Jun-ichi Ohwada

Person

Mobara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal display device having a shielding film for shielding...
- Patent number 5,739,880
- Issue date Apr 14, 1998
- Hitachi, Ltd.
- Masahiko Suzuki
- G02 - OPTICS
Information Patent Grant
Method of driving an active matrix liquid crystal display panel wit...
- Patent number 5,640,174
- Issue date Jun 17, 1997
- Hitachi, Ltd.
- Tatsuo Kamei
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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
Plane display
- Patent number 5,283,566
- Issue date Feb 1, 1994
- Hitachi, Ltd.
- Akio Mimura
- G02 - OPTICS
Information Patent Grant
Half tone liquid crystal display circuit with an A.C. voltage divid...
- Patent number 5,250,937
- Issue date Oct 5, 1993
- Hitachi, Ltd.
- Ono Kikuo
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Gray scale display
- Patent number 5,091,722
- Issue date Feb 25, 1992
- Hitachi, Ltd.
- Masaaki Kitajima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and circuit for scanning capacitive loads
- Patent number 5,021,774
- Issue date Jun 4, 1991
- Hitachi, Ltd.
- Jun-ichi Ohwada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Thin film semiconductor device and method of manufacturing the same
- Patent number 4,942,441
- Issue date Jul 17, 1990
- Hitachi, Ltd.
- Nobutake Konishi
- G02 - OPTICS
Information Patent Grant
Display device
- Patent number 4,904,989
- Issue date Feb 27, 1990
- Hitachi, Ltd.
- Makoto Matsui
- G02 - OPTICS
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
Matrix display device
- Patent number 4,736,137
- Issue date Apr 5, 1988
- Hitachi, Ltd.
- Jun-ichi Ohwada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Jun-ichi Ohwada

Person

Patents Grantslast 30 patents

Liquid crystal display device having a shielding film for shielding...

Method of driving an active matrix liquid crystal display panel wit...

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

Plane display

Half tone liquid crystal display circuit with an A.C. voltage divid...

Gray scale display

Method and circuit for scanning capacitive loads

Thin film semiconductor device and method of manufacturing the same

Display device

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

Matrix display device