Azuma Watanabe

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Angolamycin derivatives
- Patent number 5,091,370
- Issue date Feb 25, 1992
- Sanraku Incorporated
- Takeo Yoshioka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-(disubstituted amino)carbapenem compounds
- Patent number 4,996,314
- Issue date Feb 26, 1991
- Sanraku Incorporated
- Takeo Yoshioka
- C07 - ORGANIC CHEMISTRY
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
6-(disubstituted amino)carbapenam compounds
- Patent number 4,812,563
- Issue date Mar 14, 1989
- Sanraku Incorporated
- Takeo Yoshioka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-(CHFCH.sub.3)-azetidinone intermediates
- Patent number 4,778,883
- Issue date Oct 18, 1988
- Sanraku Incorporated
- Takeo Yoshioka
- C07 - ORGANIC CHEMISTRY