Kazuya Ooishi

Follow

Person

Toukai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Printer utilizing optical switch elements
- Patent number 4,769,659
- Issue date Sep 6, 1988
- Takao Umeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Driving ferroelectric liquid crystal printers via short circuiting
- Patent number 4,712,876
- Issue date Dec 15, 1987
- Hitachi, Ltd.
- Takao Umeda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Driving method and apparatus for optical printer with liquid-crysta...
- Patent number 4,591,886
- Issue date May 27, 1986
- Hitachi, Ltd.
- Takao Umeda
- G06 - COMPUTING CALCULATING COUNTING