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Takaharu Ikeda
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Osaka, JP
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last 30 patents
Information
Patent Grant
Process for preparing haloketo acid derivatives
Patent number
5,268,501
Issue date
Dec 7, 1993
Sumitomo Chemical Company, Limited
Takaharu Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing haloketo acid derivatives
Patent number
5,202,467
Issue date
Apr 13, 1993
Sumitomo Chemical Company, Limited
Takaharu Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing optically active cyclopentenones
Patent number
5,191,109
Issue date
Mar 2, 1993
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active alcohol
Patent number
5,144,039
Issue date
Sep 1, 1992
Sumitomo Electric Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing an optically active .alpha.-isopropyl-p-chlor...
Patent number
4,983,758
Issue date
Jan 8, 1991
Sumitomo Chemical Company, Limited
Yoshiaki Oda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Triazole compounds, and their production
Patent number
4,904,793
Issue date
Feb 27, 1990
Sumitomo Chemical Company, Limited
Takaharu Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing E-isomer of triazolyl styryl ketone derivative
Patent number
4,814,460
Issue date
Mar 21, 1989
Sumitomo Chemical Company, Limited
Takaharu Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing E-isomer of a triazolyl styryl ketone derivative
Patent number
4,814,461
Issue date
Mar 21, 1989
Sumitomo Chemical Company, Limited
Takaharu Ikeda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of optically active cis-1,3-dibenzyl-hexahydro-1H-furo[...
Patent number
4,544,635
Issue date
Oct 1, 1985
Sumitomo Chemical Co., Ltd.
Naohito Ohashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Intermediates to optically active cis-1,3-dibenzyl-hexahydro-1H-fur...
Patent number
4,496,739
Issue date
Jan 29, 1985
Sumitomo Chemical Company, Limited
Naohito Ohashi
C07 - ORGANIC CHEMISTRY