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Koichi Matsumura
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Ibaraki, JP
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last 30 patents
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Patent Grant
Halopropiolamide compound, production and use thereof
Patent number
5,538,998
Issue date
Jul 23, 1996
Takeda Chemical Industries, Ltd.
Yoshihiro Sugihara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compounds, liquid crystal compositions comprising...
Patent number
5,370,821
Issue date
Dec 6, 1994
Takeda Chemical Industries, Ltd.
Koichi Matsumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compounds, liquid crystal composition containing s...
Patent number
5,328,643
Issue date
Jul 12, 1994
Takeda Chemical Industries, Ltd.
Yuka Sudo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compounds, liquid crystal compositions comprising...
Patent number
5,269,965
Issue date
Dec 14, 1993
Takeda Chemical Industries
Koichi Matsumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compound, liquid crystal composition containing sa...
Patent number
5,167,863
Issue date
Dec 1, 1992
Hitachi, Ltd.
Teruo Kitamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active compounds, liquid crystal compositions comprising...
Patent number
5,152,919
Issue date
Oct 6, 1992
Hitachi, Ltd.
Teruo Kitamura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Pharmaceutical composition for preventing and treating thrombosis
Patent number
5,095,034
Issue date
Mar 10, 1992
Takeda Chemical Industries, Ltd.
Koichi Kato
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Saccharoascorbic acid derivatives and production thereof
Patent number
5,043,459
Issue date
Aug 27, 1991
Takeda Chemical Industries, Ltd.
Koichi Matsumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
D-glucosaccharoascorbic acid
Patent number
4,959,483
Issue date
Sep 25, 1990
Takeda Chemical Industries, Ltd.
Koichi Matsumura
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Deodorant composition
Patent number
4,837,020
Issue date
Jun 6, 1989
Takeda Chemical Industries, Ltd.
Noritoshi Mise
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing ketals of 2-ketogulonic acid or its esters
Patent number
4,659,808
Issue date
Apr 21, 1987
Takeda Chemical Industries, Ltd.
Koichi Matsumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of sugar ketals
Patent number
4,659,809
Issue date
Apr 21, 1987
Takeda Chemical Industries, Ltd.
Koichi Matsumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of sugar ketals
Patent number
4,464,530
Issue date
Aug 7, 1984
Takeda Chemical Industries, Ltd.
Koichi Matsumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for production of sugar ketals
Patent number
4,460,767
Issue date
Jul 17, 1984
Takeda Chemical Industries, Ltd.
Koichi Matsumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Uracil derivatives and production thereof
Patent number
4,329,460
Issue date
May 11, 1982
Takeda Chemical Industries, Ltd.
Osamu Miyashita
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
1,2-Di-Substituted-4-haloimidazole-5-acetic acid derivatives and th...
Patent number
4,207,324
Issue date
Jun 10, 1980
Takeda Chemical Industries, Ltd.
Koichi Matsumura
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Uracil derivatives and production thereof
Patent number
4,190,656
Issue date
Feb 26, 1980
Takeda Chemical Industries, Ltd.
Koichi Matsumura
C07 - ORGANIC CHEMISTRY