Membership
Tour
Register
Log in
Katsuhito Sakamoto
Follow
Person
Sagamihara, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Liquid crystal display having wide viewing angle range
Patent number
6,307,608
Issue date
Oct 23, 2001
Casio Computer Co., Ltd.
Katsuhito Sakamoto
G02 - OPTICS
Information
Patent Grant
LCD device with polarizers having polarizing and transmittance char...
Patent number
6,014,195
Issue date
Jan 11, 2000
Casio Computer Co., Ltd.
Katsuhito Sakamoto
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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
Color liquid crystal display device with optical axes of retardatio...
Patent number
5,737,047
Issue date
Apr 7, 1998
Casio Computer Co., Ltd.
Katsuhito Sakamoto
G02 - OPTICS
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