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Susumu Abe
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Kanagawa, JP
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last 30 patents
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Patent Grant
Optical element and method for producing the same
Patent number
10,353,117
Issue date
Jul 16, 2019
Canon Kabushiki Kaisha
Susumu Abe
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
Light amount adjusting device, and optical device using the light a...
Patent number
7,042,662
Issue date
May 9, 2006
Canon Kabushiki Kaisha
Yasunori Murata
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
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL ELEMENT AND METHOD FOR PRODUCING THE SAME
Publication number
20170212278
Publication date
Jul 27, 2017
Canon Kabushiki Kaisha
Susumu Abe
G02 - OPTICS
Information
Patent Application
ND FILTER
Publication number
20070183069
Publication date
Aug 9, 2007
Canon Kabushiki Kaisha
Susumu ABE
G02 - OPTICS
Information
Patent Application
Light amount adjusting device, and optical device using the light a...
Publication number
20040135921
Publication date
Jul 15, 2004
Yasunori Murata
G02 - OPTICS