{"id":"https://openalex.org/A5048813844","orcid":null,"observed_orcids":[],"display_name":"Etsumasa Ohi","raw_author_names":["E. Ohi","Etsumasa OHI","Etsumasa Ohi"],"full_name":"Etsumasa Ohi","works_count":12,"cited_by_count":540,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":8,"i10_index":8},"ids":{"openalex":"https://openalex.org/A5048813844","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4405283768","ror":"https://ror.org/0283mdy12","display_name":"Shimadzu Techno-Research (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405283768","https://openalex.org/I84776176"]},"years":[2016,2009,2007,2004,1994]},{"institution":{"id":"https://openalex.org/I84776176","ror":"https://ror.org/03k8der79","display_name":"Shimadzu (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I84776176"]},"years":[2008]}],"last_known_institutions":[{"id":"https://openalex.org/I4405283768","ror":"https://ror.org/0283mdy12","display_name":"Shimadzu Techno-Research (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405283768","https://openalex.org/I84776176"]}],"topics":[{"id":"https://openalex.org/T10122","display_name":"Toxic Organic Pollutants Impact","count":9,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T10180","display_name":"Analytical chemistry methods development","count":6,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10908","display_name":"Analytical Chemistry and Chromatography","count":5,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11869","display_name":"Per- and polyfluoroalkyl substances research","count":3,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/T10686","display_name":"Effects and risks of endocrine disrupting chemicals","count":2,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11869","display_name":"Per- and polyfluoroalkyl substances research","value":4.84e-05,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/T10122","display_name":"Toxic Organic Pollutants Impact","value":3.14e-05,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T10947","display_name":"Fluorine in Organic Chemistry","value":1.55e-05,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10686","display_name":"Effects and risks of endocrine disrupting chemicals","value":1.18e-05,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T11821","display_name":"Odor and Emission Control Technologies","value":1.18e-05,"subfield":{"id":"https://openalex.org/subfields/1508","display_name":"Process Chemistry and Technology"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9261037111282349},{"id":"43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","score":0.8639469146728516},{"id":"107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","score":0.8119703531265259},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.23972320556640625},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.22473812103271484}],"counts_by_year":[{"year":1992,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":33},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":33},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":21},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":8}],"display_name_alternatives":["E. Ohi","Etsumasa OHI","Etsumasa Ohi"],"block_key":"e ohi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5048813844","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}