{"id":"https://openalex.org/A5101937834","orcid":"https://orcid.org/0000-0002-6446-5195","observed_orcids":["https://orcid.org/0000-0002-6446-5195"],"display_name":"Hirotaka Ito","raw_author_names":["H ITO","H Ito","H. Ito","HIROTAKA ITO","Hirotaka ITO","Hirotaka Ito","Ito Hirotaka","\u4f0a\u85e4, \u5bdb\u9ad8"],"full_name":"HIROTAKA ITO","works_count":130,"cited_by_count":2703,"summary_stats":{"2yr_mean_citedness":1.9285714285714286,"h_index":21,"i10_index":47},"ids":{"openalex":"https://openalex.org/A5101937834","orcid":"https://orcid.org/0000-0002-6446-5195","observed_orcids":["https://orcid.org/0000-0002-6446-5195"]},"affiliations":[{"institution":{"id":"https://openalex.org/I178574317","ror":"https://ror.org/01529vy56","display_name":"Mie University","country_code":"JP","type":"education","lineage":["https://openalex.org/I178574317"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I203765153","ror":"https://ror.org/03hv1ad10","display_name":"Akita University","country_code":"JP","type":"education","lineage":["https://openalex.org/I203765153"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I33858575","ror":"https://ror.org/04wn7wc95","display_name":"Nagoya City University","country_code":"JP","type":"education","lineage":["https://openalex.org/I33858575"]},"years":[1999,1997,1996,1994,1993,1991,1990,1984,1983,1982,1977,1974]},{"institution":{"id":"https://openalex.org/I4210098921","ror":"https://ror.org/00vzw9736","display_name":"Kariya Toyota General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210098921"]},"years":[2025,2023,2016]},{"institution":{"id":"https://openalex.org/I4210103227","ror":"https://ror.org/019ekef14","display_name":"Kasugai Municipal Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210103227"]},"years":[2026,2025,2024]},{"institution":{"id":"https://openalex.org/I4210110954","ror":"https://ror.org/01paha414","display_name":"Osaki Citizen Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210110954"]},"years":[2024,2023,2022,2021,2020,2019,2018,2017,2016,2014,2013,2012]},{"institution":{"id":"https://openalex.org/I4210117036","ror":"https://ror.org/01nhcyg40","display_name":"Nagoya Ekisaikai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210117036"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I4210124653","ror":"https://ror.org/03b0x6j22","display_name":"Niigata University Medical and Dental Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210124653"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I4210132405","ror":"https://ror.org/02szmmq82","display_name":"Akita University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210132405"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I4210166463","ror":"https://ror.org/05rkz5e28","display_name":"Toranomon Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210166463"]},"years":[1964,1963]},{"institution":{"id":"https://openalex.org/I4405254473","ror":"https://ror.org/01v743b94","display_name":"Chugai Pharmaceutical Co., Ltd. (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4405254473"]},"years":[2005,2004,2003]},{"institution":{"id":"https://openalex.org/I4405284044","ror":"https://ror.org/02tfjxq18","display_name":"Nagoya City University Midori Municipal Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405284044"]},"years":[1991]},{"institution":{"id":"https://openalex.org/I4405286296","ror":"https://ror.org/01rsenb03","display_name":"Aichi Cancer Center Research Institute","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210133851","https://openalex.org/I4405286296"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I53888640","ror":"https://ror.org/02e4qbj88","display_name":"National Defense Medical College","country_code":"JP","type":"education","lineage":["https://openalex.org/I53888640"]},"years":[1998]},{"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":[2022,2021,2020,2018,1999,1996,1990,1977]},{"institution":{"id":"https://openalex.org/I64189623","ror":"https://ror.org/00f2txz25","display_name":"Kitasato University","country_code":"JP","type":"education","lineage":["https://openalex.org/I64189623"]},"years":[2023]},{"institution":{"id":"https://openalex.org/I66005833","ror":"https://ror.org/00aygzx54","display_name":"Niigata University of Health and Welfare","country_code":"JP","type":"education","lineage":["https://openalex.org/I66005833"]},"years":[2019]},{"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":[2013]},{"institution":{"id":"https://openalex.org/I79669737","ror":"https://ror.org/014rqt829","display_name":"Rakuno Gakuen University","country_code":"JP","type":"education","lineage":["https://openalex.org/I79669737"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I922474255","ror":"https://ror.org/044vy1d05","display_name":"Tokushima University","country_code":"JP","type":"education","lineage":["https://openalex.org/I922474255"]},"years":[2003]}],"last_known_institutions":[{"id":"https://openalex.org/I4210103227","ror":"https://ror.org/019ekef14","display_name":"Kasugai Municipal Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210103227"]},{"id":"https://openalex.org/I4210117036","ror":"https://ror.org/01nhcyg40","display_name":"Nagoya Ekisaikai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210117036"]}],"topics":[{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","count":40,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T10619","display_name":"Esophageal Cancer Research and Treatment","count":35,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","count":33,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","count":22,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10877","display_name":"Allergic Rhinitis and Sensitization","count":17,"subfield":{"id":"https://openalex.org/subfields/2723","display_name":"Immunology and Allergy"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10619","display_name":"Esophageal Cancer Research and Treatment","value":0.0001299,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","value":0.0001013,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10696","display_name":"Gastric Cancer Management and Outcomes","value":8.69e-05,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T12914","display_name":"Infectious Disease Case Reports and Treatments","value":8.34e-05,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"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/T10877","display_name":"Allergic Rhinitis and Sensitization","value":6.59e-05,"subfield":{"id":"https://openalex.org/subfields/2723","display_name":"Immunology and Allergy"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9811999797821045},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.8120588064193726},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.8079462051391602},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.7647256851196289},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.6661388278007507}],"counts_by_year":[{"year":1963,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1964,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1974,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1982,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":7,"oa_works_count":7,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1994,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":1996,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":64},{"year":2013,"works_count":3,"oa_works_count":1,"cited_by_count":72},{"year":2014,"works_count":3,"oa_works_count":0,"cited_by_count":59},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":46},{"year":2016,"works_count":5,"oa_works_count":0,"cited_by_count":77},{"year":2017,"works_count":13,"oa_works_count":3,"cited_by_count":100},{"year":2018,"works_count":5,"oa_works_count":2,"cited_by_count":106},{"year":2019,"works_count":8,"oa_works_count":3,"cited_by_count":154},{"year":2020,"works_count":9,"oa_works_count":8,"cited_by_count":161},{"year":2021,"works_count":8,"oa_works_count":1,"cited_by_count":228},{"year":2022,"works_count":6,"oa_works_count":2,"cited_by_count":217},{"year":2023,"works_count":6,"oa_works_count":2,"cited_by_count":248},{"year":2024,"works_count":9,"oa_works_count":6,"cited_by_count":277},{"year":2025,"works_count":3,"oa_works_count":2,"cited_by_count":227},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":221}],"display_name_alternatives":["H ITO","H Ito","H. Ito","HIROTAKA ITO","Hirotaka ITO","Hirotaka Ito","Ito Hirotaka","\u4f0a\u85e4, \u5bdb\u9ad8"],"block_key":"h ito","works_api_url":"https://api.openalex.org/works?filter=author.id:A5101937834","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5101937834","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}