Inventor · disambiguated record
Mitsuko Asai
Also filed as: ASAI MITSUKO · HASEGAWA TORU · HIGASHIDE EIJI
26 granted patents·4,422 citations·filing 1976–1989
97Inventor score
Top patents by PatentIndex Score
26 records- 0199US4294757A20-O-AcylmaytansinoidsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Oct 13, 1981·753 cites·37 claims
- 0298US4364866AMaytansinoidsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Dec 21, 1982·747 cites·20 claims
- 0398US4361650AFermentation process of preparing demethyl maytansinoidsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted Nov 30, 1982·755 cites·8 claims
- 0498US4322348AMaytansinoidsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Mar 30, 1982·779 cites·5 claims
- 0598US4307016ADemethyl maytansinoidsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Dec 22, 1981·751 cites·53 claims
- 0698US4151042AMethod for producing maytansinol and its derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1977·Granted Apr 24, 1979·481 cites·5 claims
- 0793US4162940AMethod for producing Antibiotic C-15003 by culturing nocardiaTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1977·Granted Jul 31, 1979·33 cites·2 claims
- 0887US4360462AProcess for preparing maytansinolTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted Nov 23, 1982·19 cites·3 claims
- 0984US4225494AMaytansinol estersTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Sep 30, 1980·16 cites·4 claims
- 1079US4228239AMethod for producing antibiotic C-15003 P-3TAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Oct 14, 1980·16 cites·3 claims
- 1177US4320200AAntibioticTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Mar 16, 1982·10 cites·1 claims
- 1271US4229436AAntibiotic G-6302TAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Oct 21, 1980·11 cites·3 claims
- 1368US4187292AAntibiotics produced from the microorganism nocardiceTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1977·Granted Feb 5, 1980·9 cites·2 claims
- 1464US4108724AMethod for preparing antibiotic P-2563 using Pseudomonas fluorescensTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1976·Granted Aug 22, 1978·8 cites·5 claims
- 1560US4245047AAntibiotics produced from the microorganism nocardiaTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1979·Granted Jan 13, 1981·6 cites·2 claims
- 1659US4518529AAntibiotics C-19393S2TAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted May 21, 1985·6 cites·1 claims
- 1754US4521432APhysiologically active substance FA-5859, its derivative, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1982·Granted Jun 4, 1985·5 cites·4 claims
- 1851US4315989ABiologically pure culture of the microorganism Nocardia ATCC31280TAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Feb 16, 1982·3 cites·1 claims
- 1946US4189472AAntibiotic C-11924 F-1TAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Feb 19, 1980·3 cites·2 claims
- 2044US4292309AAntibiotics C-14482 B1, B2 and B3TAKEDA CHEMICAL INDUSTRIES LTD·Filed 1980·Granted Sep 29, 1981·3 cites·5 claims
- 2142US4409147ACarbapenem compounds and their productionTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted Oct 11, 1983·1 cites·2 claims
- 2240US4298600AAntibiotic C-14482 A1 and method for producing sameTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1978·Granted Nov 3, 1981·2 cites·2 claims
- 2339US4497742AIsomerization of β-lactam compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1982·Granted Feb 5, 1985·1 cites·3 claims
- 2435US4948534ADerivatives of β-amino-γ-trimethylammonio-butyrate and their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted Aug 14, 1990·1 cites·21 claims
- 2535US4373028ACulture of Nocardia ATCC 31309TAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted Feb 8, 1983·1 cites·1 claims
- 2635US4229533AMethod for producing antibiotic C-15003 P-4TAKECA CHEMICAL IND LTD·Filed 1978·Granted Oct 21, 1980·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →