{"id":"https://openalex.org/A5101522175","orcid":"https://orcid.org/0000-0002-6289-5677","observed_orcids":["https://orcid.org/0000-0002-6289-5677"],"display_name":"Nobuyuki Takahashi","raw_author_names":["N. Takahashi","Nobuyuki Takahashi"],"full_name":"Nobuyuki Takahashi","works_count":45,"cited_by_count":572,"summary_stats":{"2yr_mean_citedness":0.9,"h_index":11,"i10_index":12},"ids":{"openalex":"https://openalex.org/A5101522175","orcid":"https://orcid.org/0000-0002-6289-5677","observed_orcids":["https://orcid.org/0000-0002-6289-5677"]},"affiliations":[{"institution":{"id":"https://openalex.org/I146399215","ror":"https://ror.org/02956yf07","display_name":"University of Tsukuba","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]},"years":[2011,2006,2005,2004,2003,2002]},{"institution":{"id":"https://openalex.org/I4210096554","ror":"https://ror.org/010bv4c75","display_name":"Tsukuba Memorial Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210096554"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2015]},{"institution":{"id":"https://openalex.org/I4210114927","ror":"https://ror.org/028fz3b89","display_name":"University of Tsukuba Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210114927"]},"years":[2012,2004,2000]},{"institution":{"id":"https://openalex.org/I4210139512","ror":"https://ror.org/03q7y2p06","display_name":"Ibaraki Prefectural Central Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210139512"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I4210149859","ror":"https://ror.org/03sc99320","display_name":"Hitachi General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210149859"]},"years":[2015]},{"institution":{"id":"https://openalex.org/I4405256059","ror":"https://ror.org/03qd78f09","display_name":"Mito Kyodo General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405256059"]},"years":[2021]}],"last_known_institutions":[{"id":"https://openalex.org/I4210096554","ror":"https://ror.org/010bv4c75","display_name":"Tsukuba Memorial Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210096554"]}],"topics":[{"id":"https://openalex.org/T10073","display_name":"Hepatocellular Carcinoma Treatment and Prognosis","count":13,"subfield":{"id":"https://openalex.org/subfields/2721","display_name":"Hepatology"},"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/T12622","display_name":"Neurosurgical Procedures and Complications","count":10,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T10378","display_name":"Advanced MRI Techniques and Applications","count":9,"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/T11402","display_name":"Vascular Malformations Diagnosis and Treatment","count":8,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T11067","display_name":"Colorectal Cancer Treatments and Studies","count":7,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/T13323","display_name":"Spinal Hematomas and Complications","value":0.0001088,"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/T12747","display_name":"Moyamoya disease diagnosis and treatment","value":9.12e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T11402","display_name":"Vascular Malformations Diagnosis and Treatment","value":6.6e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T13648","display_name":"Cerebrovascular and genetic disorders","value":6.6e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T12622","display_name":"Neurosurgical Procedures and Complications","value":5.92e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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":0.9787402153015137},{"id":"143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","score":0.7821521759033203},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.682699978351593},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6420332193374634},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6075000166893005}],"counts_by_year":[{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":3,"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":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":10},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2015,"works_count":2,"oa_works_count":0,"cited_by_count":30},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2019,"works_count":2,"oa_works_count":1,"cited_by_count":25},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":31},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":29},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":26},{"year":2023,"works_count":3,"oa_works_count":3,"cited_by_count":28},{"year":2024,"works_count":5,"oa_works_count":5,"cited_by_count":42},{"year":2025,"works_count":6,"oa_works_count":6,"cited_by_count":38},{"year":2026,"works_count":9,"oa_works_count":9,"cited_by_count":64}],"display_name_alternatives":["N. Takahashi","Nobuyuki Takahashi"],"block_key":"n takahashi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5101522175","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5101522175","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
