Hirofumi Fukuoka

Follow

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of driving a display apparatus
- Patent number 5,583,531
- Issue date Dec 10, 1996
- Sharp Kabushiki Kaisha
- Hisao Okada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Drive device for driving a matrix-type LCD apparatus
- Patent number 5,414,443
- Issue date May 9, 1995
- Sharp Kabushiki Kaisha
- Yoshiharu Kanatani
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving circuit for a matrix type display device
- Patent number 5,412,397
- Issue date May 2, 1995
- Sharp Kabushiki Kaisha
- Yoshiharu Kanatani
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Driving circuit for a matrix type display device
- Patent number 5,111,195
- Issue date May 5, 1992
- Sharp Kabushiki Kaisha
- Hirofumi Fukuoka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Two-level display device with hatching control means
- Patent number 5,059,963
- Issue date Oct 22, 1991
- Sharp Kabushiki Kaisha
- Hirofumi Fukuoka
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display device for overhead projector
- Patent number 4,904,079
- Issue date Feb 27, 1990
- Sharp Kabushiki Kaisha
- Makoto Yoshimura
- G02 - OPTICS