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Tochigi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image shake correction apparatus having exposed damping member and...
Patent number
9,804,407
Issue date
Oct 31, 2017
Canon Kabushiki Kaisha
Takuji Umezu
G02 - OPTICS
Information
Patent Grant
Image pickup apparatus
Patent number
8,957,980
Issue date
Feb 17, 2015
Canon Kabushiki Kaisha
Atsushi Okuyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Lens barrel and optical apparatus including the same
Patent number
8,634,138
Issue date
Jan 21, 2014
Canon Kabushiki Kaisha
Takuji Umezu
G02 - OPTICS
Information
Patent Grant
Lens barrel with optical filter and optical apparatus having the same
Patent number
8,437,094
Issue date
May 7, 2013
Canon Kabushiki Kaisha
Takuji Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image degradation prevention optical apparatus
Patent number
8,120,865
Issue date
Feb 21, 2012
Canon Kabushiki Kaisha
Takuji Umezu
G02 - OPTICS
Information
Patent Grant
Light-quantity adjusting apparatus, optical apparatus, and camera
Patent number
7,477,313
Issue date
Jan 13, 2009
Canon Kabushiki Kaisha
Takuji Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical apparatus including efficiently arranged shake correction m...
Patent number
7,460,775
Issue date
Dec 2, 2008
Canon Kabushiki Kaisha
Takuji Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical apparatus
Patent number
7,253,976
Issue date
Aug 7, 2007
Canon Kabushiki Kaisha
Takuji Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical apparatus
Patent number
7,154,682
Issue date
Dec 26, 2006
Canon Kabushiki Kaisha
Takuji Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
IMAGE SHAKE CORRECTION APPARATUS, AND OPTICAL DEVICE USING THE SAME
Publication number
20140098421
Publication date
Apr 10, 2014
Canon Kabushiki Kaisha
Takuji UMEZU
G02 - OPTICS
Information
Patent Application
IMAGE PICKUP APPARATUS
Publication number
20130215285
Publication date
Aug 22, 2013
Canon Kabushiki Kaisha
Atsushi Okuyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LENS BARREL WITH OPTICAL FILTER AND OPTICAL APPARATUS HAVING THE SAME
Publication number
20120105984
Publication date
May 3, 2012
Canon Kabushiki Kaisha
Takuji UMEZU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LENS BARREL AND OPTICAL APPARATUS INCLUDING THE SAME
Publication number
20120050866
Publication date
Mar 1, 2012
Canon Kabushiki Kaisha
Takuji Umezu
G02 - OPTICS
Information
Patent Application
OPTICAL APPARATUS
Publication number
20080037092
Publication date
Feb 14, 2008
Takuji Umezu
G02 - OPTICS
Information
Patent Application
OPTICAL APPARATUS
Publication number
20070091478
Publication date
Apr 26, 2007
Canon Kabushiki Kaisha
Takuji Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical apparatus
Publication number
20050219718
Publication date
Oct 6, 2005
Canon Kabushiki Kaisha
Takuji Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light-quantity adjusting apparatus, optical apparatus, and camera
Publication number
20050073604
Publication date
Apr 7, 2005
Takuji Umezu
H04 - ELECTRIC COMMUNICATION TECHNIQUE