{"id":"https://openalex.org/A5110081559","orcid":null,"observed_orcids":[],"display_name":"Katsuyuki Yokota","raw_author_names":["KATSUYUKI YOKOTA","Katsuyuki YOKOTA","Katsuyuki Yokota","Yokota, Katsuyuki"],"full_name":"KATSUYUKI YOKOTA","works_count":22,"cited_by_count":382,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":12,"i10_index":12},"ids":{"openalex":"https://openalex.org/A5110081559","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I199080787","ror":"https://ror.org/01cg0k189","display_name":"International Christian University","country_code":"JP","type":"education","lineage":["https://openalex.org/I199080787"]},"years":[1987]},{"institution":{"id":"https://openalex.org/I4210108598","ror":"https://ror.org/01xdq1k91","display_name":"Japan Tobacco (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210108598"]},"years":[2023,2005,2004,1999,1998]},{"institution":{"id":"https://openalex.org/I42766147","ror":"https://ror.org/0445phv87","display_name":"University of Toyama","country_code":"JP","type":"education","lineage":["https://openalex.org/I42766147"]},"years":[1990,1989]},{"institution":{"id":"https://openalex.org/I4405275813","ror":"https://ror.org/04b2ymn76","display_name":"Toray Research Center, Inc. (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405275813"]},"years":[1987,1982]},{"institution":{"id":"https://openalex.org/I4405286944","ror":"https://ror.org/03mpax711","display_name":"The Institute for Solid State Physics, The University of Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286944","https://openalex.org/I74801974"]},"years":[1975,1973]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[1975,1973]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","count":6,"subfield":{"id":"https://openalex.org/subfields/2508","display_name":"Surfaces, Coatings and Films"},"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/T12967","display_name":"Molecular Spectroscopy and Structure","count":6,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/T10002","display_name":"Advanced Chemical Physics Studies","count":5,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"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/T10911","display_name":"Chemical Synthesis and Analysis","count":5,"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/T10274","display_name":"Heterocyclic Compound Synthesis and Bioactivity","count":4,"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"}}],"topic_share":[{"id":"https://openalex.org/T13971","display_name":"Isoquinoline Alkaloid Synthesis","value":5.05e-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/T14054","display_name":"Humic Substances and Bio-Organic Studies","value":4.18e-05,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil 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/T13115","display_name":"Axial and Atropisomeric Chirality Synthesis","value":2.51e-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/T12967","display_name":"Molecular Spectroscopy and Structure","value":2.28e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/T10911","display_name":"Chemical Synthesis and Analysis","value":2.07e-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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9856237173080444},{"id":"71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","score":0.6925568580627441},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.5430060029029846},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.3807288408279419},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.3525036573410034}],"counts_by_year":[{"year":1973,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"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":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"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":10},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"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":4},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2023,"works_count":1,"oa_works_count":0,"cited_by_count":11},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":4},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":4}],"display_name_alternatives":["KATSUYUKI YOKOTA","Katsuyuki YOKOTA","Katsuyuki Yokota","Yokota, Katsuyuki"],"block_key":"k yokota","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110081559","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}