{"id":"https://openalex.org/A5020677341","orcid":"https://orcid.org/0000-0002-5820-2102","observed_orcids":["https://orcid.org/0000-0002-5820-2102"],"display_name":"Sei\u2010ichiro Watanabe","raw_author_names":["S. WATANABE","S. Watanabe","S.-I. Watanabe","S.-i. Watanabe","Sei-Ichiro Watanabe","Sei-ichiro WATANABE","Sei-ichiro Watanabe","Seiichiro WATANABE","Seiichiro Watanabe","Sei\u2010Ichiro Watanabe","Sei\u2010ichiro Watanabe","Sei\u2019ichiro Watanabe","WATANABE, Sei-ichiro","Watanabe, S","Watanabe, S.","Watanabe, Sei-Ichiro","Watanabe, Sei-ichiro","Watanabe, Seiichiro","\u6e21\u908a, \u8aa0\u4e00\u90ce"],"full_name":"Sei-ichiro WATANABE","works_count":353,"cited_by_count":12393,"summary_stats":{"2yr_mean_citedness":9.333333333333334,"h_index":53,"i10_index":145},"ids":{"openalex":"https://openalex.org/A5020677341","orcid":"https://orcid.org/0000-0002-5820-2102","observed_orcids":["https://orcid.org/0000-0002-5820-2102"]},"affiliations":[{"institution":{"id":"https://openalex.org/I113306721","ror":"https://ror.org/03t78wx29","display_name":"Hiroshima University","country_code":"JP","type":"education","lineage":["https://openalex.org/I113306721"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I1280536761","ror":"https://ror.org/02acart68","display_name":"Ames Research Center","country_code":"US","type":"facility","lineage":["https://openalex.org/I1280536761","https://openalex.org/I4210124779"]},"years":[2020,2019]},{"institution":{"id":"https://openalex.org/I1306266525","ror":"https://ror.org/0171mag52","display_name":"Goddard Space Flight Center","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I138006243","ror":"https://ror.org/03m2x1q45","display_name":"University of Arizona","country_code":"US","type":"education","lineage":["https://openalex.org/I138006243"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I166644833","ror":"https://ror.org/02chw6z69","display_name":"Kavli Institute for the Physics and Mathematics of the Universe","country_code":"JP","type":"facility","lineage":["https://openalex.org/I166644833","https://openalex.org/I4405286593","https://openalex.org/I74801974"]},"years":[2024,2022]},{"institution":{"id":"https://openalex.org/I182069643","ror":"https://ror.org/007gj5v75","display_name":"Kanagawa Institute of Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I182069643"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I185103710","ror":"https://ror.org/03s65by71","display_name":"University of California, Santa Cruz","country_code":"US","type":"education","lineage":["https://openalex.org/I185103710"]},"years":[2009,2008]},{"institution":{"id":"https://openalex.org/I20231570","ror":"https://ror.org/02v51f717","display_name":"Peking University","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I27804330","ror":"https://ror.org/05gq02987","display_name":"Brown University","country_code":"US","type":"education","lineage":["https://openalex.org/I27804330"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I2800865746","ror":"https://ror.org/059yhyy33","display_name":"Japan Aerospace Exploration Agency","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746"]},"years":[2024,2023,2022,2021,2020,2019,2017]},{"institution":{"id":"https://openalex.org/I4210136277","ror":"https://ror.org/034gcgw60","display_name":"Institute of Space and Astronautical Science","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746","https://openalex.org/I4210136277"]},"years":[2024,2023,2022,2021,2020,2019,2017,2003]},{"institution":{"id":"https://openalex.org/I43777268","ror":"https://ror.org/058h74p94","display_name":"Nagasaki University","country_code":"JP","type":"education","lineage":["https://openalex.org/I43777268"]},"years":[1986]},{"institution":{"id":"https://openalex.org/I4405286286","ror":"https://ror.org/01qvr7m20","display_name":"Research Institute of Environmental Medicine, Nagoya University","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286286","https://openalex.org/I60134161"]},"years":[1994]},{"institution":{"id":"https://openalex.org/I4405286472","ror":"https://ror.org/028cb1967","display_name":"Misaki Marine Biological Station, School of Science, The University of Tokyo","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286472","https://openalex.org/I74801974"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I4405286483","ror":"https://ror.org/0294zk593","display_name":"JAXA Space Exploration Center","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2800865746","https://openalex.org/I4405286483"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I4405286712","ror":"https://ror.org/02wbf7881","display_name":"Nagoya University Synchrotron Radiation Research