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. 25, 2012
Filed:
Oct. 22, 2009
Applicant:
Satomi Kajiwara, Nagano, JP;
Inventor:
Satomi Kajiwara, Nagano, JP;
Assignee:
Fuji Electric Co., Ltd., Kawasaki-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 11/00 (2006.01); G11B 5/86 (2006.01);
U.S. Cl.
CPC ...
Abstract
A master disk for batch transferring of predetermined information recorded therein to a magnetic recording medium includes a substrate transmitting laser light, and convex portions provided on the substrate and formed of material reflecting or blocking the laser light. The convex portions have a pattern corresponding to the predetermined information.
Kajiwara, Satomi. (2012). Master disk for magnetic recording medium (U.S. Patent No. 8274865). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8274865
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile