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:
Oct. 21, 2008
Filed:
Apr. 01, 2003
Applicants:
Masato Hattori, Kanagawa, JP;
Seiji Ohbi, Tokyo, JP;
Takashi Kawakami, Tokyo, JP;
Manabu Kii, Tokyo, JP;
Inventors:
Masato Hattori, Kanagawa, JP;
Seiji Ohbi, Tokyo, JP;
Takashi Kawakami, Tokyo, JP;
Manabu Kii, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A recording method includes the steps of detecting whether unique information is recorded in a storage medium outside a predetermined area managed by a management data that manages data in a data area on a storage medium; generating unique information when in the detecting step no unique information is detected as being recorded in the storage medium; and recording the unique information when generated in the generating step to the storage medium outside the area managed by the management data.