Masao Jyojiki

Person

Tsurugashima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Positioning apparatus for an optical element in the form of a thin...
- Patent number 5,796,421
- Issue date Aug 18, 1998
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masao Jyojiki
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Focus detecting and indicating device for camera
- Patent number 4,627,700
- Issue date Dec 9, 1986
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Kazuo Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focus detecting device
- Patent number 4,384,770
- Issue date May 24, 1983
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Camera focus detecting device
- Patent number 4,352,545
- Issue date Oct 5, 1982
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Naoyuki Uno
- G02 - OPTICS
Information Patent Grant
Camera focus detecting device
- Patent number 4,349,254
- Issue date Sep 14, 1982
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masao Jyojiki
- G02 - OPTICS
Information Patent Grant
Display device for focus detecting and indicating device for camera
- Patent number 4,313,657
- Issue date Feb 2, 1982
- Asahi Kogaku Jogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Camera focus detecting device
- Patent number 4,297,014
- Issue date Oct 27, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Kazuo Nakamura
- G02 - OPTICS
Information Patent Grant
Electrically operated automatic focalizing camera
- Patent number 4,293,206
- Issue date Oct 6, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Camera focus detecting device
- Patent number 4,293,205
- Issue date Oct 6, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Focus detecting device in single lens reflex camera
- Patent number 4,265,520
- Issue date May 5, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Focus detecting device
- Patent number 4,258,989
- Issue date Mar 31, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Camera focus detecting device
- Patent number 4,253,751
- Issue date Mar 3, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Camera focus detecting device
- Patent number 4,230,401
- Issue date Oct 28, 1980
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Seijiro Tokutomi
- G02 - OPTICS
Information Patent Grant
Camera having a focusing device
- Patent number 4,223,988
- Issue date Sep 23, 1980
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masao Jyojiki
- G02 - OPTICS
Information Patent Grant
Focus detecting device
- Patent number 4,176,928
- Issue date Dec 4, 1979
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Kazuo Nakamura
- G02 - OPTICS
Information Patent Grant
Method and apparatus for focusing a photographic apparatus
- Patent number 4,171,155
- Issue date Oct 16, 1979
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masao Jyojiki
- G02 - OPTICS

Masao Jyojiki

Person

Patents Grantslast 30 patents

Positioning apparatus for an optical element in the form of a thin...

Focus detecting and indicating device for camera

Focus detecting device

Camera focus detecting device

Camera focus detecting device

Display device for focus detecting and indicating device for camera

Camera focus detecting device

Electrically operated automatic focalizing camera

Camera focus detecting device

Focus detecting device in single lens reflex camera

Focus detecting device

Camera focus detecting device

Camera focus detecting device

Camera having a focusing device

Focus detecting device

Method and apparatus for focusing a photographic apparatus