{"id":"https://openalex.org/A5022520249","orcid":"https://orcid.org/0000-0002-1369-4713","observed_orcids":["https://orcid.org/0000-0002-1369-4713"],"display_name":"Masaaki Hamada","raw_author_names":["Hamada Masaaki","Hamada, Masaaki","Masaaki Hamada"],"full_name":"Masaaki Hamada","works_count":21,"cited_by_count":74,"summary_stats":{"2yr_mean_citedness":0.9,"h_index":5,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5022520249","orcid":"https://orcid.org/0000-0002-1369-4713","observed_orcids":["https://orcid.org/0000-0002-1369-4713"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4405253960","ror":"https://ror.org/018g9j451","display_name":"YAO Municipal Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405253960"]},"years":[2026,2025,2024,2023,2022,2021,2020]}],"last_known_institutions":[{"id":"https://openalex.org/I4405253960","ror":"https://ror.org/018g9j451","display_name":"YAO Municipal Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405253960"]}],"topics":[{"id":"https://openalex.org/T10634","display_name":"Food Allergy and Anaphylaxis Research","count":20,"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"}},{"id":"https://openalex.org/T10877","display_name":"Allergic Rhinitis and Sensitization","count":16,"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"}},{"id":"https://openalex.org/T10051","display_name":"Asthma and respiratory diseases","count":10,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology"},"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/T11117","display_name":"Drug-Induced Adverse Reactions","count":7,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"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/T12538","display_name":"Eosinophilic Esophagitis","count":5,"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/T12538","display_name":"Eosinophilic Esophagitis","value":9.97e-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/T10634","display_name":"Food Allergy and Anaphylaxis Research","value":8.84e-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"}},{"id":"https://openalex.org/T10877","display_name":"Allergic Rhinitis and Sensitization","value":5.95e-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"}},{"id":"https://openalex.org/T12796","display_name":"Dermatological and COVID-19 studies","value":3.68e-05,"subfield":{"id":"https://openalex.org/subfields/2708","display_name":"Dermatology"},"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/T11117","display_name":"Drug-Induced Adverse Reactions","value":2.86e-05,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"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":0.9700000286102295},{"id":"207480886","wikidata":"https://www.wikidata.org/wiki/Q42982","display_name":"Allergy","score":0.8229624032974243},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.5764527916908264},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.5381648540496826},{"id":"203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","score":0.5116999745368958}],"counts_by_year":[{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":22},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":19},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":4},{"year":2023,"works_count":4,"oa_works_count":3,"cited_by_count":20},{"year":2024,"works_count":4,"oa_works_count":3,"cited_by_count":5},{"year":2025,"works_count":5,"oa_works_count":2,"cited_by_count":4},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Hamada Masaaki","Hamada, Masaaki","Masaaki Hamada"],"block_key":"m hamada","works_api_url":"https://api.openalex.org/works?filter=author.id:A5022520249","updated_date":"2026-10-15T12:44:11","created_date":"2025-10-10T00:00:00"}
