Yutaka Ohsawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Diaphragm control apparatus of interchangeable lens camera
- Patent number 9,152,011
- Issue date Oct 6, 2015
- Pentax Ricoh Imaging Company, Ltd.
- Toshiaki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sequential shooting controller
- Patent number 8,159,601
- Issue date Apr 17, 2012
- Pentax Ricoh Imaging Company, Ltd.
- Shinichi Kakiuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Diaphragm control apparatus of interchangeable lens camera
- Patent number 7,974,530
- Issue date Jul 5, 2011
- Hoya Corporation
- Toshiaki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diaphragm control apparatus of interchangeable lens camera
- Patent number 7,970,274
- Issue date Jun 28, 2011
- Hoya Corporation
- Toshiaki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diaphragm control apparatus of interchangeable lens camera
- Patent number 7,970,273
- Issue date Jun 28, 2011
- Hoya Corporation
- Toshiaki Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Battery check device
- Patent number 7,555,212
- Issue date Jun 30, 2009
- Hoya Corporation
- Hiroyuki Takahashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Digital camera with a battery checking device
- Patent number 7,542,092
- Issue date Jun 2, 2009
- Hoya Corporation
- Yutaka Ohsawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Camera system with a photometering device and an external operating...
- Patent number 7,313,323
- Issue date Dec 25, 2007
- PENTAX Corporation
- Tadahisa Ohkura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flash control mechanism
- Patent number 7,035,536
- Issue date Apr 25, 2006
- PENTAX Corporation
- Tadahisa Ohkura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Remote control, auto-focus camera system
- Patent number 6,351,605
- Issue date Feb 26, 2002
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Mikio Ogi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Data-imprinting camera
- Patent number 6,167,205
- Issue date Dec 26, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Kiyoshi Kawano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Roll-film camera
- Patent number 6,157,785
- Issue date Dec 5, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Kiyoshi Kawano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Setting apparatus for camera
- Patent number 6,122,451
- Issue date Sep 19, 2000
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yutaka Ohsawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera having motor driven mechanism
- Patent number 5,887,210
- Issue date Mar 23, 1999
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshiyuki Kitazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Representation of depth of field in camera
- Patent number 5,621,495
- Issue date Apr 15, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masato Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Representation of depth of field in camera
- Patent number 5,510,875
- Issue date Apr 23, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masato Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Data communication method between circuits
- Patent number 5,467,200
- Issue date Nov 14, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Yutaka Ohsawa
- G08 - SIGNALLING
Information Patent Grant
Data communication method between circuits
- Patent number 5,365,350
- Issue date Nov 15, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Kawasaki
- G08 - SIGNALLING
Information Patent Grant
Data communication method between circuits
- Patent number 5,283,663
- Issue date Feb 1, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Kawasaki
- G08 - SIGNALLING
Information Patent Grant
Interchangeable camera and interchangeable flash device
- Patent number 5,034,769
- Issue date Jul 23, 1991
- Asahi Kogaku Kogyo K.K.
- Satoshi Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Control apparatus of single-lens reflex camera
- Patent number 5,025,276
- Issue date Jun 18, 1991
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Toshiyuki Kitazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Representation of depth of field in camera
- Patent number 5,019,852
- Issue date May 28, 1991
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masato Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera having selective functions
- Patent number 4,999,661
- Issue date Mar 12, 1991
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Fuminori Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electric power supply control device for camera
- Patent number 4,933,704
- Issue date Jun 12, 1990
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Satoshi Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electric power supply control device for camera
- Patent number 4,872,069
- Issue date Oct 3, 1989
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Satoshi Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stop-down signal adjusting circuit in automatic aperture control ca...
- Patent number 4,831,400
- Issue date May 16, 1989
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Satoshi Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photo-electric conversion circuit
- Patent number 4,806,748
- Issue date Feb 21, 1989
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Satoshi Takami
- G01 - MEASURING TESTING
Information Patent Grant
Photelectric amplifier having plural actuable feedback paths
- Patent number 4,789,777
- Issue date Dec 6, 1988
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Satoshi Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film rewinding device for camera
- Patent number 4,737,807
- Issue date Apr 12, 1988
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Satoshi Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DIAPHRAGM CONTROL APPARATUS OF INTERCHANGEABLE LENS CAMERA
- Publication number 20130195436
- Publication date Aug 1, 2013
- Pentax Ricoh Imaging Company, Ltd.
- Toshiaki YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DIAPHRAGM CONTROL APPARATUS OF INTERCHANGEABLE LENS CAMERA
- Publication number 20100329659
- Publication date Dec 30, 2010
- HOYA CORPORATION
- Toshiaki YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DIAPHRAGM CONTROL APPARATUS OF INTERCHANGEABLE LENS CAMERA
- Publication number 20100329665
- Publication date Dec 30, 2010
- HOYA CORPORATION
- Toshiaki YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DIAPHRAGM CONTROL APPARATUS OF INTERCHANGEABLE LENS CAMERA
- Publication number 20100329658
- Publication date Dec 30, 2010
- HOYA CORPORATION
- Toshiaki YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEQUENTIAL SHOOTING CONTROLLER
- Publication number 20100073553
- Publication date Mar 25, 2010
- HOYA CORPORATION,
- Shinichi KAKIUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BATTERY CHECK DEVICE
- Publication number 20060291848
- Publication date Dec 28, 2006
- PENTAX CORPORATION
- Hiroyuki TAKAHASHI
- G01 - MEASURING TESTING
Information Patent Application
Digital camera
- Publication number 20050219406
- Publication date Oct 6, 2005
- PENTAX CORPORATION
- Yutaka Ohsawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Camera system
- Publication number 20050141890
- Publication date Jun 30, 2005
- PENTAX CORPORATION
- Tadahisa Ohkura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Flash control mechanism
- Publication number 20040218915
- Publication date Nov 4, 2004
- PENTAX CORPORATION
- Tadahisa Ohkura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yutaka Ohsawa

Person

Patents Grantslast 30 patents

Diaphragm control apparatus of interchangeable lens camera

Sequential shooting controller

Diaphragm control apparatus of interchangeable lens camera

Diaphragm control apparatus of interchangeable lens camera

Diaphragm control apparatus of interchangeable lens camera

Battery check device

Digital camera with a battery checking device

Camera system with a photometering device and an external operating...

Flash control mechanism

Remote control, auto-focus camera system

Data-imprinting camera

Roll-film camera

Setting apparatus for camera

Camera having motor driven mechanism

Representation of depth of field in camera

Representation of depth of field in camera

Data communication method between circuits

Data communication method between circuits

Data communication method between circuits

Interchangeable camera and interchangeable flash device

Control apparatus of single-lens reflex camera

Representation of depth of field in camera

Camera having selective functions

Electric power supply control device for camera

Electric power supply control device for camera

Stop-down signal adjusting circuit in automatic aperture control ca...

Photo-electric conversion circuit

Photelectric amplifier having plural actuable feedback paths

Film rewinding device for camera

Patents Applicationslast 30 patents

DIAPHRAGM CONTROL APPARATUS OF INTERCHANGEABLE LENS CAMERA

DIAPHRAGM CONTROL APPARATUS OF INTERCHANGEABLE LENS CAMERA

DIAPHRAGM CONTROL APPARATUS OF INTERCHANGEABLE LENS CAMERA

DIAPHRAGM CONTROL APPARATUS OF INTERCHANGEABLE LENS CAMERA

SEQUENTIAL SHOOTING CONTROLLER

BATTERY CHECK DEVICE

Digital camera

Camera system

Flash control mechanism