Yukio Takaoka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Pseudo telephotographic camera and camera having pseudo telephotogr...
- Patent number 5,666,580
- Issue date Sep 9, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takayuki Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Zoom lens camera having macro photographing function
- Patent number 5,266,992
- Issue date Nov 30, 1993
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yukio Takaoka
- G02 - OPTICS
Information Patent Grant
Method of controlling a zoom lens assembly
- Patent number 5,233,472
- Issue date Aug 3, 1993
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Method of controlling the zoom lens assembly
- Patent number 5,170,294
- Issue date Dec 8, 1992
- Asahi Kogaku Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Caseless camera
- Patent number 4,525,046
- Issue date Jun 25, 1985
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yukio Takaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exposure counter disc mechanism for cameras
- Patent number 4,486,083
- Issue date Dec 4, 1984
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Jun Takada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focusing screen holding device
- Patent number 4,365,883
- Issue date Dec 28, 1982
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yukio Takaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera aperture controlling brake
- Patent number 4,226,521
- Issue date Oct 7, 1980
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera electrical self-timer
- Patent number 4,219,262
- Issue date Aug 26, 1980
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yukio Takaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens stop braking in automatic exposure cameras of stop value contr...
- Patent number 4,179,201
- Issue date Dec 18, 1979
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hiroshi Kurei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diaphragm-type exposure control system having braking arrangement
- Patent number 4,149,785
- Issue date Apr 17, 1979
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yukio Takaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lens stop auxiliary brake control device in automatic exposure came...
- Patent number 4,139,290
- Issue date Feb 13, 1979
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yukio Takaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yukio Takaoka

Person

Patents Grantslast 30 patents

Pseudo telephotographic camera and camera having pseudo telephotogr...

Zoom lens camera having macro photographing function

Method of controlling a zoom lens assembly

Method of controlling the zoom lens assembly

Caseless camera

Exposure counter disc mechanism for cameras

Focusing screen holding device

Camera aperture controlling brake

Camera electrical self-timer

Lens stop braking in automatic exposure cameras of stop value contr...

Diaphragm-type exposure control system having braking arrangement

Lens stop auxiliary brake control device in automatic exposure came...