Kenzi Takuma

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing benzyl bromide derivatives
- Patent number 5,962,723
- Issue date Oct 5, 1999
- Sumitomo Chemical Company, Limited
- Kenzi Takuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing a mixture of stereoisomers of .alpha.-cyano-3-...
- Patent number 4,733,001
- Issue date Mar 22, 1988
- Sumitomo Chemical Company, Limited
- Yukio Suzuki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystal of enantiomer pair of phenylacetic acid ester derivative an...
- Patent number 4,432,908
- Issue date Feb 21, 1984
- Sumitomo Chemical Company, Limited
- Yukio Suzuki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing optically active carboxylic acid esters
- Patent number 4,422,978
- Issue date Dec 27, 1983
- Sumitomo Chemical Company, Limited
- Yukio Suzuki
- C07 - ORGANIC CHEMISTRY