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. 27, 2005
Filed:
Feb. 20, 2003
Applicant:
Hirotoshi Ohno, Yokohama, JP;
Inventor:
Hirotoshi Ohno, Yokohama, JP;
Assignee:
Victor Company of Japan, Limited, Yokohama, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B007/00 ;
U.S. Cl.
CPC ...
Abstract
There is disclosed an optical recording medium comprising: a transparent resin substrate on which a groove and a land between the grooves disposed adjacent to each other are formed beforehand, wherein recording position information indicating a recording position with respect to an information signal is recorded beforehand on at least one of the groove and land, and a metal reflective film and protective film are successively formed on the groove and land.
Ohno, Hirotoshi. (2005). Optical recording medium and recording method onto the optical recording medium (U.S. Patent No. 6950386). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6950386
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