{"id":"https://openalex.org/A5111544971","orcid":null,"observed_orcids":[],"display_name":"H. Kaji","raw_author_names":["H Kaji","H. Kaji"],"full_name":"Hiroki Kaji","works_count":16,"cited_by_count":66,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5111544971","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I22299242","ror":"https://ror.org/02kpeqv85","display_name":"Kyoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]},"years":[1999,1998,1997,1995,1994,1992]}],"last_known_institutions":[{"id":"https://openalex.org/I22299242","ror":"https://ror.org/02kpeqv85","display_name":"Kyoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I22299242"]}],"topics":[{"id":"https://openalex.org/T10839","display_name":"Pancreatic function and diabetes","count":12,"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/T12264","display_name":"Tissue Engineering and Regenerative Medicine","count":8,"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/T12654","display_name":"Xenotransplantation and immune response","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/T11189","display_name":"Transplantation: Methods and Outcomes","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"}},{"id":"https://openalex.org/T10343","display_name":"Hydrogels: synthesis, properties, applications","count":3,"subfield":{"id":"https://openalex.org/subfields/1313","display_name":"Molecular Medicine"},"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"}}],"topic_share":[{"id":"https://openalex.org/T12654","display_name":"Xenotransplantation and immune response","value":0.0002272,"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/T10839","display_name":"Pancreatic function and diabetes","value":3.94e-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/T12264","display_name":"Tissue Engineering and Regenerative Medicine","value":2.83e-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/T12900","display_name":"Organ and Tissue Transplantation Research","value":2.8e-05,"subfield":{"id":"https://openalex.org/subfields/2747","display_name":"Transplantation"},"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/T11171","display_name":"Diabetes and associated disorders","value":1.83e-05,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.8124090433120728},{"id":"2911091166","wikidata":"https://www.wikidata.org/wiki/Q106419912","display_name":"Transplantation","score":0.5579172968864441},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.5135595798492432},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.4935110807418823},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.4146217703819275}],"counts_by_year":[{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["H Kaji","H. Kaji"],"block_key":"h kaji","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111544971","updated_date":"2026-10-28T12:34:19","created_date":"2016-06-24T00:00:00"}