{"id":"https://openalex.org/A5113551522","orcid":null,"observed_orcids":[],"display_name":"TORU NAKAJIMA","raw_author_names":["TORU NAKAJIMA"],"full_name":"TORU NAKAJIMA","works_count":1,"cited_by_count":24,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":1,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5113551522","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4400573282","ror":"https://ror.org/02p6v5z38","display_name":"Teikyo University Hospital, Mizonokuchi","country_code":"JP","type":"education","lineage":["https://openalex.org/I4400573282","https://openalex.org/I87531838"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I87531838","ror":"https://ror.org/01gaw2478","display_name":"Teikyo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I87531838"]},"years":[1998]}],"last_known_institutions":[{"id":"https://openalex.org/I4400573282","ror":"https://ror.org/02p6v5z38","display_name":"Teikyo University Hospital, Mizonokuchi","country_code":"JP","type":"education","lineage":["https://openalex.org/I4400573282","https://openalex.org/I87531838"]},{"id":"https://openalex.org/I87531838","ror":"https://ror.org/01gaw2478","display_name":"Teikyo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I87531838"]}],"topics":[{"id":"https://openalex.org/T10342","display_name":"Circadian rhythm and melatonin","count":1,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10985","display_name":"Sleep and Wakefulness Research","count":1,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11373","display_name":"Sleep and Work-Related Fatigue","count":1,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10985","display_name":"Sleep and Wakefulness Research","value":6.6e-06,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11373","display_name":"Sleep and Work-Related Fatigue","value":6e-06,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10342","display_name":"Circadian rhythm and melatonin","value":4.3e-06,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","score":0.5642337799072266},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.35809677839279175},{"id":"134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","score":0.347476601600647},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.3394116163253784},{"id":"199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","score":0.0}],"counts_by_year":[{"year":1998,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["TORU NAKAJIMA"],"block_key":"t nakajima","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113551522","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}