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:
Sep. 28, 2010
Filed:
Jul. 10, 2008
Applicant:
Tadahiro Kuwa, Tsukuga-gun, JP;
Inventor:
Tadahiro Kuwa, Tsukuga-gun, JP;
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lens has a flange part at the outer periphery of its surface. A flange surface of the flange part is higher than the lens surface. The flange surface has a marking to identify a production jig, for example.
Kuwa, Tadahiro. (2010). Plastic lens, manufacturing method thereof, production tracing management method thereof, and optical pickup device (U.S. Patent No. 7803291). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7803291
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile