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Kazuhiro Kuwabara
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Display apparatus including optical modulation element
Patent number
6,894,671
Issue date
May 17, 2005
Hitachi, Ltd.
Tsunenori Yamamoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Reflective color liquid crystal display apparatus
Patent number
6,803,980
Issue date
Oct 12, 2004
Hitachi, Ltd.
Katsuyuki Funahata
G02 - OPTICS
Information
Patent Grant
Reflection type liquid crystal display apparatus with insulating fi...
Patent number
6,600,536
Issue date
Jul 29, 2003
Hitachi, Ltd.
Kazuhiro Kuwabara
G02 - OPTICS
Information
Patent Grant
Method of manufacturing reflective liquid crystal display device
Patent number
6,538,711
Issue date
Mar 25, 2003
Hitachi, Ltd.
Katsuyuki Funahata
G02 - OPTICS
Information
Patent Grant
Reflective color liquid crystal display apparatus with colored poly...
Patent number
6,476,890
Issue date
Nov 5, 2002
Hitachi, Ltd.
Katsuyuki Funahata
G02 - OPTICS
Information
Patent Grant
Liquid crystal display apparatus
Patent number
6,115,017
Issue date
Sep 5, 2000
Hitachi, Ltd.
Yoshiro Mikami
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of manufacturing a thin-film pattern on a substrate
Patent number
5,259,926
Issue date
Nov 9, 1993
Hitachi, Ltd.
Kazuhiro Kuwabara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical change-over switch utilizing ferroelectric liquid crystal m...
Patent number
4,836,657
Issue date
Jun 6, 1989
Hitachi, Ltd.
Yasuhiro Gunji
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Liquid crystal display apparatus
Publication number
20050078073
Publication date
Apr 14, 2005
Yoshiro Mikami
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Reflective color liquid crystal display apparatus
Publication number
20020191134
Publication date
Dec 19, 2002
Katsuyuki Funahata
G02 - OPTICS
Information
Patent Application
Diffused reflector, liquid crystal display device constructed to us...
Publication number
20020054259
Publication date
May 9, 2002
Katsuyuki Funahata
G02 - OPTICS
Information
Patent Application
Display apparatus including optical modulation element
Publication number
20010048420
Publication date
Dec 6, 2001
Tsunenori Yamamoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS