Kiyoshi Iizuka

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal device having at least two zones having different di...
- Patent number 5,136,409
- Issue date Aug 4, 1992
- Canon Kabushiki Kaisha
- Masahiro Fushimi
- G02 - OPTICS
Information Patent Grant
Focusing plate having phase grating formed by using liquid crystal
- Patent number 5,122,888
- Issue date Jun 16, 1992
- Canon Kabushiki Kaisha
- Kiyoshi Iizuka
- G02 - OPTICS
Information Patent Grant
Liquid crystal focusing screen having different groups of electrodes
- Patent number 4,795,238
- Issue date Jan 3, 1989
- Canon Kabushiki Kaisha
- Kiyoshi Iizuka
- G02 - OPTICS
Information Patent Grant
Display device
- Patent number 4,711,547
- Issue date Dec 8, 1987
- Canon Kabushiki Kaisha
- Kiyoshi Iizuka
- G02 - OPTICS
Information Patent Grant
Optical phase filter using liquid crystal
- Patent number 4,606,612
- Issue date Aug 19, 1986
- Canon Kabushiki Kaisha
- Kiyoshi Iizuka
- G02 - OPTICS
Information Patent Grant
Camera capable of special effects photography
- Patent number 4,586,802
- Issue date May 6, 1986
- Canon Kabushiki Kaisha
- Akihiko Nagano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blur detecting device
- Patent number 4,586,029
- Issue date Apr 29, 1986
- Canon Kabushiki Kaisha
- Shuichi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diffusing plate
- Patent number 4,567,123
- Issue date Jan 28, 1986
- Canon Kabushiki Kaisha
- Keiji Ohtaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diffusion plate
- Patent number 4,427,265
- Issue date Jan 24, 1984
- Canon Kabushiki Kaisha
- Takashi Suzuki
- G02 - OPTICS
Information Patent Grant
Focussing plate
- Patent number 4,421,398
- Issue date Dec 20, 1983
- Canon Kabushiki Kaisha
- Takashi Suzuki
- G02 - OPTICS
Information Patent Grant
Information output unit
- Patent number 4,229,750
- Issue date Oct 21, 1980
- Canon Kabushiki Kaisha
- Naoto Kawamura
- G01 - MEASURING TESTING

Kiyoshi Iizuka

Person

Patents Grantslast 30 patents

Liquid crystal device having at least two zones having different di...

Focusing plate having phase grating formed by using liquid crystal

Liquid crystal focusing screen having different groups of electrodes

Display device

Optical phase filter using liquid crystal

Camera capable of special effects photography

Blur detecting device

Diffusing plate

Diffusion plate

Focussing plate

Information output unit