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Sadayoshi Hotta
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Hirakata, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Transflective liquid crystal display device
Patent number
6,836,306
Issue date
Dec 28, 2004
Matsushita Electric Industrial Co., Ltd.
Hirofumi Kubota
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device, pixels repair method thereof, and dr...
Patent number
6,781,659
Issue date
Aug 24, 2004
Matsushita Electric Industrial Co., Ltd.
Akinori Shiota
G02 - OPTICS
Information
Patent Grant
Transflective liquid crystal display device
Patent number
6,771,334
Issue date
Aug 3, 2004
Matsushita Electric Industrial Co., Ltd.
Hirofumi Kubota
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device
Patent number
5,303,072
Issue date
Apr 12, 1994
Matsushita Electric Industrial Co., Ltd.
Mamoru Takeda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Reflective-type active matrix liquid crystal display device
Patent number
5,193,017
Issue date
Mar 9, 1993
Matsushita Electric Industrial Co., Ltd.
Hiroshi Iwai
G02 - OPTICS
Information
Patent Grant
Active matrix liquid crystal display apparatus and method of produc...
Patent number
5,185,601
Issue date
Feb 9, 1993
Matsushita Electric Industrial Co., Ltd.
Mamoru Takeda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal projection color display apparatus having microlens...
Patent number
5,144,462
Issue date
Sep 1, 1992
Matsushita Electric Industrial Co., Ltd.
Akira Otsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal projection display apparatus having two microlens ar...
Patent number
5,126,863
Issue date
Jun 30, 1992
Matsushita Electric Industrial Co., Ltd.
Akira Otsuka
G02 - OPTICS
Information
Patent Grant
Projection type liquid cyrstal display device
Patent number
4,989,954
Issue date
Feb 5, 1991
Matsushita Electric Industrial Co., Ltd.
Kazuo Yokoyama
G02 - OPTICS
Information
Patent Grant
Display device and a display method
Patent number
4,823,126
Issue date
Apr 18, 1989
Matsushita Electric Industrial Co. Ltd.
Seiichi Nagata
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Color liquid crystal display apparatus
Patent number
4,632,514
Issue date
Dec 30, 1986
Matsushita Electric Industrial Co., Ltd.
Tetsu Ogawa
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Transflective liquid crystal display device
Publication number
20040145691
Publication date
Jul 29, 2004
Matsushita Elec. Ind. Co. Ltd.
Hirofumi Kubota
G02 - OPTICS
Information
Patent Application
Transflective liquid crystal display
Publication number
20020171792
Publication date
Nov 21, 2002
Hirofumi Kubota
G02 - OPTICS
Information
Patent Application
Liquid crystal display device, pixels repair method thereof, and dr...
Publication number
20020154079
Publication date
Oct 24, 2002
Akinori Shiota
G02 - OPTICS