{"id":"https://openalex.org/A5111721862","orcid":null,"observed_orcids":[],"display_name":"Toshitsugu Fujii","raw_author_names":["FUJII, Toshitsugu","Fujii, Toshitsugu","TOSHITSUGU FUJII","Toshitsugu FUJII","Toshitsugu Fujii"],"full_name":"Fujii, Toshitsugu","works_count":91,"cited_by_count":3050,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":28,"i10_index":44},"ids":{"openalex":"https://openalex.org/A5111721862","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I154425047","ror":"https://ror.org/0160cpw27","display_name":"University of Alberta","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]},"years":[1985,1984,1982]},{"institution":{"id":"https://openalex.org/I4210114628","ror":"https://ror.org/02dzzqz47","display_name":"Mount Fuji Research Institute","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210114628"]},"years":[2021,2020,2018,2016,2015]},{"institution":{"id":"https://openalex.org/I4405257316","ror":"https://ror.org/054kjfv40","display_name":"Yamanashi Prefectural Government","country_code":"JP","type":"government","lineage":["https://openalex.org/I4405257316"]},"years":[2021,2018,2016,2015]},{"institution":{"id":"https://openalex.org/I4405268836","ror":"https://ror.org/027j3zg65","display_name":"Earthquake Research Institute, University of Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405268836"]},"years":[2015,2014,2013,2011,2010,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1995,1993,1992,1989,1988,1987]},{"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":[2015,2014,2013,2011,2010,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1995,1993,1992,1989,1988,1987,1983,1977,1976,1974]}],"last_known_institutions":[{"id":"https://openalex.org/I4210114628","ror":"https://ror.org/02dzzqz47","display_name":"Mount Fuji Research Institute","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210114628"]},{"id":"https://openalex.org/I4405257316","ror":"https://ror.org/054kjfv40","display_name":"Yamanashi Prefectural Government","country_code":"JP","type":"government","lineage":["https://openalex.org/I4405257316"]}],"topics":[{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","count":74,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13177","display_name":"Geological and Geophysical Studies","count":53,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10413","display_name":"High-pressure geophysics and materials","count":40,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10110","display_name":"earthquake and tectonic studies","count":17,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","count":12,"subfield":{"id":"https://openalex.org/subfields/1912","display_name":"Space and Planetary Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10413","display_name":"High-pressure geophysics and materials","value":0.000151,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","value":8.52e-05,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13177","display_name":"Geological and Geophysical Studies","value":8.16e-05,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13443","display_name":"Mineralogy and Gemology Studies","value":4.76e-05,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10110","display_name":"earthquake and tectonic studies","value":4.01e-05,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"120806208","wikidata":"https://www.wikidata.org/wiki/Q8072","display_name":"Volcano","score":0.962314248085022},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.932104229927063},{"id":"17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","score":0.8205169439315796},{"id":"165205528","wikidata":"https://www.wikidata.org/wiki/Q83371","display_name":"Seismology","score":0.6439071893692017},{"id":"5900021","wikidata":"https://www.wikidata.org/wiki/Q163082","display_name":"Petrology","score":0.6214489340782166}],"counts_by_year":[{"year":1974,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1976,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1980,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":1,"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":0,"cited_by_count":0},{"year":1984,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1988,"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":3,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":0,"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":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":78},{"year":2013,"works_count":3,"oa_works_count":0,"cited_by_count":110},{"year":2014,"works_count":6,"oa_works_count":1,"cited_by_count":97},{"year":2015,"works_count":4,"oa_works_count":1,"cited_by_count":96},{"year":2016,"works_count":3,"oa_works_count":1,"cited_by_count":89},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":113},{"year":2018,"works_count":2,"oa_works_count":1,"cited_by_count":132},{"year":2019,"works_count":3,"oa_works_count":1,"cited_by_count":129},{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":134},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":134},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":95},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":89},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":100},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":76},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":81}],"display_name_alternatives":["FUJII, Toshitsugu","Fujii, Toshitsugu","TOSHITSUGU FUJII","Toshitsugu FUJII","Toshitsugu Fujii"],"block_key":"t fujii","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111721862","awards_count":8,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5111721862","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
