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Patents Grants
last 30 patents
Information
Patent Grant
Image processing apparatus
Patent number
8,682,196
Issue date
Mar 25, 2014
Oki Data Corporation
Tomio Tanaka
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming apparatus with print restriction levels
Patent number
8,488,139
Issue date
Jul 16, 2013
Oki Data Corporation
Yoshiaki Utsubo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Printer, printing system and printing method for preventing abnorma...
Patent number
7,961,340
Issue date
Jun 14, 2011
Oki Data Corporation
Tomio Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus
Patent number
7,320,552
Issue date
Jan 22, 2008
Oki Data Corporation
Tomio Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electrode substrate for liquid crystal display panel, method of fab...
Patent number
6,856,369
Issue date
Feb 15, 2005
Dai Nippon Printing Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Field sequential color liquid crystal display device
Patent number
6,753,936
Issue date
Jun 22, 2004
Dai Nippon Pringing Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Reflection type color liquid crystal display device
Patent number
6,727,966
Issue date
Apr 27, 2004
Dai Nippon Printing Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Color filter subject to impurity extraction treatment and liquid cr...
Patent number
6,624,861
Issue date
Sep 23, 2003
Dai Nippon Printing Co., Ltd.
Shunji Miyakawa
G02 - OPTICS
Information
Patent Grant
Antiferroelectric liquid crystal display device
Patent number
6,208,403
Issue date
Mar 27, 2001
Casio Computer Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Liquid crystal display device having a liquid crystal layer which c...
Patent number
6,175,401
Issue date
Jan 16, 2001
Casio Computer Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Liquid crystal display apparatus
Patent number
6,163,360
Issue date
Dec 19, 2000
Casio Computer Co., Ltd.
Tomio Tanaka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
LCD using liquid crystal of ferroelectric and/or antiferroelectric...
Patent number
6,151,090
Issue date
Nov 21, 2000
Casio Computer Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Antiferroelectric liquid crystal display device
Patent number
6,122,034
Issue date
Sep 19, 2000
Casio Computer Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Liquid Crystal Display device using liquid crystal having ferrielec...
Patent number
6,091,478
Issue date
Jul 18, 2000
Casio Computer Co., Ltd.
Tomio Tanaka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal display device, liquid crystal display apparatus and...
Patent number
6,069,602
Issue date
May 30, 2000
Cassio Computer Co., Ltd.
Tomio Tanaka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal display device and method for driving the same
Patent number
6,046,788
Issue date
Apr 4, 2000
Casio Computer Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Liquid crystal display apparatus using liquid crystal having ferroe...
Patent number
5,963,187
Issue date
Oct 5, 1999
Casio Computer Co., Ltd.
Tomio Tanaka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal display apparatus using liquid crystal having ferroe...
Patent number
5,920,301
Issue date
Jul 6, 1999
Casio Computer Co., Ltd.
Katsuhito Sakamoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Antiferroelectric liquid crystal display element and device, and me...
Patent number
5,895,108
Issue date
Apr 20, 1999
Casio Computer Co., Ltd.
Tomio Tanaka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Antiferroelectric liquid crystal display device
Patent number
5,847,799
Issue date
Dec 8, 1998
Casio Computer Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Antiferroelectric liquid crystal display element exhibiting a precu...
Patent number
5,631,752
Issue date
May 20, 1997
Casio Computer Co., Ltd.
Tomio Tanaka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Anti-ferroelectric liquid crystal display device with intersecting...
Patent number
5,559,620
Issue date
Sep 24, 1996
Casio Computer Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Grant
Deformed helix ferroelectric liquid crystal display device and meth...
Patent number
5,490,000
Issue date
Feb 6, 1996
Casio Computer Co., Ltd.
Tomio Tanaka
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
Image forming apparatus
Publication number
20090122347
Publication date
May 14, 2009
Oki Data Corporation
Yoshiaki Utsubo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image Processing Apparatus
Publication number
20090096290
Publication date
Apr 16, 2009
Oki Data Corporation
Tomio TANAKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PRINTER, PRINTING SYSTEM AND PRINTING METHOD
Publication number
20070008580
Publication date
Jan 11, 2007
Oki Data Corporation
Tomio TANAKA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Alignment layer, process for producing alignment layer, substrate w...
Publication number
20050003110
Publication date
Jan 6, 2005
Tomio Tanaka
G02 - OPTICS
Information
Patent Application
Image forming apparatus
Publication number
20040263893
Publication date
Dec 30, 2004
Tomio Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Liquid crystal display and method for manufacturing the same
Publication number
20040142119
Publication date
Jul 22, 2004
Tomio Tanaka
G02 - OPTICS
Information
Patent Application
Color liquid crystal display device
Publication number
20030053013
Publication date
Mar 20, 2003
Tomio Tanaka
G02 - OPTICS
Information
Patent Application
Refrection type color liquid crystal display device
Publication number
20020186335
Publication date
Dec 12, 2002
Tomio Tanaka
G02 - OPTICS
Information
Patent Application
Electrode substrate for liquid crystal display panel, method of fab...
Publication number
20020131002
Publication date
Sep 19, 2002
Dai Nippon Printing Co., Ltd.
Tomio Tanaka
G02 - OPTICS
Information
Patent Application
Color filter and liquid crystal display device
Publication number
20020008813
Publication date
Jan 24, 2002
DAI NIPPON PRINTING CO. , LTD.
Shunji Miyakawa
G02 - OPTICS