Hiroshi Hada

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Active-matrix display system with less signal line drive circuits
- Patent number 6,075,507
- Issue date Jun 13, 2000
- NEC Corporation
- Tae Miyahara
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Transmissive liquid crystal display having prism lens film for ligh...
- Patent number 5,557,433
- Issue date Sep 17, 1996
- NEC Corporation
- Muneo Maruyama
- G02 - OPTICS
Information Patent Grant
Multilevel image display method and system
- Patent number 5,172,108
- Issue date Dec 15, 1992
- NEC Corporation
- Toshiro Wakabayashi
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Plasma display apparatus
- Patent number 5,003,228
- Issue date Mar 26, 1991
- NEC Corporation
- Hiroshi Hada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Plasma display apparatus
- Patent number 4,859,910
- Issue date Aug 22, 1989
- NEC Corporation
- Tsunekiyo Iwakawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pulse signal control circuits with improved turn-off characteristic
- Patent number 4,555,641
- Issue date Nov 26, 1985
- NEC Corporation
- Hiroshi Hada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Pulse signal control circuits
- Patent number 4,359,648
- Issue date Nov 16, 1982
- Nippon Electric Co., Ltd.
- Hiroshi Hada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Plasma display system
- Patent number 4,296,357
- Issue date Oct 20, 1981
- Nippon Electric Co., Ltd.
- Tsutomu Hirayama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving circuit for a gas discharge display panel
- Patent number 4,100,461
- Issue date Jul 11, 1978
- Nippon Electric Co., Ltd.
- Hiroshi Hada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Hiroshi Hada

Person

Patents Grantslast 30 patents

Active-matrix display system with less signal line drive circuits

Transmissive liquid crystal display having prism lens film for ligh...

Multilevel image display method and system

Plasma display apparatus

Plasma display apparatus

Pulse signal control circuits with improved turn-off characteristic

Pulse signal control circuits

Plasma display system

Driving circuit for a gas discharge display panel