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Ohtsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Polyimide precursor composition and use thereof
Patent number
9,267,004
Issue date
Feb 23, 2016
Kaneka Corporation
Koji Okada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Thermosetting resin composition, multilayer body using same, and ci...
Patent number
8,501,874
Issue date
Aug 6, 2013
Kaneka Corporation
Shigeru Tanaka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Clear and flame retardant polycarbonate resin film
Patent number
8,426,015
Issue date
Apr 23, 2013
Styron Europe GmbH
Kazushi Horisawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phosphazene compound, photosensitive resin composition and use thereof
Patent number
8,063,245
Issue date
Nov 22, 2011
Kaneka Corporation
Koji Okada
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flame retardant and light diffusing polycarbonate resin composition...
Patent number
7,960,450
Issue date
Jun 14, 2011
Styron Europe GmbH
Akihito Kawagoshi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermosetting resin composition, multilayer body using same, and ci...
Patent number
7,521,511
Issue date
Apr 21, 2009
Kaneka Corporation
Shigeru Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Diamine, acid dianhydride, and reactive group containing polyimide...
Patent number
7,396,898
Issue date
Jul 8, 2008
Kaneka Corporation
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide precursor, manufacturing method thereof, and resin compos...
Patent number
7,189,488
Issue date
Mar 13, 2007
Kaneka Corporation
Toshio Yamanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive resin composition and photosensitive films and lamin...
Patent number
7,141,614
Issue date
Nov 28, 2006
Kaneka Corporation
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Diamine novel acid dianhydride and novel polyimide composition form...
Patent number
7,019,104
Issue date
Mar 28, 2006
Kaneka Corporation
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polyimide resin
Patent number
6,790,930
Issue date
Sep 14, 2004
Kaneka Corporation
Takeshi Kikuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Acid anhydrides
Patent number
6,642,393
Issue date
Nov 4, 2003
Kaneka Corporation
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Epoxy-modified polyimide, photosensitive composition, coverlay film...
Patent number
6,605,353
Issue date
Aug 12, 2003
Kaneka Corporation
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyimide compositions and novel acid dianhydrides to be used therein
Patent number
6,350,845
Issue date
Feb 26, 2002
Kaneka Corporation
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of aldol condensation by gas-phase reaction
Patent number
5,334,770
Issue date
Aug 2, 1994
Sumitomo Chemical Company, Limited
Hiroshi Ueda
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide resin film and method of making said film
Patent number
5,300,619
Issue date
Apr 5, 1994
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Koji Okada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Tetracarboxylic acid dianhydrides
Patent number
5,122,617
Issue date
Jun 16, 1992
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Koji Okada
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
NOVEL POLYIMIDE PRECURSOR COMPOSITION AND USE THEREOF
Publication number
20110083884
Publication date
Apr 14, 2011
KANEKA CORPORATION
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PHOTOSENSITIVE DRY FILM RESIST, PRINTED WIRING BOARD MAKING USE OF...
Publication number
20100218984
Publication date
Sep 2, 2010
Toshio Yamanaka
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Light Diffusing Thermoplastic Resin Composition and Light Diffusion...
Publication number
20100148136
Publication date
Jun 17, 2010
Akihito Kawagoshi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CLEAR AND FLAME RETARDANT POLYCARBONATE RESIN FILM
Publication number
20100151221
Publication date
Jun 17, 2010
Kuzushi Horisawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Flame Retardant Polycarbonate Resin Composition
Publication number
20100144939
Publication date
Jun 10, 2010
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Flame retardant and light diffusing polycarbonate resin composition...
Publication number
20090326120
Publication date
Dec 31, 2009
SUMITOMO DOW LIMITED
Akihito Kawagoshi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Thermosetting Resin Composition, Multilayer Body Using Same, and Ci...
Publication number
20080306220
Publication date
Dec 11, 2008
KANEKA CORPORATION
Shigeru Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Thermosetting resin composition, multilayer body using same, and ci...
Publication number
20060205891
Publication date
Sep 14, 2006
Shigeru Tanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Photosensitive resin composition capable of being developed with aq...
Publication number
20060199920
Publication date
Sep 7, 2006
Koji Okada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Phosphazene compound, photosensitive resin composition and use thereof
Publication number
20060142542
Publication date
Jun 29, 2006
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Photosensitive resin composition and photosensitive films and lamin...
Publication number
20040265731
Publication date
Dec 30, 2004
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Photosensitive resin composition and photosensitive dry film resist...
Publication number
20040235992
Publication date
Nov 25, 2004
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Diamine, acid dianhydride, polymide composition having reactive gro...
Publication number
20040158030
Publication date
Aug 12, 2004
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Photosensitive resin composition, solder resist comprising the same...
Publication number
20040048978
Publication date
Mar 11, 2004
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyimide precursor, manufacturing method thereof, and resin compos...
Publication number
20030149142
Publication date
Aug 7, 2003
Kaneka Corporation
Toshio Yamanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Novel polyimide compositions and novel acid dianhydrides to be used...
Publication number
20020055610
Publication date
May 9, 2002
Kaneka Corporation
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Epoxy-modified polyimide, photosensitive composition, coverlay film...
Publication number
20010056174
Publication date
Dec 27, 2001
Koji Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...