The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 2015
Filed:
May. 20, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Daigo Kobayashi, Tokyo, JP;
Wataru Kikuchi, Warabi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01); G02B 3/00 (2006.01); B29D 11/00 (2006.01); B29C 45/16 (2006.01);
U.S. Cl.
CPC ...
G02B 3/00 (2013.01); B29D 11/00009 (2013.01); B29D 11/0073 (2013.01); B29C 45/16 (2013.01);
Abstract
A plastic optical element includes a member and covering portions formed on a first surface and a second surface of the member. A projecting portion made of a material out of which the member is made and a material out of which the covering portions are made is formed on a part of a side surface of the member, and the covering portion of the first surface and the covering portion of the second surface are connected to each other through the projecting portion.