Inventor

Mitsuko Asai

Inventor

Takatsuki, JP

Overview

26→

Patents

1978–1990

Patent span

Chemistry

Primary field (CPC C)

Patents· 26 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C12Pprimary

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture23%

C12NMicroorganisms or enzymes18%

C12RIndexing scheme associated with subclasses c12c - c12q, relating to microorganisms18%

C07DHeterocyclic compounds15%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%

C07CAcyclic or carbocyclic compounds2%

C07GCompounds of unknown constitution1%

C07HSugars1%

PatentTitleYear

4,948,534'Derivatives of .beta.-amino-.gamma.-trimethylammonio-butyrate and their production and use'1990 4,521,432'Physiologically active substance FA-5859, its derivative, their production and use'1985 4,518,529'Antibiotics C-19393S.sub.2'1985 4,497,742'Isomerization of .beta.-lactam compounds'1985 4,409,147'Carbapenem compounds and their production'1983 4,373,028'Culture of Nocardia ATCC 31309'1983 4,364,866'Maytansinoids'1982 4,361,650'Fermentation process of preparing demethyl maytansinoids'1982 4,360,462'Process for preparing maytansinol'1982 4,322,348'Maytansinoids'1982 4,320,200'Antibiotic'1982 4,315,989'Biologically pure culture of the microorganism Nocardia ATCC31280'1982 4,307,016'Demethyl maytansinoids'1981 4,298,600'Antibiotic C-14482 A.sub.1 and method for producing same'1981 4,294,757'20-O-Acylmaytansinoids'1981 4,292,309'Antibiotics C-14482 B.sub.1, B.sub.2 and B.sub.3'1981 4,245,047'Antibiotics produced from the microorganism nocardia'1981 4,229,436'Antibiotic G-6302'1980 4,229,533'Method for producing antibiotic C-15003 P-4'1980 4,228,239'Method for producing antibiotic C-15003 P-3'1980 4,225,494'Maytansinol esters'1980 4,189,472'Antibiotic C-11924 F-1'1980 4,187,292'Antibiotics produced from the microorganism nocardice'1980 4,162,940'Method for producing Antibiotic C-15003 by culturing nocardia'1979 4,151,042'Method for producing maytansinol and its derivatives'1979 4,108,724'Method for preparing antibiotic P-2563 using Pseudomonas fluorescens'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1990Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (25)· patent assignee history

1978–1985Based in Takatsuki, JP· patent location history

1980Patents assigned to TAKECA CHEMICAL IND LTD (1)· patent assignee history

1980–1990Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TAKEDA CHEMICAL INDUSTRIES LTD	25	1978–1990
TAKECA CHEMICAL IND LTD	1	1980

Locations

Location	Patents	Span
Takatsuki, JP	18	1978–1985
Osaka, JP	8	1980–1990