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:
Dec. 27, 1988
Filed:
Nov. 20, 1986
Applicant:
Inventor:
Shoji Akino, Yokosuka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425385 ; 101458 ; 20419216 ; 20419231 ; 425403 ; 425810 ;
Abstract
In a precision reproducing mold for forming a substrate of a recording medium on which information signals are recored, ions are implanted into a surface bearing precise pattern, of the reproducing mold. A process for producing such mold comprises a step of implanting ions into a surface, bearing precise patterns, of the metal which is electrolytically deposited onto an original plate and then separated therefrom.
Akino, Shoji. (1988). Reproduction mold for forming substrate for recording medium with (U.S. Patent No. 4793792). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4793792
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile