{"id":"https://openalex.org/A5111992915","orcid":null,"observed_orcids":[],"display_name":"Syouhei Nishihama","raw_author_names":["Nishihama, Syouhei","S. Nishihama","SYOUHEI NISHIHAMA","Syouhei NISHIHAMA","Syouhei Nishihama"],"full_name":"Nishihama, Syouhei","works_count":121,"cited_by_count":2535,"summary_stats":{"2yr_mean_citedness":1.25,"h_index":29,"i10_index":56},"ids":{"openalex":"https://openalex.org/A5111992915","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I17056963","ror":"https://ror.org/03mfefw72","display_name":"The University of Kitakyushu","country_code":"JP","type":"education","lineage":["https://openalex.org/I17056963"]},"years":[2026,2025,2024,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2003]},{"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":[2014,2011]},{"institution":{"id":"https://openalex.org/I4405287176","ror":"https://ror.org/04amqww53","display_name":"Research Center for Solar Energy Chemistry, Graduate School of Engineering Science, Osaka University","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405287176","https://openalex.org/I98285908"]},"years":[2003,2002,2001]},{"institution":{"id":"https://openalex.org/I72951846","ror":"https://ror.org/05dk0ce17","display_name":"Washington State University","country_code":"US","type":"education","lineage":["https://openalex.org/I72951846"]},"years":[2013]},{"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":[2003,2002,2001,2000,1999,1998,1997]}],"last_known_institutions":[{"id":"https://openalex.org/I17056963","ror":"https://ror.org/03mfefw72","display_name":"The University of Kitakyushu","country_code":"JP","type":"education","lineage":["https://openalex.org/I17056963"]}],"topics":[{"id":"https://openalex.org/T11091","display_name":"Extraction and Separation Processes","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/T10973","display_name":"Radioactive element chemistry and processing","count":44,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10016","display_name":"Adsorption and biosorption for pollutant removal","count":28,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10180","display_name":"Analytical chemistry methods development","count":28,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12524","display_name":"Chemical Synthesis and Characterization","count":27,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11091","display_name":"Extraction and Separation Processes","value":0.0003137,"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/T12524","display_name":"Chemical Synthesis and Characterization","value":0.0002564,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10973","display_name":"Radioactive element chemistry and processing","value":0.0001665,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10710","display_name":"Arsenic contamination and mitigation","value":0.0001492,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12017","display_name":"Recycling and Waste Management Techniques","value":0.0001009,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9843567609786987},{"id":"150394285","wikidata":"https://www.wikidata.org/wiki/Q180254","display_name":"Adsorption","score":0.9662600755691528},{"id":"43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","score":0.7966715097427368},{"id":"179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","score":0.6686112880706787},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.3709752559661865}],"counts_by_year":[{"year":1997,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":5,"oa_works_count":4,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":5,"oa_works_count":1,"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":1,"cited_by_count":0},{"year":2012,"works_count":9,"oa_works_count":1,"cited_by_count":63},{"year":2013,"works_count":7,"oa_works_count":4,"cited_by_count":58},{"year":2014,"works_count":2,"oa_works_count":2,"cited_by_count":81},{"year":2015,"works_count":6,"oa_works_count":2,"cited_by_count":87},{"year":2016,"works_count":5,"oa_works_count":2,"cited_by_count":100},{"year":2017,"works_count":10,"oa_works_count":1,"cited_by_count":110},{"year":2018,"works_count":9,"oa_works_count":6,"cited_by_count":114},{"year":2019,"works_count":2,"oa_works_count":1,"cited_by_count":152},{"year":2020,"works_count":7,"oa_works_count":2,"cited_by_count":196},{"year":2021,"works_count":7,"oa_works_count":4,"cited_by_count":209},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":264},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":191},{"year":2024,"works_count":2,"oa_works_count":1,"cited_by_count":286},{"year":2025,"works_count":4,"oa_works_count":3,"cited_by_count":223},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":146}],"display_name_alternatives":["Nishihama, Syouhei","S. Nishihama","SYOUHEI NISHIHAMA","Syouhei NISHIHAMA","Syouhei Nishihama"],"block_key":"s nishihama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111992915","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}