{"id":"https://openalex.org/A5110181302","orcid":null,"observed_orcids":[],"display_name":"M. Takayama","raw_author_names":["M Takayama","M. TAKAYAMA","M. Takayama","Masami TAKAYAMA","Masami Takayama","Takayama, M."],"full_name":"Masami TAKAYAMA","works_count":47,"cited_by_count":1272,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":11,"i10_index":15},"ids":{"openalex":"https://openalex.org/A5110181302","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I109009565","ror":"https://ror.org/01vj3cz23","display_name":"Dokkyo University","country_code":"JP","type":"education","lineage":["https://openalex.org/I109009565"]},"years":[2008]},{"institution":{"id":"https://openalex.org/I195444995","ror":"https://ror.org/01rwx7470","display_name":"Aichi Gakuin University","country_code":"JP","type":"education","lineage":["https://openalex.org/I195444995"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I203021718","ror":"https://ror.org/041bf1s37","display_name":"Kanto Gakuin University","country_code":"JP","type":"education","lineage":["https://openalex.org/I203021718"]},"years":[2002]},{"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":[2005,1997,1994,1990,1989,1973]},{"institution":{"id":"https://openalex.org/I317356780","ror":"https://ror.org/02skfsw40","display_name":"Osaka City University","country_code":"JP","type":"education","lineage":["https://openalex.org/I317356780","https://openalex.org/I4387152983"]},"years":[1999,1998,1997,1995]},{"institution":{"id":"https://openalex.org/I4210118477","ror":"https://ror.org/01v3bqg10","display_name":"Shionogi (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210118477"]},"years":[2008,2004]},{"institution":{"id":"https://openalex.org/I4210166029","ror":"https://ror.org/05mxean80","display_name":"Osaka City University Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210166029"]},"years":[1999]},{"institution":{"id":"https://openalex.org/I4405285765","ror":"https://ror.org/006xm6j14","display_name":"Joining and Welding Research Institute, The University of Osaka","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405285765","https://openalex.org/I98285908"]},"years":[2002]},{"institution":{"id":"https://openalex.org/I78274823","ror":"https://ror.org/05k27ay38","display_name":"Dokkyo Medical University","country_code":"JP","type":"education","lineage":["https://openalex.org/I78274823"]},"years":[2010,2008]},{"institution":{"id":"https://openalex.org/I922474255","ror":"https://ror.org/044vy1d05","display_name":"Tokushima University","country_code":"JP","type":"education","lineage":["https://openalex.org/I922474255"]},"years":[1998]},{"institution":{"id":"https://openalex.org/I96036126","ror":"https://ror.org/02cgss904","display_name":"Kumamoto University","country_code":"JP","type":"education","lineage":["https://openalex.org/I96036126"]},"years":[2005]},{"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]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10432","display_name":"DNA and Nucleic Acid Chemistry","count":10,"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/T10334","display_name":"Hearing, Cochlea, Tinnitus, Genetics","count":7,"subfield":{"id":"https://openalex.org/subfields/2809","display_name":"Sensory Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10464","display_name":"Crystal structures of chemical compounds","count":7,"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"}},{"id":"https://openalex.org/T10798","display_name":"Crystallography and molecular interactions","count":7,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical 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/T10542","display_name":"Vestibular and auditory disorders","count":6,"subfield":{"id":"https://openalex.org/subfields/2808","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13105","display_name":"Synthesis and pharmacology of benzodiazepine derivatives","value":8.68e-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/T10701","display_name":"Radical Photochemical Reactions","value":3.79e-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/T11708","display_name":"Photochromic and Fluorescence Chemistry","value":3.55e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13489","display_name":"Synthesis of \u03b2-Lactam Compounds","value":3.44e-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/T10432","display_name":"DNA and Nucleic Acid Chemistry","value":3.27e-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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9845160841941833},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.6690561771392822},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.5608077645301819},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.34617167711257935},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.32154032588005066}],"counts_by_year":[{"year":1966,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"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":3,"oa_works_count":3,"cited_by_count":0},{"year":2012,"works_count":3,"oa_works_count":3,"cited_by_count":53},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":46},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":32},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":31},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":28},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":32},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":27},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":5}],"display_name_alternatives":["M Takayama","M. TAKAYAMA","M. Takayama","Masami TAKAYAMA","Masami Takayama","Takayama, M."],"block_key":"m takayama","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110181302","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}