{"id":"https://openalex.org/A5000829109","orcid":null,"observed_orcids":[],"display_name":"Yoshihiro Oba","raw_author_names":["Yoshihiro OBA","Yoshihiro Oba"],"full_name":"Yoshihiro Oba","works_count":7,"cited_by_count":108,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":3,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5000829109","orcid":null,"observed_orcids":[]},"affiliations":[{"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":[2008]},{"institution":{"id":"https://openalex.org/I24193003","ror":"https://ror.org/02h4myp42","display_name":"Ricoh (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I24193003"]},"years":[2026,2021,2019]},{"institution":{"id":"https://openalex.org/I4405285984","ror":"https://ror.org/00vbrys56","display_name":"Research Institute of Electrical Communication, Tohoku University","country_code":"JP","type":"facility","lineage":["https://openalex.org/I201537933","https://openalex.org/I4405285984"]},"years":[2008]}],"last_known_institutions":[{"id":"https://openalex.org/I24193003","ror":"https://ror.org/02h4myp42","display_name":"Ricoh (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I24193003"]}],"topics":[{"id":"https://openalex.org/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","count":4,"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/T11324","display_name":"Spectroscopy Techniques in Biomedical and Chemical Research","count":4,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"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/T11111","display_name":"Spectroscopy and Laser Applications","count":3,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10049","display_name":"Magnetic properties of thin films","count":2,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"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/T12200","display_name":"Heusler alloys: electronic and magnetic properties","count":2,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12200","display_name":"Heusler alloys: electronic and magnetic properties","value":7.57e-05,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10977","display_name":"Optical Imaging and Spectroscopy Techniques","value":1.98e-05,"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/T11324","display_name":"Spectroscopy Techniques in Biomedical and Chemical Research","value":1.56e-05,"subfield":{"id":"https://openalex.org/subfields/1304","display_name":"Biophysics"},"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/T11111","display_name":"Spectroscopy and Laser Applications","value":1.17e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13812","display_name":"AI and HR Technologies","value":9.6e-06,"subfield":{"id":"https://openalex.org/subfields/1407","display_name":"Organizational Behavior and Human Resource Management"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.7960786819458008},{"id":"120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","score":0.7809840440750122},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.5782191157341003},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.44029998779296875},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.1443786323070526}],"counts_by_year":[{"year":2007,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2019,"works_count":1,"oa_works_count":1,"cited_by_count":7},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":2},{"year":2021,"works_count":2,"oa_works_count":0,"cited_by_count":8},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":2}],"display_name_alternatives":["Yoshihiro OBA","Yoshihiro Oba"],"block_key":"y oba","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000829109","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}