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Masato Taya
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Chikusei-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light guide plate and backlight unit
Patent number
8,096,693
Issue date
Jan 17, 2012
Hitachi Chemical Co., Ltd.
Masato Taya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for producing apertures in a diffuse reflector layer having...
Patent number
7,889,310
Issue date
Feb 15, 2011
Hitachi Chemical Company, Ltd.
Takehisa Yoshikawa
G02 - OPTICS
Information
Patent Grant
Backlight unit
Patent number
7,665,876
Issue date
Feb 23, 2010
Hitachi Chemical Co., Ltd.
Masato Taya
G02 - OPTICS
Information
Patent Grant
Back light device and liquid crystal display device
Patent number
7,537,372
Issue date
May 26, 2009
Hitachi Chemical Company, Ltd.
Yasushi Sugimoto
G02 - OPTICS
Information
Patent Grant
Microlens array, a method for making a transfer master pattern for...
Patent number
7,009,774
Issue date
Mar 7, 2006
Hitachi, Ltd.
Takehisa Yoshikawa
G02 - OPTICS
Information
Patent Grant
MICROLENS ARRAY, A METHOD FOR MAKING A TRANSFER MASTER PATTERN FOR...
Patent number
6,898,015
Issue date
May 24, 2005
Hitachi, Ltd.
Takehisa Yoshikawa
G02 - OPTICS
Information
Patent Grant
MICROLENS ARRAY, A METHOD FOR MAKING A TRANSFER MASTER PATTERN FOR...
Patent number
6,654,176
Issue date
Nov 25, 2003
Hitachi, Ltd.
Takehisa Yoshikawa
G02 - OPTICS
Information
Patent Grant
Polyimides and optical parts obtained by using the same
Patent number
5,837,804
Issue date
Nov 17, 1998
Hitachi Chemical Company, Ltd.
Chiaki Yamagishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compounds and polymers, resin compositions, nonlinear optical eleme...
Patent number
5,834,575
Issue date
Nov 10, 1998
Hitachi Chemical Company, Ltd.
Yutaka Honda
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
SURFACE LIGHT SOURCE DEVICE AND PRISM SHEET
Publication number
20100220498
Publication date
Sep 2, 2010
Yasuhiko Awano
G02 - OPTICS
Information
Patent Application
Backlight unit
Publication number
20090147532
Publication date
Jun 11, 2009
HITACHI CHEMICAL CO., LTD.
Masato Taya
G02 - OPTICS
Information
Patent Application
Light guide plate and backlight unit
Publication number
20090129056
Publication date
May 21, 2009
HITACHI CHEMICAL CO., LTD.
Masato Taya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR MANUFACTURING REFLECTIVE FILM WITH OPENING AND LIQUID CR...
Publication number
20070177079
Publication date
Aug 2, 2007
Takehisa Yoshikawa
G02 - OPTICS
Information
Patent Application
Back light device and liquid crystal display device
Publication number
20070139956
Publication date
Jun 21, 2007
HITACHI CHEMICAL CO., Ltd.
Yasushi Sugimoto
G02 - OPTICS
Information
Patent Application
Microlens array, a method for making a transfer master pattern for...
Publication number
20050041295
Publication date
Feb 24, 2005
Takehisa Yoshikawa
G02 - OPTICS
Information
Patent Application
Microlens array, a method for making a transfer master pattern for...
Publication number
20040061946
Publication date
Apr 1, 2004
Takehisa Yoshikawa
G02 - OPTICS
Information
Patent Application
Microlens array, a method for making a transfer master pattern for...
Publication number
20030039035
Publication date
Feb 27, 2003
Takehisa Yoshikawa
G02 - OPTICS