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Yuzo Hayashi
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Iwaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Transflective liquid crystal display device having liquid crystal l...
Patent number
7,495,727
Issue date
Feb 24, 2009
Alps Electric Co., Ltd.
Mitsuo Oizumi
G02 - OPTICS
Information
Patent Grant
Light guide member and illuminating device
Patent number
7,025,482
Issue date
Apr 11, 2006
Alps Electric Co., Ltd.
Tatsumaro Yamashita
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Active matrix display device with asymmetrical reflection, and insu...
Patent number
6,963,381
Issue date
Nov 8, 2005
Alps Electronic Co., Ltd.
Mitsuru Kano
G02 - OPTICS
Information
Patent Grant
Method of manufacturing color filter and device of manufacturing th...
Patent number
6,212,317
Issue date
Apr 3, 2001
Alps Electric Co., Ltd.
Naoki Takeshita
G02 - OPTICS
Information
Patent Grant
Method of making color filter
Patent number
6,083,649
Issue date
Jul 4, 2000
Alps Electric Co., Ltd.
Naoki Takeshita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method for orienting liquid crystal display element by rubbing
Patent number
5,075,790
Issue date
Dec 24, 1991
Alps Electric Co., Ltd.
Yuzo Hayashi
G02 - OPTICS
Information
Patent Grant
Terminal connection structure for a liquid crystal display device
Patent number
4,767,189
Issue date
Aug 30, 1988
Alps Electric Co., Ltd.
Yuzo Hayashi
G02 - OPTICS
Information
Patent Grant
Liquid crystal mixture
Patent number
4,543,201
Issue date
Sep 24, 1985
Alps Electric Co., Ltd.
Yuzo Hayashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Liquid crystal mixture
Patent number
4,482,473
Issue date
Nov 13, 1984
Alps Electric Co., Ltd.
Fumiaki Yamanashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Color display liquid crystal composition
Patent number
4,477,368
Issue date
Oct 16, 1984
Alps Electric Co., Ltd.
Fumiaki Yamanashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
LIQUID CRYSTAL DISPLAY
Publication number
20070177096
Publication date
Aug 2, 2007
Tohoku University
Tatsuo UCHIDA
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20070146599
Publication date
Jun 28, 2007
Alps Electric Co., Ltd.
Tatsuo UCHIDA
G02 - OPTICS
Information
Patent Application
Liquid crystal display device
Publication number
20060192914
Publication date
Aug 31, 2006
Mitsuo Oizumi
G02 - OPTICS
Information
Patent Application
Liquid crystal display device
Publication number
20060017687
Publication date
Jan 26, 2006
Alps Electric Co., Ltd.
Mitsuo Oizumi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Bistable liquid crystal display device
Publication number
20050270463
Publication date
Dec 8, 2005
Alps Electric Co., Ltd.
Tadashi Akahane
G02 - OPTICS
Information
Patent Application
Optical member, method for manufacturing the same, surface emitting...
Publication number
20050036083
Publication date
Feb 17, 2005
Alps Electric Co., Ltd.
Yuzo Hayashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Light guide member and illuminating device
Publication number
20040096182
Publication date
May 20, 2004
Apls Electric Co., Ltd.
Tatsumaro Yamashita
B60 - VEHICLES IN GENERAL
Information
Patent Application
Active matrix display device
Publication number
20040017528
Publication date
Jan 29, 2004
Alps Electric Co., Ltd.
Mitsuru Kano
G02 - OPTICS
Information
Patent Application
Active matrix display device
Publication number
20040012726
Publication date
Jan 22, 2004
Alps Electric Co., Ltd.
Mitsuru Kano
G02 - OPTICS