{"id":"https://openalex.org/A5000143058","orcid":"https://orcid.org/0009-0002-0976-2979","observed_orcids":["https://orcid.org/0009-0002-0976-2979"],"display_name":"Kei Onishi","raw_author_names":["Kei Onishi"],"full_name":"Kei Onishi","works_count":20,"cited_by_count":44,"summary_stats":{"2yr_mean_citedness":1.2,"h_index":4,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5000143058","orcid":"https://orcid.org/0009-0002-0976-2979","observed_orcids":["https://orcid.org/0009-0002-0976-2979"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210145364","ror":"https://ror.org/03c648b36","display_name":"Ehime Prefectural Central Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210145364"]},"years":[2026,2025,2024,2023,2021,2016]}],"last_known_institutions":[{"id":"https://openalex.org/I4210145364","ror":"https://ror.org/03c648b36","display_name":"Ehime Prefectural Central Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210145364"]}],"topics":[{"id":"https://openalex.org/T10073","display_name":"Hepatocellular Carcinoma Treatment and Prognosis","count":9,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10134","display_name":"Inflammatory Bowel Disease","count":4,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"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"}},{"id":"https://openalex.org/T10337","display_name":"Liver Disease and Transplantation","count":3,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T10340","display_name":"Hepatitis B Virus Studies","count":3,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T11194","display_name":"Ocular Diseases and Beh\u00e7et\u2019s Syndrome","count":3,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"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/T13569","display_name":"Microscopic Colitis","value":4.35e-05,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10073","display_name":"Hepatocellular Carcinoma Treatment and Prognosis","value":2.57e-05,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T12025","display_name":"Hepatitis Viruses Studies and Epidemiology","value":1.9e-05,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T11364","display_name":"Cholangiocarcinoma and Gallbladder Cancer Studies","value":1.55e-05,"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/T14093","display_name":"Global Health and Epidemiology","value":1.32e-05,"subfield":{"id":"https://openalex.org/subfields/3605","display_name":"Health Information Management"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"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":0.9540072679519653},{"id":"2778019345","wikidata":"https://www.wikidata.org/wiki/Q1148337","display_name":"Hepatocellular carcinoma","score":0.9265889525413513},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.8160485625267029},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.7801465392112732},{"id":"143998085","wikidata":"https://www.wikidata.org/wiki/Q162555","display_name":"Oncology","score":0.46650001406669617}],"counts_by_year":[{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":1},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":1},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2023,"works_count":1,"oa_works_count":0,"cited_by_count":3},{"year":2024,"works_count":4,"oa_works_count":2,"cited_by_count":2},{"year":2025,"works_count":9,"oa_works_count":8,"cited_by_count":13},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":17}],"display_name_alternatives":["Kei Onishi"],"block_key":"k onishi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000143058","updated_date":"2026-11-04T11:47:51","created_date":"2016-10-28T00:00:00"}