{"id":"https://openalex.org/A5084773958","orcid":"https://orcid.org/0009-0008-9516-4804","observed_orcids":["https://orcid.org/0009-0008-9516-4804"],"display_name":"Ikko Shimizu","raw_author_names":["Ikko SHIMIZU","Ikko Shimizu"],"full_name":"Shimizu, Ikko","works_count":20,"cited_by_count":116,"summary_stats":{"2yr_mean_citedness":0.6363636363636364,"h_index":4,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5084773958","orcid":"https://orcid.org/0009-0008-9516-4804","observed_orcids":["https://orcid.org/0009-0008-9516-4804"]},"affiliations":[{"institution":{"id":"https://openalex.org/I118574687","ror":"https://ror.org/0447kww10","display_name":"University of Miyazaki","country_code":"JP","type":"education","lineage":["https://openalex.org/I118574687"]},"years":[2025,2024,2023,2021]},{"institution":{"id":"https://openalex.org/I146399215","ror":"https://ror.org/02956yf07","display_name":"University of Tsukuba","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I167679456","ror":"https://ror.org/003w6kb85","display_name":"Shikoku Gakuin University","country_code":"JP","type":"education","lineage":["https://openalex.org/I167679456"]},"years":[2024,2023,2021]},{"institution":{"id":"https://openalex.org/I4210134633","ror":"https://ror.org/03n60ep10","display_name":"University of Miyazaki Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210134633"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I4405257071","ror":"https://ror.org/04vqpwb25","display_name":"Miyazaki Medical Association Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405257071"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]},"years":[2020,2018]}],"last_known_institutions":[{"id":"https://openalex.org/I4405257071","ror":"https://ror.org/04vqpwb25","display_name":"Miyazaki Medical Association Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405257071"]}],"topics":[{"id":"https://openalex.org/T10026","display_name":"Galaxies: Formation, Evolution, Phenomena","count":6,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10073","display_name":"Hepatocellular Carcinoma Treatment and Prognosis","count":5,"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/T10039","display_name":"Stellar, planetary, and galactic studies","count":3,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10477","display_name":"Astrophysics and Star Formation Studies","count":3,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11364","display_name":"Cholangiocarcinoma and Gallbladder Cancer Studies","count":3,"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"}}],"topic_share":[{"id":"https://openalex.org/T12154","display_name":"Pelvic and Acetabular Injuries","value":2.38e-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/T11364","display_name":"Cholangiocarcinoma and Gallbladder Cancer Studies","value":2.31e-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/T12450","display_name":"Radio Astronomy Observations and Technology","value":2.21e-05,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10073","display_name":"Hepatocellular Carcinoma Treatment and Prognosis","value":1.43e-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/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","value":9.9e-06,"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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9915000200271606},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9642575979232788},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6711999773979187},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.639363169670105},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.4461306035518646}],"counts_by_year":[{"year":2004,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2018,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2020,"works_count":2,"oa_works_count":0,"cited_by_count":2},{"year":2021,"works_count":2,"oa_works_count":2,"cited_by_count":4},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2023,"works_count":3,"oa_works_count":3,"cited_by_count":28},{"year":2024,"works_count":5,"oa_works_count":5,"cited_by_count":24},{"year":2025,"works_count":5,"oa_works_count":5,"cited_by_count":23},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":27}],"display_name_alternatives":["Ikko SHIMIZU","Ikko Shimizu"],"block_key":"i shimizu","works_api_url":"https://api.openalex.org/works?filter=author.id:A5084773958","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5084773958","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
