{"id":"https://openalex.org/A5046560902","orcid":"https://orcid.org/0000-0002-5762-2156","observed_orcids":["https://orcid.org/0000-0002-5762-2156"],"display_name":"Yohei Ogata","raw_author_names":["Y., Ogata","Yohei Ogata"],"full_name":"Yohei Ogata","works_count":67,"cited_by_count":667,"summary_stats":{"2yr_mean_citedness":2.761904761904762,"h_index":12,"i10_index":14},"ids":{"openalex":"https://openalex.org/A5046560902","orcid":"https://orcid.org/0000-0002-5762-2156","observed_orcids":["https://orcid.org/0000-0002-5762-2156"]},"affiliations":[{"institution":{"id":"https://openalex.org/I1334819555","ror":"https://ror.org/02yrq0923","display_name":"Memorial Sloan Kettering Cancer Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1334819555"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I201537933","ror":"https://ror.org/01dq60k83","display_name":"Tohoku University","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]},"years":[2026,2025,2024,2023,2022,2021,2020]},{"institution":{"id":"https://openalex.org/I4210139476","ror":"https://ror.org/042ser453","display_name":"Sendai City Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210139476"]},"years":[2020,2019]}],"last_known_institutions":[{"id":"https://openalex.org/I1334819555","ror":"https://ror.org/02yrq0923","display_name":"Memorial Sloan Kettering Cancer Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1334819555"]},{"id":"https://openalex.org/I201537933","ror":"https://ror.org/01dq60k83","display_name":"Tohoku University","country_code":"JP","type":"education","lineage":["https://openalex.org/I201537933"]}],"topics":[{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","count":43,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"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":23,"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/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","count":20,"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/T10619","display_name":"Esophageal Cancer Research and Treatment","count":18,"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/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","count":11,"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"}}],"topic_share":[{"id":"https://openalex.org/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","value":0.0001098,"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":9.37e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"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","value":6.71e-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/T11378","display_name":"Gastrointestinal Bleeding Diagnosis and Treatment","value":6.37e-05,"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/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","value":6.16e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.991599977016449},{"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":0.7204389572143555},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6424000263214111},{"id":"2778451229","wikidata":"https://www.wikidata.org/wiki/Q212809","display_name":"Endoscopy","score":0.4476277232170105}],"counts_by_year":[{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2020,"works_count":4,"oa_works_count":3,"cited_by_count":25},{"year":2021,"works_count":9,"oa_works_count":3,"cited_by_count":40},{"year":2022,"works_count":5,"oa_works_count":4,"cited_by_count":82},{"year":2023,"works_count":6,"oa_works_count":2,"cited_by_count":105},{"year":2024,"works_count":20,"oa_works_count":11,"cited_by_count":130},{"year":2025,"works_count":12,"oa_works_count":10,"cited_by_count":123},{"year":2026,"works_count":10,"oa_works_count":3,"cited_by_count":161}],"display_name_alternatives":["Y., Ogata","Yohei Ogata"],"block_key":"y ogata","works_api_url":"https://api.openalex.org/works?filter=author.id:A5046560902","updated_date":"2026-11-04T11:47:51","created_date":"2019-10-10T00:00:00"}
