Zenichi Okura

Person

Oomiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Lens barrel having a cam mechanism
- Patent number 5,886,836
- Issue date Mar 23, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takamitsu Sasaki
- G02 - OPTICS
Information Patent Grant
Focus adjusting apparatus of zoom lens
- Patent number 5,579,173
- Issue date Nov 26, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takuji Hamasaki
- G02 - OPTICS
Information Patent Grant
Rotational torque setting apparatus for screw mechanism
- Patent number 5,537,262
- Issue date Jul 16, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Nobuaki Aoki
- G02 - OPTICS
Information Patent Grant
Apparatus for adjusting lens position
- Patent number 5,510,936
- Issue date Apr 23, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Nobuaki Aoki
- G02 - OPTICS
Information Patent Grant
Lens holding structure
- Patent number 5,461,444
- Issue date Oct 24, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G02 - OPTICS
Information Patent Grant
Focus adjusting apparatus of zoom lens
- Patent number 5,448,414
- Issue date Sep 5, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takuji Hamasaki
- G02 - OPTICS
Information Patent Grant
Lens advancing mechanism
- Patent number 5,446,593
- Issue date Aug 29, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takuji Hamasaki
- G02 - OPTICS
Information Patent Grant
Apparatus for stopping down diaphragm to an intermediate setting, u...
- Patent number 5,270,759
- Issue date Dec 14, 1993
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for stopping down diaphragm to an intermediate setting, u...
- Patent number 5,250,971
- Issue date Oct 5, 1993
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera with flexible-means guide structure
- Patent number 4,951,083
- Issue date Aug 21, 1990
- Asahi Kogaku Kogyo K.K.
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Autofocus camera
- Patent number 4,890,133
- Issue date Dec 26, 1989
- Asahi Kogaku Kogyo K.K.
- Ryota Ogawa
- G02 - OPTICS
Information Patent Grant
Lens barrel with lens shutter
- Patent number 4,720,167
- Issue date Jan 19, 1988
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G02 - OPTICS
Information Patent Grant
Lens holding system
- Patent number 4,668,047
- Issue date May 26, 1987
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G02 - OPTICS
Information Patent Grant
Compensation for diaphragm control in SLR camera
- Patent number 4,621,918
- Issue date Nov 11, 1986
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic camera having a diaphragm actuator with preliminary di...
- Patent number 4,577,952
- Issue date Mar 25, 1986
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Fumio Urano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrical contact arrangement for photographic camera with interch...
- Patent number RE32049
- Issue date Dec 17, 1985
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- 354 -
Information Patent Grant
Rotation control mechanism for diaphram-operating ring in interchan...
- Patent number 4,505,564
- Issue date Mar 19, 1985
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Etsuro Nishio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Compensator system for diaphragm control in a single-lens reflex ca...
- Patent number 4,477,161
- Issue date Oct 16, 1984
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera with diaphragm adjustment control
- Patent number 4,464,040
- Issue date Aug 7, 1984
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera with information transmitting elements
- Patent number 4,439,029
- Issue date Mar 27, 1984
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus of preventing bound of diaphragm blades in camera
- Patent number 4,416,527
- Issue date Nov 22, 1983
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Compensation for diaphragm control in SLR camera
- Patent number 4,395,106
- Issue date Jul 26, 1983
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Kawasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic aperture presetting device
- Patent number 4,367,939
- Issue date Jan 11, 1983
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrical contact arrangement for photographic camera with interch...
- Patent number 4,357,089
- Issue date Nov 2, 1982
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic aperture control device
- Patent number 4,272,175
- Issue date Jun 9, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Zenichi Okura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Tripod rack and pinion focussing mechanism rotatable relative to lens
- Patent number 4,187,020
- Issue date Feb 5, 1980
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tadayoshi Ishii
- G02 - OPTICS

Zenichi Okura

Person

Patents Grantslast 30 patents

Lens barrel having a cam mechanism

Focus adjusting apparatus of zoom lens

Rotational torque setting apparatus for screw mechanism

Apparatus for adjusting lens position

Lens holding structure

Focus adjusting apparatus of zoom lens

Lens advancing mechanism

Apparatus for stopping down diaphragm to an intermediate setting, u...

Apparatus for stopping down diaphragm to an intermediate setting, u...

Camera with flexible-means guide structure

Autofocus camera

Lens barrel with lens shutter

Lens holding system

Compensation for diaphragm control in SLR camera

Photographic camera having a diaphragm actuator with preliminary di...

Electrical contact arrangement for photographic camera with interch...

Rotation control mechanism for diaphram-operating ring in interchan...

Compensator system for diaphragm control in a single-lens reflex ca...

Camera with diaphragm adjustment control

Camera with information transmitting elements

Apparatus of preventing bound of diaphragm blades in camera

Compensation for diaphragm control in SLR camera

Automatic aperture presetting device

Electrical contact arrangement for photographic camera with interch...

Automatic aperture control device

Tripod rack and pinion focussing mechanism rotatable relative to lens