{"id":"https://openalex.org/A5111753812","orcid":null,"observed_orcids":[],"display_name":"Katsumichi Yagi","raw_author_names":["K. Yagi","KATSUMICHI YAGI","Katsumichi YAGI","Katsumichi Yagi","Katsumichi Yagi Katsumichi Yagi","Yagi Katsumichi"],"full_name":"Katsumichi Yagi Katsumichi Yagi","works_count":98,"cited_by_count":2123,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":25,"i10_index":50},"ids":{"openalex":"https://openalex.org/A5111753812","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I114531698","ror":"https://ror.org/0112mx960","display_name":"Tokyo Institute of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]},"years":[2001,2000,1999,1998,1997,1996,1995,1993,1992,1991,1990,1989,1988,1987,1986,1985,1983,1982,1981,1980,1977,1976,1975,1974,1972,1971,1969,1967,1964]},{"institution":{"id":"https://openalex.org/I65143321","ror":"https://ror.org/02exqgm79","display_name":"Hitachi (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]},"years":[1988]},{"institution":{"id":"https://openalex.org/I85922643","ror":"https://ror.org/00ys1hz88","display_name":"Nagaoka University of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I85922643"]},"years":[1988]}],"last_known_institutions":[{"id":"https://openalex.org/I114531698","ror":"https://ror.org/0112mx960","display_name":"Tokyo Institute of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I114531698","https://openalex.org/I4400009020"]}],"topics":[{"id":"https://openalex.org/T13531","display_name":"Surface and Thin Film Phenomena","count":72,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"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/T11853","display_name":"Semiconductor materials and interfaces","count":59,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"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/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","count":36,"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/T10857","display_name":"Advanced Electron Microscopy Techniques and Applications","count":35,"subfield":{"id":"https://openalex.org/subfields/1315","display_name":"Structural 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/T12285","display_name":"Surface Chemistry and Catalysis","count":14,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical 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/T13531","display_name":"Surface and Thin Film Phenomena","value":0.0002799,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"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/T10857","display_name":"Advanced Electron Microscopy Techniques and Applications","value":0.0001881,"subfield":{"id":"https://openalex.org/subfields/1315","display_name":"Structural 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/T11853","display_name":"Semiconductor materials and interfaces","value":0.0001194,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"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/T13552","display_name":"Advanced Materials Characterization Techniques","value":0.0001174,"subfield":{"id":"https://openalex.org/subfields/2500","display_name":"General Materials Science"},"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/T12039","display_name":"Electron and X-Ray Spectroscopy Techniques","value":0.0001073,"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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8510509729385376},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.6771039962768555},{"id":"8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","score":0.672581672668457},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.565710186958313},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5098139643669128}],"counts_by_year":[{"year":1964,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1967,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1969,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1972,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":5,"oa_works_count":3,"cited_by_count":0},{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":1981,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1987,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1988,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":12,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":9,"oa_works_count":4,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["K. Yagi","KATSUMICHI YAGI","Katsumichi YAGI","Katsumichi Yagi","Katsumichi Yagi Katsumichi Yagi","Yagi Katsumichi"],"block_key":"k yagi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111753812","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
