"https://ror.org/00by9f077","display_name":"Food Research Institute","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1323638106","https://openalex.org/I4210096597"]},"years":[1977]},{"institution":{"id":"https://openalex.org/I4405262973","ror":"https://ror.org/00tmg5839","display_name":"Ministry of Agriculture and Forestry","country_code":"TR","type":"government","lineage":["https://openalex.org/I4405262973"]},"years":[1971]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T12468","display_name":"Radiation Effects and Dosimetry","count":29,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10473","display_name":"Postharvest Quality and Shelf Life Management","count":16,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10035","display_name":"Phytochemicals and Antioxidant Activities","count":10,"subfield":{"id":"https://openalex.org/subfields/2704","display_name":"Biochemistry (medical)"},"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/T10404","display_name":"Enzyme Catalysis and Immobilization","count":9,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11617","display_name":"Enzyme Production and Characterization","count":9,"subfield":{"id":"https://openalex.org/subfields/1305","display_name":"Biotechnology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T14194","display_name":"Bioactive Compounds in Plants","value":0.0005638,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12468","display_name":"Radiation Effects and Dosimetry","value":0.0003288,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12828","display_name":"Plant Genetic and Mutation Studies","value":7.04e-05,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11455","display_name":"Microbial Inactivation Methods","value":4.93e-05,"subfield":{"id":"https://openalex.org/subfields/1305","display_name":"Biotechnology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10473","display_name":"Postharvest Quality and Shelf Life Management","value":4.24e-05,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9317519664764404},{"id":"31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","score":0.7469773292541504},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.7049680948257446},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.4090276062488556},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.39058956503868103}],"counts_by_year":[{"year":1967,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1968,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1969,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1970,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1971,"works_count":13,"oa_works_count":13,"cited_by_count":0},{"year":1972,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1973,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":1974,"works_count":10,"oa_works_count":9,"cited_by_count":0},{"year":1975,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1976,"works_count":5,"oa_works_count":5,"cited_by_count":0},{"year":1977,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1978,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1979,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["KEIJI UMEDA","Keiji UMEDA","Keiji Umeda"],"block_key":"k umeda","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113969093","awards_count":0,"updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}
