{"id":"https://openalex.org/A5111579914","orcid":null,"observed_orcids":[],"display_name":"Yoshihiko Hirotsu","raw_author_names":["Hirotsu, Yoshihiko","Y Hirotsu","Y. HIROTSU","Y. Hirotsu","YOSHIHIKO HIROTSU","Yoshihiko HIROTSU","Yoshihiko Hirotsu","Yoshihiko Hirotsu Yoshihiko Hirotsu"],"full_name":"Yoshihiko Hirotsu Yoshihiko Hirotsu","works_count":301,"cited_by_count":6032,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":39,"i10_index":133},"ids":{"openalex":"https://openalex.org/A5111579914","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":[1998,1986,1982,1979,1976,1975,1974,1973,1972]},{"institution":{"id":"https://openalex.org/I119806805","ror":"https://ror.org/02rcadd38","display_name":"Nagaoka University","country_code":"JP","type":"education","lineage":["https://openalex.org/I119806805"]},"years":[1991]},{"institution":{"id":"https://openalex.org/I15807432","ror":"https://ror.org/02cf1je33","display_name":"Osaka Prefecture University","country_code":"JP","type":"education","lineage":["https://openalex.org/I15807432","https://openalex.org/I4387152983"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I161593684","ror":"https://ror.org/05f0yaq80","display_name":"Stockholm University","country_code":"SE","type":"education","lineage":["https://openalex.org/I161593684"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I169381384","ror":"https://ror.org/012p63287","display_name":"University of Groningen","country_code":"NL","type":"education","lineage":["https://openalex.org/I169381384"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I201537933","ror":"https://ror.org/01dq60k83","display_name":"Tohoku University","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]},"years":[2009,1997,1994]},{"institution":{"id":"https://openalex.org/I205349734","ror":"https://ror.org/02e16g702","display_name":"Hokkaido University","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I205401836","ror":"https://ror.org/026v1ze26","display_name":"National Institute for Materials Science","country_code":"JP","type":"facility","lineage":["https://openalex.org/I205401836"]},"years":[2005,2004]},{"institution":{"id":"https://openalex.org/I219193219","ror":"https://ror.org/02dqehb95","display_name":"Purdue University West Lafayette","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]},"years":[1989,1988,1987,1982,1978,1976]},{"institution":{"id":"https://openalex.org/I4210120634","ror":"https://ror.org/02nk5bh05","display_name":"B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine","country_code":"UA","type":"facility","lineage":["https://openalex.org/I149851306","https://openalex.org/I4210120634"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I43545212","ror":"https://ror.org/017hkng22","display_name":"Ehime University","country_code":"JP","type":"education","lineage":["https://openalex.org/I43545212"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I4387152242","ror":"https://ror.org/04664mr26","display_name":"Institute for Materials Research, Tohoku University","country_code":"JP","type":"facility","lineage":["https://openalex.org/I201537933","https://openalex.org/I4387152242"]},"years":[1997,1994]},{"institution":{"id":"https://openalex.org/I4405275350","ror":"https://ror.org/03ew2pe62","display_name":"Riken Corporation (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405275350"]},"years":[1991]},{"institution":{"id":"https://openalex.org/I4405287424","ror":"https://ror.org/053t3hh85","display_name":"The Institute of Scientific and Industrial Research, The University of Osaka","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405287424","https://openalex.org/I98285908"]},"years":[2015,2014,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1995]},{"institution":{"id":"https://openalex.org/I56590836","ror":"https://ror.org/02bfwt286","display_name":"Monash University","country_code":"AU","type":"education","lineage":["https://openalex.org/I56590836"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I84381889","ror":"https://ror.org/02njhsx22","display_name":"Alps Electric (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I84381889"]},"years":[1994]},{"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":[1994,1993,1991,1990,1989,1988,1987,1986,1985,1984,1983,1980]},{"institution":{"id":"https://openalex.org/I96036126","ror":"https://ror.org/02cgss904","display_name":"Kumamoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I96036126"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]},"years":[2015,2014,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997]}],"last_known_institutions":[{"id":"https://openalex.org/I4405287424","ror":"https://ror.org/053t3hh85","display_name":"The Institute of Scientific and Industrial Research, The University of Osaka","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405287424","https://openalex.org/I98285908"]},{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"topics":[{"id":"https://openalex.org/T10633","display_name":"Metallic Glasses and Amorphous Alloys","count":84,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"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/T11782","display_name":"Magnetic Properties of Alloys","count":72,"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/T10049","display_name":"Magnetic properties of thin films","count":57,"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/T11887","display_name":"Quasicrystal Structures and Properties","count":53,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"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":52,"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"}}],"topic_share":[{"id":"https://openalex.org/T11887","display_name":"Quasicrystal Structures and Properties","value":0.0010166,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"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/T10633","display_name":"Metallic Glasses and Amorphous Alloys","value":0.0007815,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"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/T11782","display_name":"Magnetic Properties of Alloys","value":0.0003506,"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/T10857","display_name":"Advanced Electron Microscopy Techniques and Applications","value":0.0002784,"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/T13552","display_name":"Advanced Materials Characterization Techniques","value":0.0002218,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"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":0.94753098487854},{"id":"8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","score":0.6958798170089722},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.6037737131118774},{"id":"171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","score":0.5884843468666077},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.46896612644195557}],"counts_by_year":[{"year":1972,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1975,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1976,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1978,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1983,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1984,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":8,"oa_works_count":3,"cited_by_count":0},{"year":1988,"works_count":6,"oa_works_count":3,"cited_by_count":0},{"year":1989,"works_count":8,"oa_works_count":6,"cited_by_count":0},{"year":1990,"works_count":12,"oa_works_count":6,"cited_by_count":0},{"year":1991,"works_count":8,"oa_works_count":2,"cited_by_count":0},{"year":1993,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":7,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":9,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":10,"oa_works_count":3,"cited_by_count":0},{"year":1999,"works_count":9,"oa_works_count":5,"cited_by_count":0},{"year":2000,"works_count":8,"oa_works_count":4,"cited_by_count":0},{"year":2001,"works_count":11,"oa_works_count":3,"cited_by_count":0},{"year":2002,"works_count":12,"oa_works_count":3,"cited_by_count":0},{"year":2003,"works_count":17,"oa_works_count":8,"cited_by_count":0},{"year":2004,"works_count":16,"oa_works_count":4,"cited_by_count":0},{"year":2005,"works_count":20,"oa_works_count":8,"cited_by_count":0},{"year":2006,"works_count":28,"oa_works_count":7,"cited_by_count":0},{"year":2007,"works_count":29,"oa_works_count":12,"cited_by_count":0},{"year":2008,"works_count":16,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":14,"oa_works_count":6,"cited_by_count":0},{"year":2010,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":2012,"works_count":3,"oa_works_count":1,"cited_by_count":288},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":221},{"year":2014,"works_count":3,"oa_works_count":2,"cited_by_count":266},{"year":2015,"works_count":4,"oa_works_count":3,"cited_by_count":285},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":226},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":227},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":221},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":214},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":250},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":219},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":166},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":185},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":197},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":155},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":131}],"display_name_alternatives":["Hirotsu, Yoshihiko","Y Hirotsu","Y. HIROTSU","Y. Hirotsu","YOSHIHIKO HIROTSU","Yoshihiko HIROTSU","Yoshihiko Hirotsu","Yoshihiko Hirotsu Yoshihiko Hirotsu"],"block_key":"y hirotsu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111579914","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}
