{"id":"https://openalex.org/A5111422786","orcid":null,"observed_orcids":[],"display_name":"Hisashi Tajima","raw_author_names":["H. TAJIMA","Hisashi TAJIMA","Hisashi Tajima","Tajima, H."],"full_name":"Hisashi TAJIMA","works_count":15,"cited_by_count":373,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":9,"i10_index":9},"ids":{"openalex":"https://openalex.org/A5111422786","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I149737975","ror":"https://ror.org/032msy923","display_name":"Santen (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I149737975"]},"years":[2014,2010,2008,2007,2000,1999]},{"institution":{"id":"https://openalex.org/I4210128743","ror":"https://ror.org/038kcjb09","display_name":"Santen (United Kingdom)","country_code":"GB","type":"company","lineage":["https://openalex.org/I149737975","https://openalex.org/I4210128743"]},"years":[2007]},{"institution":{"id":"https://openalex.org/I4405283614","ror":"https://ror.org/01zna6t55","display_name":"UCL School of Pharmacy","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I4405283614","https://openalex.org/I45129253"]},"years":[2016,2014]},{"institution":{"id":"https://openalex.org/I45129253","ror":"https://ror.org/02jx3x895","display_name":"University College London","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]},"years":[2016,2014]},{"institution":{"id":"https://openalex.org/I75917431","ror":"https://ror.org/05bhada84","display_name":"Nara Institute of Science and Technology","country_code":"JP","type":"education","lineage":["https://openalex.org/I75917431"]},"years":[2010]},{"institution":{"id":"https://openalex.org/I98285908","ror":"https://ror.org/035t8zc32","display_name":"The University of Osaka","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]},"years":[1997,1996]}],"last_known_institutions":[{"id":"https://openalex.org/I4405283614","ror":"https://ror.org/01zna6t55","display_name":"UCL School of Pharmacy","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I4405283614","https://openalex.org/I45129253"]},{"id":"https://openalex.org/I45129253","ror":"https://ror.org/02jx3x895","display_name":"University College London","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I45129253"]}],"topics":[{"id":"https://openalex.org/T10274","display_name":"Heterocyclic Compound Synthesis and Bioactivity","count":6,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10252","display_name":"Microbial Natural Products and Biosynthesis","count":4,"subfield":{"id":"https://openalex.org/subfields/2402","display_name":"Applied Microbiology and Biotechnology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11340","display_name":"Marine Sponges and Natural Products","count":4,"subfield":{"id":"https://openalex.org/subfields/1305","display_name":"Biotechnology"},"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/T10422","display_name":"Angiogenesis and VEGF in Cancer","count":3,"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/T10464","display_name":"Crystal structures of chemical compounds","count":2,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13047","display_name":"Pharmacological Receptor Mechanisms and Effects","value":0.0001232,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11332","display_name":"Genomics, phytochemicals, and oxidative stress","value":3.43e-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/T13971","display_name":"Isoquinoline Alkaloid Synthesis","value":3.37e-05,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11340","display_name":"Marine Sponges and Natural Products","value":3.1e-05,"subfield":{"id":"https://openalex.org/subfields/1305","display_name":"Biotechnology"},"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/T11390","display_name":"Seaweed-derived Bioactive Compounds","value":1.97e-05,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9125861525535583},{"id":"71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","score":0.6787365674972534},{"id":"98274493","wikidata":"https://www.wikidata.org/wiki/Q128406","display_name":"Pharmacology","score":0.6561973094940186},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.37349146604537964},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.22940081357955933}],"counts_by_year":[{"year":1996,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"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":2,"oa_works_count":0,"cited_by_count":16},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":16},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":20},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":14},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":3}],"display_name_alternatives":["H. TAJIMA","Hisashi TAJIMA","Hisashi Tajima","Tajima, H."],"block_key":"h tajima","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111422786","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}