Kohki Kiyoshima

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Fujisawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Tylosin derivatives and processes for producing the same
- Patent number 4,933,439
- Issue date Jun 12, 1990
- Sanraku Incorporated
- Takeo Yoshioka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of macrolide antibiotics
- Patent number 4,463,171
- Issue date Jul 31, 1984
- Sanraku-Ocean Co., Ltd.
- Hamao Umezawa
- C07 - ORGANIC CHEMISTRY