{"id":"https://openalex.org/A5113481447","orcid":null,"observed_orcids":[],"display_name":"R. Hayakawa","raw_author_names":["R Hayakawa","R. Hayakawa","Reisuke Hayakawa"],"full_name":"Reisuke Hayakawa","works_count":12,"cited_by_count":1,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":1,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5113481447","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210090647","ror":"https://ror.org/008zz8m46","display_name":"Nagoya University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210090647"]},"years":[1966]},{"institution":{"id":"https://openalex.org/I4210158988","ror":"https://ror.org/04yveyc27","display_name":"Tosei General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210158988"]},"years":[1970,1969]},{"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":[1988,1967,1966]}],"last_known_institutions":[{"id":"https://openalex.org/I60134161","ror":"https://ror.org/04chrp450","display_name":"Nagoya University","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"topics":[{"id":"https://openalex.org/T10276","display_name":"Helicobacter pylori-related gastroenterology studies","count":7,"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/T10696","display_name":"Gastric Cancer Management and Outcomes","count":6,"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/T10365","display_name":"Gastrointestinal motility and disorders","count":4,"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/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","count":3,"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/T10518","display_name":"Gallbladder and Bile Duct Disorders","count":2,"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"}}],"topic_share":[{"id":"https://openalex.org/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","value":2.84e-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":2.04e-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/T11924","display_name":"Polyamine Metabolism and Applications","value":1.44e-05,"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"}},{"id":"https://openalex.org/T13199","display_name":"Digestive system and related health","value":1.33e-05,"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/T10696","display_name":"Gastric Cancer Management and Outcomes","value":1.25e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9261620044708252},{"id":"41260117","wikidata":"https://www.wikidata.org/wiki/Q668064","display_name":"Hepatology","score":0.8579474687576294},{"id":"2780140570","wikidata":"https://www.wikidata.org/wiki/Q3545481","display_name":"Surgical oncology","score":0.8462567329406738},{"id":"2780120127","wikidata":"https://www.wikidata.org/wiki/Q743664","display_name":"Abdominal surgery","score":0.7985696792602539},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6999545097351074}],"counts_by_year":[{"year":1966,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1967,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1969,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1970,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0}],"display_name_alternatives":["R Hayakawa","R. Hayakawa","Reisuke Hayakawa"],"block_key":"r hayakawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113481447","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}