{"id":"https://openalex.org/A5110059755","orcid":null,"observed_orcids":[],"display_name":"Y Niitsu","raw_author_names":["Niitsu Y.","Y Niitsu","Y. NIITSU","Y. Niitsu","Yojiro NIITSU","Yojiro Niitsu"],"full_name":"Yojiro NIITSU","works_count":62,"cited_by_count":921,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":9,"i10_index":9},"ids":{"openalex":"https://openalex.org/A5110059755","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I141882310","ror":"https://ror.org/01h7cca57","display_name":"Sapporo Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I141882310"]},"years":[2002,2000,1996,1994,1993,1992,1990,1988,1987,1985]},{"institution":{"id":"https://openalex.org/I4210096017","ror":"https://ror.org/00s9ea398","display_name":"Asahi Chemical & Industry (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210096017"]},"years":[1990]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10580","display_name":"Immunotherapy and Immune Responses","count":13,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10452","display_name":"Iron Metabolism and Disorders","count":10,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11503","display_name":"Cytokine Signaling Pathways and Interactions","count":10,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10371","display_name":"Immune Response and Inflammation","count":9,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10294","display_name":"Cell death mechanisms and regulation","count":7,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11503","display_name":"Cytokine Signaling Pathways and Interactions","value":7.58e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11534","display_name":"Erythropoietin and Anemia Treatment","value":5.83e-05,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11628","display_name":"Myeloproliferative Neoplasms: Diagnosis and Treatment","value":5.72e-05,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11313","display_name":"Immune cells in cancer","value":5.27e-05,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11591","display_name":"NF-\u03baB Signaling Pathways","value":4.71e-05,"subfield":{"id":"https://openalex.org/subfields/1306","display_name":"Cancer Research"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9778833389282227},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6808968186378479},{"id":"203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","score":0.5637349486351013},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.5607194304466248},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.5485825538635254}],"counts_by_year":[{"year":1968,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1969,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":6,"oa_works_count":1,"cited_by_count":0},{"year":1988,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"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":21},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":17},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":5}],"display_name_alternatives":["Niitsu Y.","Y Niitsu","Y. NIITSU","Y. Niitsu","Yojiro NIITSU","Yojiro Niitsu"],"block_key":"y niitsu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110059755","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5110059755","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}