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YUSUKE OHMURA
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YOKOHAMA-SHI, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Fresnel lens and injection mold
Patent number
8,184,386
Issue date
May 22, 2012
Canon Kabushiki Kaisha
Shuusuke Tobita
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Image-taking apparatus
Patent number
7,474,349
Issue date
Jan 6, 2009
Canon Kabushiki Kaisha
Yusuke Ohmura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focus detecting apparatus
Patent number
7,283,737
Issue date
Oct 16, 2007
Canon Kabushiki Kaisha
Yusuke Ohmura
G02 - OPTICS
Information
Patent Grant
Microlens array, optical apparatus, single lens reflex camera and o...
Patent number
6,836,619
Issue date
Dec 28, 2004
Canon Kabushiki Kaisha
Yusuke Ohmura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Focus detecting device
Patent number
6,272,291
Issue date
Aug 7, 2001
Canon Kabushiki Kaisha
Yusuke Ohmura
G02 - OPTICS
Information
Patent Grant
Focus detecting device
Patent number
6,088,537
Issue date
Jul 11, 2000
Canon Kabushiki Kaisha
Keiji Ohtaka
G02 - OPTICS
Information
Patent Grant
Viewfinder system and single-lens reflex camera having the same
Patent number
5,893,650
Issue date
Apr 13, 1999
Canon Kabushiki Kaisha
Yusuke Ohmura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-projecting system for automatic focus detection
Patent number
5,850,578
Issue date
Dec 15, 1998
Canon Kabushiki Kaisha
Yusuke Ohmura
G02 - OPTICS
Information
Patent Grant
Focus detection device for objective lens
Patent number
5,797,049
Issue date
Aug 18, 1998
Canon Kabushiki Kaisha
Keiji Ohtaka
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
FRESNEL LENS AND INJECTION MOLD
Publication number
20100165489
Publication date
Jul 1, 2010
Canon Kabushiki Kaisha
Shuusuke Tobita
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Focus detecting apparatus
Publication number
20050147403
Publication date
Jul 7, 2005
Yusuke Ohmura
G02 - OPTICS
Information
Patent Application
Image-taking apparatus
Publication number
20040135896
Publication date
Jul 15, 2004
Yusuke Ohmura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Microlens array, optical apparatus, single lens reflex camera and o...
Publication number
20030002871
Publication date
Jan 2, 2003
Yusuke Ohmura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FOCUS DETECTING DEVICE
Publication number
20010003556
Publication date
Jun 14, 2001
YUSUKE OHMURA
G02 - OPTICS