{"id":"https://openalex.org/A5073736768","orcid":"https://orcid.org/0000-0003-4386-8056","observed_orcids":["https://orcid.org/0000-0003-4386-8056"],"display_name":"Keita A. Yokoyama","raw_author_names":["Keita A. Yokoyama","Keita Yokoyama","Yokoyama, Keita","Yokoyama, K\u00e9ita Andrew"],"full_name":"Keita A. Yokoyama","works_count":15,"cited_by_count":27,"summary_stats":{"2yr_mean_citedness":0.25,"h_index":3,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5073736768","orcid":"https://orcid.org/0000-0003-4386-8056","observed_orcids":["https://orcid.org/0000-0003-4386-8056"]},"affiliations":[{"institution":{"id":"https://openalex.org/I114027177","ror":"https://ror.org/0130frc33","display_name":"University of North Carolina at Chapel Hill","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]},"years":[2026,2025,2023,2022,2021,2020,2019]},{"institution":{"id":"https://openalex.org/I137902535","ror":"https://ror.org/04tj63d06","display_name":"North Carolina State University","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]},"years":[2025,2023,2022,2021,2020,2019]},{"institution":{"id":"https://openalex.org/I4210131205","ror":"https://ror.org/03hakdk41","display_name":"Lampe Joint Department of Biomedical Engineering","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177","https://openalex.org/I137902535","https://openalex.org/I4210131205"]},"years":[2025,2023,2022,2021]}],"last_known_institutions":[{"id":"https://openalex.org/I114027177","ror":"https://ror.org/0130frc33","display_name":"University of North Carolina at Chapel Hill","country_code":"US","type":"education","lineage":["https://openalex.org/I114027177"]}],"topics":[{"id":"https://openalex.org/T10727","display_name":"Ultrasound Imaging and Elastography","count":15,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","count":9,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10052","display_name":"Medical Image Segmentation Techniques","count":7,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","count":4,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10958","display_name":"Ultrasound and Hyperthermia Applications","count":2,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12015","display_name":"Photoacoustic and Ultrasonic Imaging","value":0.0001386,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10727","display_name":"Ultrasound Imaging and Elastography","value":0.0001009,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T10052","display_name":"Medical Image Segmentation Techniques","value":1.72e-05,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10958","display_name":"Ultrasound and Hyperthermia Applications","value":1.35e-05,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12067","display_name":"Renal and Vascular Pathologies","value":1.32e-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":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8387513756752014},{"id":"143753070","wikidata":"https://www.wikidata.org/wiki/Q162564","display_name":"Ultrasound","score":0.603263258934021},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.5541802048683167},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5383419394493103},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.506700336933136}],"counts_by_year":[{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":7},{"year":2020,"works_count":5,"oa_works_count":0,"cited_by_count":11},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":4},{"year":2022,"works_count":2,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":2,"oa_works_count":0,"cited_by_count":2},{"year":2025,"works_count":3,"oa_works_count":2,"cited_by_count":1},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Keita A. Yokoyama","Keita Yokoyama","Yokoyama, Keita","Yokoyama, K\u00e9ita Andrew"],"block_key":"k yokoyama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5073736768","updated_date":"2026-10-12T12:34:37","created_date":"2025-10-10T00:00:00"}