Hiroshi Shirasu

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
System for focus detection utilizing a photoelectric sensor array
- Patent number 4,368,383
- Issue date Jan 11, 1983
- Nippon Kogaku K.K.
- Hiroshi Shirasu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoelectric element array with automatic control of the charge st...
- Patent number 4,340,819
- Issue date Jul 20, 1982
- Nippon Kogaku K.K.
- Akira Ogasawara
- G02 - OPTICS
Information Patent Grant
Apparatus for detecting displacement of optical image
- Patent number 4,339,665
- Issue date Jul 13, 1982
- Nippon Kogaku K.K.
- Ken Utagawa
- G02 - OPTICS
Information Patent Grant
Focus detecting apparatus
- Patent number 4,336,450
- Issue date Jun 22, 1982
- Nippon Kogaku K.K.
- Ken Utagawa
- G02 - OPTICS
Information Patent Grant
Camera display device
- Patent number 4,319,238
- Issue date Mar 9, 1982
- Nippon Kogaku K.K.
- Akira Ogasawara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device for extracting a plurality of space frequency components
- Patent number 4,306,143
- Issue date Dec 15, 1981
- Nippon Kogaku K.K.
- Ken Utagawa
- G02 - OPTICS
Information Patent Grant
Focus detecting device
- Patent number 4,297,571
- Issue date Oct 27, 1981
- Nippon Kogaku K.K.
- Ken Utagawa
- G02 - OPTICS
Information Patent Grant
Light image space frequency component extracting device
- Patent number 4,291,224
- Issue date Sep 22, 1981
- Nippon Kogaku K.K.
- Hiroshi Shirasu
- G02 - OPTICS
Information Patent Grant
Focus detecting apparatus
- Patent number 4,264,810
- Issue date Apr 28, 1981
- Nippon Kogaku K.K.
- Ken Utagawa
- G02 - OPTICS

Hiroshi Shirasu

Person

Patents Grantslast 30 patents

System for focus detection utilizing a photoelectric sensor array

Photoelectric element array with automatic control of the charge st...

Apparatus for detecting displacement of optical image

Focus detecting apparatus

Camera display device

Device for extracting a plurality of space frequency components

Focus detecting device

Light image space frequency component extracting device

Focus detecting apparatus