{"id":"https://openalex.org/A5048877698","orcid":"https://orcid.org/0000-0002-9552-1719","observed_orcids":["https://orcid.org/0000-0002-9552-1719"],"display_name":"Keisuke Ishikawa","raw_author_names":["Ishikawa, Keisuke","K Ishikawa","Keisuke Ishikawa"],"full_name":"Ishikawa, Keisuke","works_count":29,"cited_by_count":114,"summary_stats":{"2yr_mean_citedness":0.8181818181818182,"h_index":7,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5048877698","orcid":"https://orcid.org/0000-0002-9552-1719","observed_orcids":["https://orcid.org/0000-0002-9552-1719"]},"affiliations":[{"institution":{"id":"https://openalex.org/I34077901","ror":"https://ror.org/01692sz90","display_name":"Juntendo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I34077901"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,1988]},{"institution":{"id":"https://openalex.org/I4210130703","ror":"https://ror.org/035svbv36","display_name":"Juntendo University Shizuoka Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210130703"]},"years":[2019]},{"institution":{"id":"https://openalex.org/I4210137488","ror":"https://ror.org/03gxkq182","display_name":"Juntendo University Urayasu Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137488"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,1988]}],"last_known_institutions":[{"id":"https://openalex.org/I34077901","ror":"https://ror.org/01692sz90","display_name":"Juntendo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I34077901"]},{"id":"https://openalex.org/I4210137488","ror":"https://ror.org/03gxkq182","display_name":"Juntendo University Urayasu Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210137488"]}],"topics":[{"id":"https://openalex.org/T10459","display_name":"Sexual function and dysfunction studies","count":12,"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"}},{"id":"https://openalex.org/T10279","display_name":"Urinary Bladder and Prostate Research","count":10,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T11146","display_name":"Hormonal and reproductive studies","count":8,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T10116","display_name":"Sperm and Testicular Function","count":5,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive 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/T11815","display_name":"Urological Disorders and Treatments","count":5,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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/T10459","display_name":"Sexual function and dysfunction studies","value":5.42e-05,"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"}},{"id":"https://openalex.org/T11146","display_name":"Hormonal and reproductive studies","value":5.29e-05,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/T13313","display_name":"Dupuytren's Contracture and Treatments","value":3.24e-05,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T12335","display_name":"Sexuality, Behavior, and Technology","value":2.51e-05,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10279","display_name":"Urinary Bladder and Prostate Research","value":2.1e-05,"subfield":{"id":"https://openalex.org/subfields/2748","display_name":"Urology"},"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":0.9805999994277954},{"id":"2779929075","wikidata":"https://www.wikidata.org/wiki/Q184674","display_name":"Erectile dysfunction","score":0.9147378206253052},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6471999883651733},{"id":"126894567","wikidata":"https://www.wikidata.org/wiki/Q105650","display_name":"Urology","score":0.6113778948783875},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.4992656707763672}],"counts_by_year":[{"year":1988,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2019,"works_count":4,"oa_works_count":2,"cited_by_count":38},{"year":2020,"works_count":5,"oa_works_count":2,"cited_by_count":35},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":9},{"year":2022,"works_count":1,"oa_works_count":0,"cited_by_count":7},{"year":2023,"works_count":4,"oa_works_count":4,"cited_by_count":16},{"year":2024,"works_count":5,"oa_works_count":5,"cited_by_count":5},{"year":2025,"works_count":4,"oa_works_count":2,"cited_by_count":4},{"year":2026,"works_count":2,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Ishikawa, Keisuke","K Ishikawa","Keisuke Ishikawa"],"block_key":"k ishikawa","works_api_url":"https://api.openalex.org/works?filter=author.id:A5048877698","updated_date":"2026-10-11T12:31:35","created_date":"2016-06-24T00:00:00"}