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Naoto Konya
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Takatsuki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for producing retinol and intermediate compounds for produc...
Patent number
6,784,321
Issue date
Aug 31, 2004
Sumitomo Chemical Company, Limited
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing retinol and intermediate compounds for produc...
Patent number
6,660,888
Issue date
Dec 9, 2003
Sumitomo Chemical Company, Limited
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing vitamin A aldehyde and intermediate for produ...
Patent number
6,444,857
Issue date
Sep 3, 2002
Sumitomo Chemical Company, Limited
Shinzo Seko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing β-carotene
Patent number
6,355,841
Issue date
Mar 12, 2002
Sumitomo Chemical Company, Limited
Naoto Konya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing lycopene and intermediate thereof
Patent number
6,331,652
Issue date
Dec 18, 2001
Sumitomo Chemical Company, Limited
Naoto Konya
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing retinal and intermediates for producing the same
Patent number
6,288,283
Issue date
Sep 11, 2001
Sumitomo Chemical Company, Ltd.
Shinzo Seko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing retinal and intermediate for producing the same
Patent number
6,211,411
Issue date
Apr 3, 2001
Sumitomo Chemical Company, Limited
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tetraene derivative and process for producing the same
Patent number
6,160,181
Issue date
Dec 12, 2000
Sumitomo Chemical Company, Limited
Shinzo Seko
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenylacetylene compound and liquid crystal composition comprising...
Patent number
6,149,837
Issue date
Nov 21, 2000
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes for preparing optically active alcohols and optically act...
Patent number
6,025,531
Issue date
Feb 15, 2000
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Processes for preparing optically active alcohols and optically act...
Patent number
5,801,280
Issue date
Sep 1, 1998
Sumitomo Chemical Company, Limited
Yukio Yoneyoshi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing optically active amines
Patent number
5,200,561
Issue date
Apr 6, 1993
Sumitomo Chemical Company, Limited
Naoto Konya
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
Patents Applications
last 30 patents
Information
Patent Application
Process for preparation of carotenoids
Publication number
20040204612
Publication date
Oct 14, 2004
Shinzo Seko
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing retinol and intermediate compounds for produc...
Publication number
20040082814
Publication date
Apr 29, 2004
Sumitomo Chemical Company, Limited
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Optically active azetidincarboxamide-coordinated transition metal c...
Publication number
20030120088
Publication date
Jun 26, 2003
Taichi Senda
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for producing retinol and intermediate compounds for produc...
Publication number
20020058844
Publication date
May 16, 2002
Toshiya Takahashi
C07 - ORGANIC CHEMISTRY