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Katsumi Karasawa
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Patents Grants
last 30 patents
Information
Patent Grant
Focus detecting apparatus, lens apparatus including the same, image...
Patent number
9,444,993
Issue date
Sep 13, 2016
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focus detector, and lens apparatus and image pickup apparatus inclu...
Patent number
9,154,689
Issue date
Oct 6, 2015
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focus detecting apparatus, lens apparatus including the same, image...
Patent number
9,025,075
Issue date
May 5, 2015
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Focus detector, and lens apparatus and image pickup apparatus inclu...
Patent number
8,848,095
Issue date
Sep 30, 2014
Canon Kabushiki Kaisha
Katsumi Karasawa
G02 - OPTICS
Information
Patent Grant
Lens apparatus
Patent number
8,687,284
Issue date
Apr 1, 2014
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic focusing apparatus
Patent number
8,208,058
Issue date
Jun 26, 2012
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic focusing apparatus
Patent number
8,000,591
Issue date
Aug 16, 2011
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Lens apparatus, imaging apparatus, and automatic focusing control m...
Patent number
7,884,878
Issue date
Feb 8, 2011
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical apparatus and image-taking apparatus
Patent number
7,768,573
Issue date
Aug 3, 2010
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Camera system and lens apparatus
Patent number
7,755,695
Issue date
Jul 13, 2010
Canon Kabushiki Kaisha
Satoshi Natsume
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical apparatus with memories storing a default setting data and...
Patent number
7,268,818
Issue date
Sep 11, 2007
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing apparatus and method
Patent number
7,215,671
Issue date
May 8, 2007
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus
Patent number
6,731,816
Issue date
May 4, 2004
Canon Kabushiki Kaisha
Shingo Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus
Patent number
6,718,122
Issue date
Apr 6, 2004
Canon Kabushiki Kaisha
Yoshiki Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplexing apparatus and method and storage medium
Patent number
6,661,813
Issue date
Dec 9, 2003
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encoding apparatus and method and computer readable recording mediu...
Patent number
6,333,950
Issue date
Dec 25, 2001
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encoding image data in blocks read out in a predetermined order
Patent number
6,301,390
Issue date
Oct 9, 2001
Canon Kabushiki Kaisha
Shingo Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus
Patent number
6,263,107
Issue date
Jul 17, 2001
Canon Kabushiki Kaisha
Shingo Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coding/decoding apparatus
Patent number
6,052,814
Issue date
Apr 18, 2000
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus with two types of data format
Patent number
5,930,453
Issue date
Jul 27, 1999
Canon Kabushiki Kaisha
Tetsuya Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encoding apparatus
Patent number
5,784,112
Issue date
Jul 21, 1998
Canon Kabushiki Kaisha
Yoshimi Ogasawara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image signal reproducing apparatus
Patent number
5,561,529
Issue date
Oct 1, 1996
Canon Kabushiki Kaisha
Yasuyuki Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Error correction encoding and decoding system
Patent number
5,546,409
Issue date
Aug 13, 1996
Canon Kabushiki Kaisha
Katsumi Karasawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Reproducing apparatus for temporarily writing reproducing data into...
Patent number
5,483,389
Issue date
Jan 9, 1996
Canon Kabushiki Kaisha
Katsumi Karasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Data processing apparatus having error detection/correction codes
Patent number
5,436,917
Issue date
Jul 25, 1995
Canon Kabushiki Kaisha
Katsumi Karasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Error detection and/or correction device
Patent number
5,200,961
Issue date
Apr 6, 1993
Canon Kabushiki Kaisha
Katsumi Karasawa
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
FOCUS DETECTING APPARATUS, LENS APPARATUS INCLUDING THE SAME, IMAGE...
Publication number
20150237255
Publication date
Aug 20, 2015
Canon Kabushiki Kaisha
Katsumi KARASAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FOCUS DETECTOR, AND LENS APPARATUS AND IMAGE PICKUP APPARATUS INCLU...
Publication number
20140347550
Publication date
Nov 27, 2014
Katsumi KARASAWA
G02 - OPTICS
Information
Patent Application
FOCUS DETECTING APPARATUS, LENS APPARATUS INCLUDING THE SAME, IMAGE...
Publication number
20140104484
Publication date
Apr 17, 2014
Canon Kabushiki Kaisha
Katsumi KARASAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FOCUS DETECTOR, AND LENS APPARATUS AND IMAGE PICKUP APPARATUS INCLU...
Publication number
20130038779
Publication date
Feb 14, 2013
Canon Kabushiki Kaisha
Katsumi Karasawa
G02 - OPTICS
Information
Patent Application
LENS APPARATUS
Publication number
20110267706
Publication date
Nov 3, 2011
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTOMATIC FOCUSING APPARATUS
Publication number
20100278520
Publication date
Nov 4, 2010
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTOMATIC FOCUSING APPARATUS
Publication number
20100277639
Publication date
Nov 4, 2010
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL APPARATUS AND IMAGE-TAKING APPARATUS
Publication number
20070177045
Publication date
Aug 2, 2007
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Lens apparatus, imaging apparatus, and automatic focusing control m...
Publication number
20060244582
Publication date
Nov 2, 2006
Canon Kabushiki Kaisha
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Camera system and lens apparatus
Publication number
20050094023
Publication date
May 5, 2005
Satoshi Natsume
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical apparatus
Publication number
20040189826
Publication date
Sep 30, 2004
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multiplexing apparatus and method and storage medium
Publication number
20030112834
Publication date
Jun 19, 2003
Katsumi Karasawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image processing apparatus
Publication number
20020031273
Publication date
Mar 14, 2002
Shingo Ikeda
H04 - ELECTRIC COMMUNICATION TECHNIQUE