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Akira Ogasawara
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Patents Grants
last 30 patents
Information
Patent Grant
Photography system, camera, and photography illumination device
Patent number
9,185,305
Issue date
Nov 10, 2015
Nikon Corporation
Akira Ogasawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
External device operable in synchronization with camera wirelessly...
Patent number
8,854,536
Issue date
Oct 7, 2014
Nikon Corporation
Akira Ogasawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information communication device and external device
Patent number
7,945,154
Issue date
May 17, 2011
Nikon Corporation
Akira Ogasawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light emission control circuit of flash device
Patent number
7,756,412
Issue date
Jul 13, 2010
Nikon Corporation
Akira Ogasawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flash control device and flash control system
Patent number
6,795,647
Issue date
Sep 21, 2004
Nikon Corporation
Hiroyuki Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photographing system and photographic information transmission system
Patent number
6,748,165
Issue date
Jun 8, 2004
Nikon Corporation
Akira Ogasawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electric flash device predicting quantity of overrun light accordin...
Patent number
6,571,062
Issue date
May 27, 2003
Nikon Corporation
Akira Ogasawara
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Digitizing circuit of light amount receiving from strobe and contro...
Patent number
6,295,413
Issue date
Sep 25, 2001
Nikon Corporation
Akira Ogasawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Automatic focus adjustment apparatus
Patent number
5,862,417
Issue date
Jan 19, 1999
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Diaphragm controlling device for a camera
Patent number
5,768,639
Issue date
Jun 16, 1998
Nikon Corporation
Akira Ogasawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image sensor
Patent number
5,652,664
Issue date
Jul 29, 1997
Nikon Corporation
Yosuke Kusaka
G02 - OPTICS
Information
Patent Grant
Automatic focus adjustment device and method
Patent number
5,600,398
Issue date
Feb 4, 1997
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Exposure control device of a camera and method
Patent number
5,594,715
Issue date
Jan 14, 1997
Nikon Corporation
Akira Ogasawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Auto-focusing device
Patent number
5,574,535
Issue date
Nov 12, 1996
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Focus detection device
Patent number
5,502,538
Issue date
Mar 26, 1996
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Automatic focus adjustment apparatus for moving object photography
Patent number
5,477,302
Issue date
Dec 19, 1995
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Focal point detection apparatus
Patent number
5,418,594
Issue date
May 23, 1995
Nikon Corporation
Yosuke Kusaka
G02 - OPTICS
Information
Patent Grant
Auto-focusing device
Patent number
5,270,763
Issue date
Dec 14, 1993
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Automatic focusing device of camera for moving object photography
Patent number
5,239,332
Issue date
Aug 24, 1993
Nikon Corporation
Masaru Muramatsu
G02 - OPTICS
Information
Patent Grant
Auto-focusing apparatus
Patent number
5,212,515
Issue date
May 18, 1993
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Automatic focusing apparatus
Patent number
5,189,459
Issue date
Feb 23, 1993
Nikon Corporation
Toshimi Watanabe
G02 - OPTICS
Information
Patent Grant
Control method for an auto focus apparatus
Patent number
5,177,525
Issue date
Jan 5, 1993
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Auto focus controlling system
Patent number
5,153,630
Issue date
Oct 6, 1992
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Information
Patent Grant
Drive controlling apparatus
Patent number
4,965,502
Issue date
Oct 23, 1990
Nikon Corporation
Akira Ogasawara
G05 - CONTROLLING REGULATING
Information
Patent Grant
Camera having an auto-focusing device
Patent number
4,841,324
Issue date
Jun 20, 1989
Nikon Corporation
Akira Ogasawara
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
PHOTOGRAPHY SYSTEM, CAMERA, AND PHOTOGRAPHY ILLUMINATION DEVICE
Publication number
20120230663
Publication date
Sep 13, 2012
Nikon Corporation
Akira Ogasawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Information communication device and external device
Publication number
20090185797
Publication date
Jul 23, 2009
Nikon Corporation
Akira Ogasawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
External device, electronic flash device, and camera
Publication number
20090135262
Publication date
May 28, 2009
Nikon Corporation
Akira Ogasawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light emission control circuit of flash device
Publication number
20070201856
Publication date
Aug 30, 2007
Nikon Corporation
Akira Ogasawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FLASH CONTROL DEVICE AND FLASH CONTROL SYSTEM
Publication number
20040151487
Publication date
Aug 5, 2004
Nikon Corporation
Hiroyuki Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Photographing system and photographic information transmission system
Publication number
20020127019
Publication date
Sep 12, 2002
Nikon Corporation
Akira Ogasawara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electronic flash device
Publication number
20010014216
Publication date
Aug 16, 2001
NIKON CORPORATION
Akira Ogasawara
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR