{"id":"https://openalex.org/A5111453072","orcid":null,"observed_orcids":[],"display_name":"Michitoshi Ohta","raw_author_names":["M. Ohta","Michitoshi OHTA","Michitoshi Ohta"],"full_name":"Michitoshi Ohta","works_count":13,"cited_by_count":101,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":6},"ids":{"openalex":"https://openalex.org/A5111453072","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210088742","ror":"https://ror.org/009z2z347","display_name":"Kowa (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210088742"]},"years":[1964,1963,1957,1955]},{"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":[1963]},{"institution":{"id":"https://openalex.org/I74801974","ror":"https://ror.org/057zh3y96","display_name":"The University of Tokyo","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]},"years":[1954,1951]}],"last_known_institutions":[{"id":"https://openalex.org/I4210088742","ror":"https://ror.org/009z2z347","display_name":"Kowa (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I4210088742"]}],"topics":[{"id":"https://openalex.org/T12530","display_name":"Bioactive Natural Diterpenoids Research","count":8,"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/T13221","display_name":"Biological Activity of Diterpenoids and Biflavonoids","count":8,"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/T12748","display_name":"Molecular spectroscopy and chirality","count":4,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/T13649","display_name":"Advanced Synthetic Organic Chemistry","count":4,"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/T11385","display_name":"Natural product bioactivities and synthesis","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"}}],"topic_share":[{"id":"https://openalex.org/T13221","display_name":"Biological Activity of Diterpenoids and Biflavonoids","value":0.0001357,"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/T12530","display_name":"Bioactive Natural Diterpenoids Research","value":0.000103,"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/T12527","display_name":"Chemistry and Stereochemistry Studies","value":3.23e-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/T11385","display_name":"Natural product bioactivities and synthesis","value":2.83e-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/T12748","display_name":"Molecular spectroscopy and chirality","value":2.3e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9709117412567139},{"id":"71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","score":0.7214705944061279},{"id":"155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","score":0.5299704074859619},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.5284103155136108},{"id":"19629724","wikidata":"https://www.wikidata.org/wiki/Q424263","display_name":"Resin acid","score":0.4020497798919678}],"counts_by_year":[{"year":1951,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1954,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1955,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1956,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1957,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":1963,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1964,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["M. Ohta","Michitoshi OHTA","Michitoshi Ohta"],"block_key":"m ohta","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111453072","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}
