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Koichi Fujisawa
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Oral preparation
Patent number
7,166,272
Issue date
Jan 23, 2007
Sunstar Inc.
Koichi Fujisawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dibenzothiophene oxide compound, and process for producing the same
Patent number
7,135,579
Issue date
Nov 14, 2006
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Anisotropic scattering film and liquid crystal display using the same
Patent number
6,908,646
Issue date
Jun 21, 2005
Sumitomo Chemical Company, Limited
Kazunori Akiyoshi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
COMPOUND HAVING PHENYLACETYLENE STRUCTURE, LIQUID CRYSTAL COMPOSITI...
Patent number
6,849,202
Issue date
Feb 1, 2005
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phenylacetylene compound, liquid crystal composition, polymer, opti...
Patent number
6,673,267
Issue date
Jan 6, 2004
Sumitomo Chemical Company, Limited
Chizu Sekine
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Phenylacetylene compound, liquid crystal composition, and liquid cr...
Patent number
6,623,810
Issue date
Sep 23, 2003
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Light scattering resin layer, color filter and liquid crystal displ...
Patent number
6,416,910
Issue date
Jul 9, 2002
Sumitomo Chemical Company, Limited
Kiyotoshi Iimura
G02 - OPTICS
Information
Patent Grant
Optically anisotropic film, method of manufacturing the same, and l...
Patent number
6,294,231
Issue date
Sep 25, 2001
Sumitomo Chemical Company, Limited
Masato Kuwabara
G02 - OPTICS
Information
Patent Grant
Liquid crystal, liquid crystal mixture having Tau-V min mode drivin...
Patent number
6,246,452
Issue date
Jun 12, 2001
Sumitomo Chemical Company, Limited
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Optical plate having reflecting function and transmitting function
Patent number
6,199,989
Issue date
Mar 13, 2001
Sumitomo Chemical Company, Limited
Yasuteru Maeda
G02 - OPTICS
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
Trans-olefin compounds, method for production thereof, liquid cryst...
Patent number
6,030,546
Issue date
Feb 29, 2000
Sumitomo Chemical Company, Limited
Yukari Fujimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystal mixture and liquid crystal device comprising the same
Patent number
5,866,035
Issue date
Feb 2, 1999
Sumitomo Chemical Company, Limited
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Fluorine-containing optically active compound, process for preparin...
Patent number
5,779,934
Issue date
Jul 14, 1998
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid crystal mixture and liquid crystal device comprising the same
Patent number
5,762,825
Issue date
Jun 9, 1998
Sumitomo Chemical Company, Limited
Yoshiaki Tsubata
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Alcohol reactants for forming phenylpyrimidine derivatives and proc...
Patent number
5,723,610
Issue date
Mar 3, 1998
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Trans-olefin compounds, method for production thereof, liquid cryst...
Patent number
5,707,547
Issue date
Jan 13, 1998
Sumitomo Chemical Company, Limited
Yukari Fujimoto
C07 - ORGANIC CHEMISTRY
Information
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
Compound having unsaturated side chain, process for preparing the s...
Patent number
5,662,828
Issue date
Sep 2, 1997
Sumitomo Chemical Company, Limited
Yoshiaki Tsubata
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compound having unsaturated side chain, process for preparing the s...
Patent number
5,554,317
Issue date
Sep 10, 1996
Sumitomo Chemical Company, Limited
Yoshiaki Tsubata
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid crystal mixture and liquid crystal element comprsing the same
Patent number
5,545,345
Issue date
Aug 13, 1996
Sumitomo Chemical Company, Limited
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phenylpyrimidine derivatives, process for preparing the same, liqui...
Patent number
5,539,115
Issue date
Jul 23, 1996
Sumitomo Chemical Company, Limited
Takayuki Higashii
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acetylene derivatives, process for producing the same, liquid cryst...
Patent number
5,534,188
Issue date
Jul 9, 1996
Sumitomo Chemical Company, Limited
Masayoshi Minai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optically active naphthalene derivative, process for preparation th...
Patent number
5,422,038
Issue date
Jun 6, 1995
Sumitomo Chemical Company, Limited
Shoji Toda
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 aromatic compounds, preparation process therefor,...
Patent number
5,374,376
Issue date
Dec 20, 1994
Sumitomo Chemical Company, Limited
Takayuki Higashii
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Optically active pyrimidine compound, process for producing the sam...
Patent number
5,326,871
Issue date
Jul 5, 1994
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 aromatic compounds, preparation process thereof, a...
Patent number
5,238,598
Issue date
Aug 24, 1993
Sumitomo Chemical Company, Limited
Isao Kurimoto
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
DIBENZOTHIOPHENE OXIDE COMPOUND, AND PROCESS FOR PRODUCING THE SAME
Publication number
20080139824
Publication date
Jun 12, 2008
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND HAVING PHENYLACETYLENE STRUCTURE, LIQUID CRYSTAL COMPOSITI...
Publication number
20070057229
Publication date
Mar 15, 2007
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Compound having phenylacetylene structure, liquid crystal compositi...
Publication number
20040232384
Publication date
Nov 25, 2004
Sumitomo Chemical Company, Limited
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Anisotropic scattering film and liquid crystal display using the same
Publication number
20030175446
Publication date
Sep 18, 2003
Sumitomo Chemical Company, Limited
Kazunori Akiyoshi
G02 - OPTICS
Information
Patent Application
Compound having phenylacetylene structure, liquid crystal compositi...
Publication number
20020110650
Publication date
Aug 15, 2002
Chizu Sekine
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Anisotropic scattering film and liquid crystal display
Publication number
20020089620
Publication date
Jul 11, 2002
Kyoko Yamamoto
G02 - OPTICS
Information
Patent Application
Phenylacetylene compound, liquid crystal composition, polymer, opti...
Publication number
20020006479
Publication date
Jan 17, 2002
Chizu Sekine
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Phenylacetylene compound, liquid crystal composition, and liquid cr...
Publication number
20010050353
Publication date
Dec 13, 2001
Chizu Sekine
C07 - ORGANIC CHEMISTRY