{"id":"https://openalex.org/A5110191263","orcid":null,"observed_orcids":[],"display_name":"Kazuo Motoyama","raw_author_names":["Kazuo MOTOYAMA","Kazuo Motoyama"],"full_name":"Kazuo MOTOYAMA","works_count":23,"cited_by_count":511,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5110191263","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I125602781","ror":"https://ror.org/051k3eh31","display_name":"Tokyo Medical and Dental University","country_code":"JP","type":"education","lineage":["https://openalex.org/I125602781","https://openalex.org/I4400009020"]},"years":[2013,2012,2008]},{"institution":{"id":"https://openalex.org/I135598925","ror":"https://ror.org/00p4k0j84","display_name":"Kyushu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I2800686964","ror":"https://ror.org/037zgz558","display_name":"Vavuniya General Hospital","country_code":"LK","type":"healthcare","lineage":["https://openalex.org/I2800686964"]},"years":[2014]},{"institution":{"id":"https://openalex.org/I4210130963","ror":"https://ror.org/039n45t76","display_name":"Nitobe Memorial Nakano General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210130963"]},"years":[2012,2011]},{"institution":{"id":"https://openalex.org/I4210135094","ror":"https://ror.org/037p13728","display_name":"Tohoku Rosai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210135094"]},"years":[2024]},{"institution":{"id":"https://openalex.org/I4210158815","ror":"https://ror.org/05m5pvn27","display_name":"Mthatha General Hospital","country_code":"ZA","type":"healthcare","lineage":["https://openalex.org/I4210158815"]},"years":[2014]},{"institution":{"id":"https://openalex.org/I4405256346","ror":"https://ror.org/041pxbv16","display_name":"Ushiku Aiwa General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405256346"]},"years":[2014]},{"institution":{"id":"https://openalex.org/I4405257074","ror":"https://ror.org/04vv8tv34","display_name":"Hasuda Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4405257074"]},"years":[2006,2005]},{"institution":{"id":"https://openalex.org/I4405264796","ror":"https://ror.org/02zmxpe85","display_name":"Medical Institute of Bioregulation, Kyushu University","country_code":"JP","type":"education","lineage":["https://openalex.org/I4405264796"]},"years":[2008]}],"last_known_institutions":[{"id":"https://openalex.org/I4210135094","ror":"https://ror.org/037p13728","display_name":"Tohoku Rosai Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210135094"]}],"topics":[{"id":"https://openalex.org/T10696","display_name":"Gastric Cancer Management and Outcomes","count":11,"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"}},{"id":"https://openalex.org/T12064","display_name":"Intraperitoneal and Appendiceal Malignancies","count":7,"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/T10335","display_name":"Colorectal Cancer Surgical Treatments","count":4,"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"}},{"id":"https://openalex.org/T11067","display_name":"Colorectal Cancer Treatments and Studies","count":4,"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"}},{"id":"https://openalex.org/T12053","display_name":"Minimally Invasive Surgical Techniques","count":4,"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"}}],"topic_share":[{"id":"https://openalex.org/T12064","display_name":"Intraperitoneal and Appendiceal Malignancies","value":4.71e-05,"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/T13962","display_name":"Omental and Epiploic Conditions","value":2.59e-05,"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/T10696","display_name":"Gastric Cancer Management and Outcomes","value":2.39e-05,"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"}},{"id":"https://openalex.org/T12463","display_name":"Amoebic Infections and Treatments","value":2.27e-05,"subfield":{"id":"https://openalex.org/subfields/2725","display_name":"Infectious Diseases"},"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/T11485","display_name":"Gastrointestinal Tumor Research and Treatment","value":1.99e-05,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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":0.9817861318588257},{"id":"121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","score":0.6806167960166931},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.671837329864502},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.67148357629776},{"id":"143998085","wikidata":"https://www.wikidata.org/wiki/Q162555","display_name":"Oncology","score":0.6162165999412537}],"counts_by_year":[{"year":2005,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":2,"cited_by_count":30},{"year":2013,"works_count":5,"oa_works_count":2,"cited_by_count":23},{"year":2014,"works_count":2,"oa_works_count":1,"cited_by_count":55},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":42},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":29},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":36},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":44},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":26},{"year":2021,"works_count":1,"oa_works_count":0,"cited_by_count":21},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":23},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":22},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":18},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":11}],"display_name_alternatives":["Kazuo MOTOYAMA","Kazuo Motoyama"],"block_key":"k motoyama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110191263","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5110191263","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}