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Sayoko Amano
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Utsunomiya-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Anti-reflection film and optical element having the same
Patent number
9,709,705
Issue date
Jul 18, 2017
Canon Kabushiki Kaisha
Sayoko Amano
G02 - OPTICS
Information
Patent Grant
Optical element, and optical system and optical apparatus using same
Patent number
9,417,361
Issue date
Aug 16, 2016
Canon Kabushiki Kaisha
Sayoko Amano
G02 - OPTICS
Information
Patent Grant
Optical system and image pickup apparatus having same
Patent number
8,279,526
Issue date
Oct 2, 2012
Canon Kabushiki Kaisha
Kazuhiko Momoki
G02 - OPTICS
Information
Patent Grant
ND filter
Patent number
7,710,670
Issue date
May 4, 2010
Canon Kabushiki Kaisha
Susumu Abe
G02 - OPTICS
Information
Patent Grant
Neutral density (ND) filter
Patent number
5,715,103
Issue date
Feb 3, 1998
Canon Kabushiki Kaisha
Sayoko Amano
G02 - OPTICS
Information
Patent Grant
Single lens reflex camera
Patent number
4,615,603
Issue date
Oct 7, 1986
Canon Kabushiki Kaisha
Nozomu Kitagishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for preventing reflection
Patent number
4,294,890
Issue date
Oct 13, 1981
Canon Kabushiki Kaisha
Susumu Ito
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
ANTI-REFLECTION FILM AND OPTICAL ELEMENT HAVING THE SAME
Publication number
20150009570
Publication date
Jan 8, 2015
Canon Kabushiki Kaisha
Sayoko Amano
G02 - OPTICS
Information
Patent Application
OPTICAL ELEMENT HAVING ANTIREFLECTIVE FILM, OPTICAL SYSTEM, AND OPT...
Publication number
20140133032
Publication date
May 15, 2014
Canon Kabushiki Kaisha
Sayoko Amano
B82 - NANO-TECHNOLOGY
Information
Patent Application
OPTICAL ELEMENT, AND OPTICAL SYSTEM AND OPTICAL APPARATUS USING SAME
Publication number
20130034711
Publication date
Feb 7, 2013
Canon Kabushiki Kaisha
Sayoko Amano
G02 - OPTICS
Information
Patent Application
OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS HAVING SAME
Publication number
20090067053
Publication date
Mar 12, 2009
Canon Kabushiki Kaisha
Kazuhiko Momoki
G02 - OPTICS
Information
Patent Application
ND FILTER
Publication number
20070183069
Publication date
Aug 9, 2007
Canon Kabushiki Kaisha
Susumu ABE
G02 - OPTICS