Hideaki Kawakami

Person

Mito, 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
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
Liquid crystal display device using nematic liquid crystal having t...
- Patent number 4,906,073
- Issue date Mar 6, 1990
- Hitachi, Ltd.
- Katuyuki Hunahata
- G02 - OPTICS
Information Patent Grant
Method for driving liquid crystal element employing ferroelectric l...
- Patent number RE33120
- Issue date Nov 28, 1989
- Hitachi, Ltd.
- Yoshiharu Nagae
- 350 -
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
Information Patent Grant
Information holding device
- Patent number 4,733,370
- Issue date Mar 22, 1988
- Hitachi, Ltd.
- Masaaki Kitajima
- G11 - INFORMATION STORAGE
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
Imaging display device
- Patent number 4,583,122
- Issue date Apr 15, 1986
- Hitachi, Ltd.
- Junichi Ohwada
- G02 - OPTICS
Information Patent Grant
Information holding device
- Patent number 4,548,474
- Issue date Oct 22, 1985
- Hitachi, Ltd.
- Yoshiharu Nagae
- 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 for driving liquid crystal element employing ferroelectric l...
- Patent number 4,508,429
- Issue date Apr 2, 1985
- Hitachi, Ltd.
- Yoshiharu Nagae
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device
- Patent number 4,400,059
- Issue date Aug 23, 1983
- Hitachi, Ltd.
- Yoshiharu Nagae
- G02 - OPTICS
Information Patent Grant
Pleochroic color display device
- Patent number 4,396,251
- Issue date Aug 2, 1983
- Hitachi, Ltd.
- Akio Mukoh
- G02 - OPTICS
Information Patent Grant
Driving device and method for matrix-type display panel using guest...
- Patent number 4,395,709
- Issue date Jul 26, 1983
- Hitachi, Ltd.
- Yoshiharu Nagae
- 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
Information Patent Grant
Driving device for matrix-type display panel using guest-host type...
- Patent number 4,317,115
- Issue date Feb 23, 1982
- Hitachi, Ltd.
- Hideaki Kawakami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Guest-host liquid crystal display device
- Patent number 4,278,328
- Issue date Jul 14, 1981
- Hitachi, Ltd.
- Akio Mukoh
- G02 - OPTICS
Information Patent Grant
Display data synthesizer circuit
- Patent number 4,149,151
- Issue date Apr 10, 1979
- Hitachi, Ltd.
- Yoshiharu Nagae
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Hideaki Kawakami

Person

Patents Grantslast 30 patents

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

Thin film semiconductor device and method of manufacturing the same

Liquid crystal display device using nematic liquid crystal having t...

Method for driving liquid crystal element employing ferroelectric l...

Matrix display device

Information holding device

Information holding device

Imaging display device

Information holding device

Matrix display and driving method therefor

Method for driving liquid crystal element employing ferroelectric l...

Liquid crystal display device

Pleochroic color display device

Driving device and method for matrix-type display panel using guest...

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

Driving device for matrix-type display panel using guest-host type...

Guest-host liquid crystal display device

Display data synthesizer circuit