Center","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405286712","https://openalex.org/I60134161"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I60134161","ror":"https://ror.org/04chrp450","display_name":"Nagoya University","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2011,2010,2009,2008,2006,2004,2002,2001,2000,1999,1998,1997,1994,1985]},{"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":[2024,2022,2011,1988]}],"last_known_institutions":[{"id":"https://openalex.org/I60134161","ror":"https://ror.org/04chrp450","display_name":"Nagoya University","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"topics":[{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","count":315,"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"}},{"id":"https://openalex.org/T10406","display_name":"Planetary Science and Exploration","count":264,"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"}},{"id":"https://openalex.org/T12449","display_name":"Spacecraft Design and Technology","count":99,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10477","display_name":"Astrophysics and Star Formation Studies","count":88,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T10001","display_name":"Geological and Geochemical Analysis","count":43,"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"}}],"topic_share":[{"id":"https://openalex.org/T10406","display_name":"Planetary Science and Exploration","value":0.0007533,"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"}},{"id":"https://openalex.org/T10325","display_name":"Astro and Planetary Science","value":0.0005171,"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"}},{"id":"https://openalex.org/T12449","display_name":"Spacecraft Design and Technology","value":0.0003734,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11445","display_name":"Origins and Evolution of Life","value":0.0002247,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"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/T10477","display_name":"Astrophysics and Star Formation Studies","value":0.0002041,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"58142911","wikidata":"https://www.wikidata.org/wiki/Q3863","display_name":"Asteroid","score":0.9745076894760132},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9461625218391418},{"id":"87355193","wikidata":"https://www.wikidata.org/wiki/Q411","display_name":"Astrobiology","score":0.9096730351448059},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.8625929355621338},{"id":"1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","score":0.5965733528137207}],"counts_by_year":[{"year":1962,"works_count":1,"oa_works_count":0,"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":1988,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"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":3,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2000,"works_count":2,"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":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":1,"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":2006,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":2008,"works_count":7,"oa_works_count":3,"cited_by_count":0},{"year":2009,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":18},{"year":2013,"works_count":3,"oa_works_count":2,"cited_by_count":31},{"year":2014,"works_count":16,"oa_works_count":6,"cited_by_count":30},{"year":2015,"works_count":10,"oa_works_count":0,"cited_by_count":19},{"year":2016,"works_count":6,"oa_works_count":2,"cited_by_count":49},{"year":2017,"works_count":15,"oa_works_count":6,"cited_by_count":84},{"year":2018,"works_count":27,"oa_works_count":1,"cited_by_count":100},{"year":2019,"works_count":41,"oa_works_count":18,"cited_by_count":371},{"year":2020,"works_count":41,"oa_works_count":21,"cited_by_count":1134},{"year":2021,"works_count":17,"oa_works_count":11,"cited_by_count":1531},{"year":2022,"works_count":36,"oa_works_count":29,"cited_by_count":1286},{"year":2023,"works_count":50,"oa_works_count":48,"cited_by_count":1554},{"year":2024,"works_count":35,"oa_works_count":33,"cited_by_count":1975},{"year":2025,"works_count":2,"oa_works_count":2,"cited_by_count":1949},{"year":2026,"works_count":5,"oa_works_count":5,"cited_by_count":1701}],"display_name_alternatives":["S. WATANABE","S. Watanabe","S.-I. Watanabe","S.-i. Watanabe","Sei-Ichiro Watanabe","Sei-ichiro WATANABE","Sei-ichiro Watanabe","Seiichiro WATANABE","Seiichiro Watanabe","Sei\u2010Ichiro Watanabe","Sei\u2010ichiro Watanabe","Sei\u2019ichiro Watanabe","WATANABE, Sei-ichiro","Watanabe, S","Watanabe, S.","Watanabe, Sei-Ichiro","Watanabe, Sei-ichiro","Watanabe, Seiichiro","\u6e21\u908a, \u8aa0\u4e00\u90ce"],"block_key":"s watanabe","works_api_url":"https://api.openalex.org/works?filter=author.id:A5020677341","awards_count":0,"updated_date":"2026-11-09T14:06:01","created_date":"2016-06-24T00:00:00"}