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:
Nov. 29, 1994
Filed:
Sep. 26, 1991
Applicant:
Inventors:
Hirofumi Kamitakahara, Yokohama, JP;
Hitoshi Yoshino, Kawasaki, JP;
Osamu Kanome, Yokohama, JP;
Tetsuya Sato, Kawasaki, JP;
Hisanori Hayashi, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29D / ;
U.S. Cl.
CPC ...
264-133 ; 264107 ; 2642102 ; 264284 ; 425327 ; 425363 ; 425385 ;
Abstract
A method for molding a substrate sheet for an optical recording medium by transferring a preformat pattern from a molding roll to a resin sheet molded by melting and extruding a resin. The molding roll has a roll base, a stamper detachably fixed on the peripheral surface of the roll base, and a resin layer interposed between the roll base and the stamper.
Kamitakahara, Hirofumi. (1994). Method for forming substrate sheet for optical recording medium (U.S. Patent No. 5368789). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5368789
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile