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:
Apr. 20, 2004
Filed:
Feb. 16, 2000
Applicant:
Inventors:
Ken Kutaragi, Kanagawa, JP;
Kazuo Miura, Kanagawa, JP;
Assignee:
Sony Computer Entertainment Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/100 ;
U.S. Cl.
CPC ...
G11B 1/100 ;
Abstract
An optical disk has a magnetic recording medium and/or magnetic playback medium. The magnetic substance carrying recording data is formed on the label side of the optical disk. The magnetic substance is formed as a pattern of a desired shape by silk screen printing using an ink containing a magnetic substance.
Kutaragi, Ken. (2004). Optical disk having readable information on both sides of the disk combination with an optical disk device (U.S. Patent No. 6724693). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6724693
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile