Masaaki Kitazima

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for testing an on-off function of semiconductor devices whic...
- Patent number 5,537,054
- Issue date Jul 16, 1996
- Hitachi, Ltd.
- Masayoshi Suzuki
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device and its displaying method
- Patent number 5,287,095
- Issue date Feb 15, 1994
- Hitachi, Ltd.
- Masaaki Kitazima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Ferroelectric liquid crystal matrix driving apparatus and method
- Patent number 4,770,502
- Issue date Sep 13, 1988
- Hitachi, Ltd.
- Masaaki Kitazima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display device comprising a delaying circuit to retard signal volta...
- Patent number 4,750,813
- Issue date Jun 14, 1988
- Hitachi, Ltd.
- Jun-ichi Ohwada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Information holding device
- Patent number 4,649,517
- Issue date Mar 10, 1987
- Hitachi, Ltd.
- Masaaki Kitazima
- G11 - INFORMATION STORAGE
Information Patent Grant
Matrix display and driving method therefor
- Patent number 4,532,506
- Issue date Jul 30, 1985
- Hitachi, Ltd.
- Masaaki Kitazima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of driving a matrix type phase transition liquid crystal dis...
- Patent number 4,380,008
- Issue date Apr 12, 1983
- Hitachi, Ltd.
- Hideaki Kawakami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Masaaki Kitazima

Person

Patents Grantslast 30 patents

Method for testing an on-off function of semiconductor devices whic...

Display device and its displaying method

Ferroelectric liquid crystal matrix driving apparatus and method

Display device comprising a delaying circuit to retard signal volta...

Information holding device

Matrix display and driving method therefor

Method of driving a matrix type phase transition liquid crystal dis...