Akihiko Sumi

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Ashiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Di-L-cysteine L-malate and process for the production thereof
- Patent number 4,438,044
- Issue date Mar 20, 1984
- Tanabe Seiyaku Co., Ltd.
- Ichiro Chibata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystalline salt of basic L-amino acid with L-malic acid and proces...
- Patent number 4,420,432
- Issue date Dec 13, 1983
- Tanabe Seiyaku Co., Ltd.
- Ichiro Chibata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of preparing monopotassium L-malate and its monohydrate
- Patent number 4,124,636
- Issue date Nov 7, 1978
- Tanabe Seiyaku Co., Ltd.
- Ichiro Chibata
- C07 - ORGANIC CHEMISTRY