Hideaki Yuda

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Focusing screen and a method of forming a microstructure array for...
- Patent number 5,085,977
- Issue date Feb 4, 1992
- Asahi Kogaku Kogyo K.K.
- Saburo Sugawara
- G02 - OPTICS
Information Patent Grant
Focusing screen
- Patent number 5,081,545
- Issue date Jan 14, 1992
- Asahi Kogaku Kogyo K.K.
- Saburo Sugawara
- G02 - OPTICS
Information Patent Grant
Automatic focusing projector
- Patent number 4,949,115
- Issue date Aug 14, 1990
- Asahi Kogaku Kogyo K.K.
- Yasuyuki Tejima
- G02 - OPTICS
Information Patent Grant
Automatic focusing projector
- Patent number 4,905,034
- Issue date Feb 27, 1990
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yasuyuki Tejima
- G02 - OPTICS
Information Patent Grant
Auxiliary light projecting apparatus for a focus detecting system
- Patent number 4,870,442
- Issue date Sep 26, 1989
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yasuyuki Tejima
- G02 - OPTICS
Information Patent Grant
Auxiliary light projecting apparatus for a focus detecting system
- Patent number 4,771,308
- Issue date Sep 13, 1988
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yasuyuki Tejima
- G02 - OPTICS
Information Patent Grant
Focus detecting device
- Patent number 4,600,830
- Issue date Jul 15, 1986
- Asahi Kogaku Kogyo K.K.
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Focusing position detecting device using a sector shaped mirror
- Patent number 4,580,042
- Issue date Apr 1, 1986
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS

Hideaki Yuda

Person

Patents Grantslast 30 patents

Focusing screen and a method of forming a microstructure array for...

Focusing screen

Automatic focusing projector

Automatic focusing projector

Auxiliary light projecting apparatus for a focus detecting system

Auxiliary light projecting apparatus for a focus detecting system

Focus detecting device

Focusing position detecting device using a sector shaped mirror