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Chizu Kawakami
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Tsukuba, JP
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last 30 patents
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Patent Grant
Optically active benzene derivatives, process for producing the sam...
Patent number
5,693,251
Issue date
Dec 2, 1997
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active benzene derivatives, process for producing the sam...
Patent number
5,389,293
Issue date
Feb 14, 1995
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active ester derivatives, preparation process thereof, li...
Patent number
5,385,693
Issue date
Jan 31, 1995
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active ester derivatives, preparation process thereof, li...
Patent number
5,264,151
Issue date
Nov 23, 1993
Sumitomo Chemical Company, Limited
Takayuki Higashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active ester derivatives, preparation process thereof, li...
Patent number
5,124,070
Issue date
Jun 23, 1992
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY