{"id":"https://openalex.org/A5111805609","orcid":null,"observed_orcids":[],"display_name":"Kouichi Kamijima","raw_author_names":["K. Kamijima","Kouichi Kamijima"],"full_name":"Kouichi Kamijima","works_count":12,"cited_by_count":667,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":10,"i10_index":10},"ids":{"openalex":"https://openalex.org/A5111805609","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4388891902","ror":"https://ror.org/01vgenm18","display_name":"Showa Denko Materials Co., Ltd. (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4388891786","https://openalex.org/I4388891902"]},"years":[2011,2010]},{"institution":{"id":"https://openalex.org/I65143321","ror":"https://ror.org/02exqgm79","display_name":"Hitachi (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]},"years":[2011,2010]}],"last_known_institutions":[{"id":"https://openalex.org/I4388891902","ror":"https://ror.org/01vgenm18","display_name":"Showa Denko Materials Co., Ltd. (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4388891786","https://openalex.org/I4388891902"]},{"id":"https://openalex.org/I65143321","ror":"https://ror.org/02exqgm79","display_name":"Hitachi (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]}],"topics":[{"id":"https://openalex.org/T10281","display_name":"Advanced Battery Materials and Technologies","count":10,"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"}},{"id":"https://openalex.org/T10480","display_name":"Ionic liquids properties and applications","count":10,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical 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/T10018","display_name":"Advancements in Battery Materials","count":4,"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"}},{"id":"https://openalex.org/T10179","display_name":"Supercapacitor Materials and Fabrication","count":3,"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/T11690","display_name":"Aqueous and Flow Batteries","count":3,"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/T10480","display_name":"Ionic liquids properties and applications","value":8.02e-05,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical 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/T10281","display_name":"Advanced Battery Materials and Technologies","value":3.55e-05,"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"}},{"id":"https://openalex.org/T11690","display_name":"Aqueous and Flow Batteries","value":2.18e-05,"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"}},{"id":"https://openalex.org/T10179","display_name":"Supercapacitor Materials and Fabrication","value":1.4e-05,"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/T11947","display_name":"Molten salt chemistry and electrochemical processes","value":1.01e-05,"subfield":{"id":"https://openalex.org/subfields/1603","display_name":"Electrochemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"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":0.662094235420227},{"id":"179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","score":0.634851336479187},{"id":"17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","score":0.36603212356567383},{"id":"147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","score":0.29584285616874695},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.22211283445358276}],"counts_by_year":[{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":0,"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":0,"oa_works_count":0,"cited_by_count":63},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":51},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":100},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":40},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":30},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":13}],"display_name_alternatives":["K. Kamijima","Kouichi Kamijima"],"block_key":"k kamijima","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111805609","updated_date":"2026-11-04T11:47:51","created_date":"2016-06-24T00:00:00"}
