{"id":"https://openalex.org/A5042786802","orcid":null,"observed_orcids":[],"display_name":"Masakatsu Sasada","raw_author_names":["M. Sasada","MASAKATSU SASADA","Masakatsu SASADA","Masakatsu Sasada"],"full_name":"MASAKATSU SASADA","works_count":46,"cited_by_count":621,"summary_stats":{"2yr_mean_citedness":1.0,"h_index":11,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5042786802","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210086780","ror":"https://ror.org/00097mb19","display_name":"Japan Science and Technology Agency","country_code":"JP","type":"government","lineage":["https://openalex.org/I1319490839","https://openalex.org/I4210086780"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I4210135230","ror":"https://ror.org/02wzg6d13","display_name":"Geological Survey of Japan","country_code":"JP","type":"other","lineage":["https://openalex.org/I4210135230","https://openalex.org/I73613424"]},"years":[2014,2005,2003,2002,2000,1999,1998,1997,1995,1992,1989,1986,1980,1979]},{"institution":{"id":"https://openalex.org/I4405285974","ror":"https://ror.org/00td5tv49","display_name":"Research Institute for Geo-Resources and Environment","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210135230","https://openalex.org/I4405285974","https://openalex.org/I73613424"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I73613424","ror":"https://ror.org/01703db54","display_name":"National Institute of Advanced Industrial Science and Technology","country_code":"JP","type":"government","lineage":["https://openalex.org/I73613424"]},"years":[2014,2009,2005,2003,2002]},{"institution":{"id":"https://openalex.org/I97753087","ror":"https://ror.org/0055k7a87","display_name":"New Energy and Industrial Technology Development Organization","country_code":"JP","type":"education","lineage":["https://openalex.org/I97753087"]},"years":[1998,1994]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10001","display_name":"Geological and Geochemical Analysis","count":38,"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/T11225","display_name":"Geothermal Energy Systems and Applications","count":28,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10398","display_name":"Groundwater and Isotope Geochemistry","count":13,"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":13,"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/T11185","display_name":"Integrated Energy Systems Optimization","count":5,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11225","display_name":"Geothermal Energy Systems and Applications","value":0.0002846,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10398","display_name":"Groundwater and Isotope Geochemistry","value":5.92e-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/T10001","display_name":"Geological and Geochemical Analysis","value":4.38e-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/T13443","display_name":"Mineralogy and Gemology Studies","value":2.38e-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":2e-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"}}],"x_concepts":[{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.944359540939331},{"id":"111766609","wikidata":"https://www.wikidata.org/wiki/Q636340","display_name":"Geothermal gradient","score":0.9284753799438477},{"id":"17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","score":0.7742741703987122},{"id":"165205528","wikidata":"https://www.wikidata.org/wiki/Q83371","display_name":"Seismology","score":0.5423049330711365},{"id":"151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","score":0.4120529890060425}],"counts_by_year":[{"year":1975,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1978,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1979,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1984,"works_count":2,"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":0,"cited_by_count":0},{"year":1988,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1993,"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":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1998,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":22},{"year":2014,"works_count":1,"oa_works_count":1,"cited_by_count":30},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":17},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":19},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":24},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":33}],"display_name_alternatives":["M. Sasada","MASAKATSU SASADA","Masakatsu SASADA","Masakatsu Sasada"],"block_key":"m sasada","works_api_url":"https://api.openalex.org/works?filter=author.id:A5042786802","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5042786802","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}