Membership
Tour
Register
Log in
Keizo Kawahara
Follow
Person
Shiga, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Polyester film, use thereof and metal laminated sheet made of said...
Patent number
9,931,822
Issue date
Apr 3, 2018
Toyo Boseki Kabushiki Kaisha
Keizo Kawahara
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Polyimide film
Patent number
8,314,203
Issue date
Nov 20, 2012
Toyo Boseki Kabushiki Kaisha
Masayuki Tsutsumi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for producing polymer film and process for producing poly...
Patent number
8,167,600
Issue date
May 1, 2012
Toyo Boseki Kabushiki Kaisha
Shinji Fujita
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Oriented syndiotactic polystyrene-base film
Patent number
7,544,414
Issue date
Jun 9, 2009
Toyo Boseki Kabushiki Kaisha
Masayuki Tsutsumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-washable photosensitive flexo plate and printing plate
Patent number
6,558,870
Issue date
May 6, 2003
Toyo Boseki Kabushiki Kaisha
Keizo Kawahara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
THIN FILM-LAMINATED POLYIMIDE FILM AND FLEXIBLE PRINTED WIRING BOARD
Publication number
20090056981
Publication date
Mar 5, 2009
Toyo Boseki Kabushiki Kaisha
Satoshi Maeda
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ADHESIVE SHEET, METAL-LAMINATED SHEET AND PRINTED WIRING BOARD
Publication number
20090056995
Publication date
Mar 5, 2009
Toyo Boseki Kabushiki Kasiha
Satoshi Maeda
B32 - LAYERED PRODUCTS
Information
Patent Application
APPARATUS FOR PRODUCING POLYMER FILM AND PROCESS FOR PRODUCING POLY...
Publication number
20090032992
Publication date
Feb 5, 2009
Toyo Boseki Kabushiki Kaisha
Shinji Fujita
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Curable Composition
Publication number
20070293588
Publication date
Dec 20, 2007
TOYO BOSEKI KABUSHIKI KAISHA
Takefumi Yoshida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyimide film
Publication number
20070272124
Publication date
Nov 29, 2007
Toyo Boseki Kabushiki Kaisha
Masayuki Tsutsumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Heat-resistant film and composite ion-exchange membrane
Publication number
20060138042
Publication date
Jun 29, 2006
Kazutake Okamoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Oriented syndiotactic polystyrene-base film
Publication number
20060035096
Publication date
Feb 16, 2006
Masayuki Tsutsumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyester film, use thereof and metal laminated sheet made of said...
Publication number
20050053796
Publication date
Mar 10, 2005
Toyo Boseki Kabushiki Kaisha
Keizo Kawahara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polyester film, use thereof and metal laminated sheet made of said...
Publication number
20020102419
Publication date
Aug 1, 2002
Toyo Boseki Kabushiki Kaisha
Keizo Kawahara
B32 - LAYERED PRODUCTS