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Masamitsu Ozawa
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image sensor, focal point detection device and camera
Patent number
7,701,502
Issue date
Apr 20, 2010
Nikon Corporation
Masamitsu Ozawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Focal point detection apparatus and focal point detection module
Patent number
6,766,112
Issue date
Jul 20, 2004
Nikon Corporation
Chiyuki Kuwata
G02 - OPTICS
Information
Patent Grant
Camera and focal point detection apparatus
Patent number
6,643,460
Issue date
Nov 4, 2003
Nikon Corporation
Shigeyuki Uchiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Focal point detection apparatus
Patent number
6,239,912
Issue date
May 29, 2001
Nikon Corporation
Masamitsu Ozawa
G02 - OPTICS
Information
Patent Grant
Focus adjustment device and method
Patent number
5,628,036
Issue date
May 6, 1997
Nikon Corporation
Masamitsu Ozawa
G02 - OPTICS
Information
Patent Grant
Focus state detection device and method
Patent number
5,625,849
Issue date
Apr 29, 1997
Nikon Corporation
Masamitsu Ozawa
G02 - OPTICS
Information
Patent Grant
Focus state detection device
Patent number
5,604,561
Issue date
Feb 18, 1997
Nikon Corporation
Masamitsu Ozawa
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Image sensor, focal point detection device and camera
Publication number
20060133790
Publication date
Jun 22, 2006
Nikon Corporation
Masamitsu Ozawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Focal point detection apparatus and focal point detection module
Publication number
20020136550
Publication date
Sep 26, 2002
Nikon Corporation
Chiyuki Kuwata
G02 - OPTICS
Information
Patent Application
Camera and focal point detection apparatus
Publication number
20020025155
Publication date
Feb 28, 2002
Shigeyuki Uchiyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Focal point detection apparatus and focal point detection module
Publication number
20020025156
Publication date
Feb 28, 2002
NIKON CORPORATION
Chiyuki Kuwata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY