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TOSHIYASU KAWAI
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ICHIHARA-SHI, CHIBA, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Thermoplastic resin composition for semiconductor, adhesion film, l...
Patent number
7,843,045
Issue date
Nov 30, 2010
Hitachi Chemical Co., Ltd.
Kiyohide Tateoka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Adhesive film for semiconductor, lead frame and semiconductor devic...
Patent number
7,479,412
Issue date
Jan 20, 2009
Hitachi Chemical Company, Ltd.
Toshiyasu Kawai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Adhesive film for semiconductor, metal sheet with such adhesive fil...
Patent number
7,449,367
Issue date
Nov 11, 2008
Hitachi Chemical Company, Ltd.
Hidekazu Matsuura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Adhesive film for semiconductor, lead frame and semiconductor devic...
Patent number
7,378,722
Issue date
May 27, 2008
Hitachi Chemical Co., Ltd.
Toshiyasu Kawai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Adhesive film for semiconductor, lead frame and semiconductor devic...
Patent number
7,057,266
Issue date
Jun 6, 2006
Hitachi Chemical Co., Ltd.
Toshiyasu Kawai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Adhesive film for semiconductor, lead frame and semiconductor devic...
Patent number
6,700,185
Issue date
Mar 2, 2004
Hitachi Chemical Co., Ltd.
Toshiyasu Kawai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Adhesive film of quinoline polymer and bismaleimide
Patent number
6,462,148
Issue date
Oct 8, 2002
Hitachi Chemical Co., Ltd.
Masahiro Suzuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Transparent resin and plastic lens
Patent number
5,663,264
Issue date
Sep 2, 1997
Hitachi Chemical Company, Ltd.
Toshiyasu Kawai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Plastic lens
Patent number
5,583,191
Issue date
Dec 10, 1996
Hitachi Chemical Company, Ltd.
Toshiyasu Kawai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
THERMOPLASTIC RESIN COMPOSITION FOR SEMICONDUCTOR, ADHESION FILM, L...
Publication number
20090091012
Publication date
Apr 9, 2009
Kiyohide Tateoka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ADHESIVE FILM FOR SEMICONDUCTOR USE, METAL SHEET LAMINATED WITH ADH...
Publication number
20090053498
Publication date
Feb 26, 2009
Hidekazu Matsuura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ADHESIVE FILM FOR SEMICONDUCTOR, LEAD FRAME AND SEMICONDUCTOR DEVIC...
Publication number
20080194062
Publication date
Aug 14, 2008
Toshiyasu Kawai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Adhesive film for semiconductor, lead frame and semiconductor devic...
Publication number
20060138616
Publication date
Jun 29, 2006
Toshiyasu Kawai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Adhesive film for semiconductor, metal sheet with such adhesive fil...
Publication number
20060043607
Publication date
Mar 2, 2006
Hidekazu Matsuura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Adhesive film for semiconductor, lead frame and semiconductor devic...
Publication number
20040124544
Publication date
Jul 1, 2004
Toshiyasu Kawai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
RESIN COMPOSITION AND ADHESIVE FILM
Publication number
20020151659
Publication date
Oct 17, 2002
MASAHIRO SUZUKI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...