{"id":"https://openalex.org/A5089286287","orcid":"https://orcid.org/0000-0002-1065-2470","observed_orcids":["https://orcid.org/0000-0002-1065-2470"],"display_name":"Hirokazu Okada","raw_author_names":["H. Okada","Hirokazu Okada","Okada, Hirokazu"],"full_name":"Okada, Hirokazu","works_count":29,"cited_by_count":1054,"summary_stats":{"2yr_mean_citedness":0.14285714285714285,"h_index":9,"i10_index":9},"ids":{"openalex":"https://openalex.org/A5089286287","orcid":"https://orcid.org/0000-0002-1065-2470","observed_orcids":["https://orcid.org/0000-0002-1065-2470"]},"affiliations":[{"institution":{"id":"https://openalex.org/I136199984","ror":"https://ror.org/03vek6s52","display_name":"Harvard University","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},"years":[2001]},{"institution":{"id":"https://openalex.org/I170897317","ror":"https://ror.org/00py81415","display_name":"Duke University","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]},"years":[2012,2011]},{"institution":{"id":"https://openalex.org/I2799503643","ror":"https://ror.org/01esghr10","display_name":"Columbia University Irving Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799503643"]},"years":[2010,2005]},{"institution":{"id":"https://openalex.org/I35440088","ror":"https://ror.org/05a28rw58","display_name":"ETH Zurich","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088"]},"years":[2016,2015]},{"institution":{"id":"https://openalex.org/I4210121151","ror":"https://ror.org/02tyjnv32","display_name":"Saitama Medical University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210121151"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I4210126298","ror":"https://ror.org/03njmea73","display_name":"Duke Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210126298","https://openalex.org/I4210144876"]},"years":[2012,2011]},{"institution":{"id":"https://openalex.org/I4405255907","ror":"https://ror.org/03j5gm982","display_name":"Institute for Molecular Systems Biology","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4405255907"]},"years":[2016,2015]},{"institution":{"id":"https://openalex.org/I78577930","ror":"https://ror.org/00hj8s172","display_name":"Columbia University","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]},"years":[2006,2005]},{"institution":{"id":"https://openalex.org/I8588240","ror":"https://ror.org/04zb31v77","display_name":"Saitama Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I8588240"]},"years":[2025,2018,2001]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10408","display_name":"Chronic Kidney Disease and Diabetes","count":8,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/T10086","display_name":"Alzheimer's disease research and treatments","count":5,"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/T10617","display_name":"Cellular transport and secretion","count":4,"subfield":{"id":"https://openalex.org/subfields/1307","display_name":"Cell 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/T11029","display_name":"Renal Diseases and Glomerulopathies","count":4,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/T10009","display_name":"Dementia and Cognitive Impairment Research","count":3,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"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/T13223","display_name":"Connective Tissue Growth Factor Research","value":7.2e-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/T10408","display_name":"Chronic Kidney Disease and Diabetes","value":1.93e-05,"subfield":{"id":"https://openalex.org/subfields/2727","display_name":"Nephrology"},"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/T12140","display_name":"Renal and related cancers","value":1.75e-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/T10617","display_name":"Cellular transport and secretion","value":1.59e-05,"subfield":{"id":"https://openalex.org/subfields/1307","display_name":"Cell 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/T10519","display_name":"Advanced Proteomics Techniques and Applications","value":1.27e-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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9726999998092651},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.8090007305145264},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6474000215530396},{"id":"104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","score":0.5124474167823792},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.4997434616088867}],"counts_by_year":[{"year":2001,"works_count":3,"oa_works_count":3,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":2,"cited_by_count":56},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":59},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":53},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":62},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":57},{"year":2018,"works_count":2,"oa_works_count":2,"cited_by_count":54},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":54},{"year":2022,"works_count":1,"oa_works_count":0,"cited_by_count":53},{"year":2023,"works_count":1,"oa_works_count":0,"cited_by_count":46},{"year":2024,"works_count":3,"oa_works_count":0,"cited_by_count":46},{"year":2025,"works_count":3,"oa_works_count":1,"cited_by_count":34},{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":24}],"display_name_alternatives":["H. Okada","Hirokazu Okada","Okada, Hirokazu"],"block_key":"h okada","works_api_url":"https://api.openalex.org/works?filter=author.id:A5089286287","updated_date":"2026-11-01T11:00:13","created_date":"2016-06-24T00:00:00"}