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:
Feb. 14, 1995
Filed:
Jul. 06, 1993
Applicant:
Inventors:
Haruyuki Yanagi, Yokohama, JP;
Nobuo Minoura, Yokohama, JP;
Katsumi Kurematsu, Kawasaki, JP;
Hideaki Mitsutake, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; B29D / ;
U.S. Cl.
CPC ...
359742 ; 359900 ; 264-25 ; 425808 ;
Abstract
An eccentric Fresnel lens is formed from a concentric Fresnel lens sheet or Fresnel lens sheet mold. The concentric Fresnel lens sheet or mold is cut to produce an eccentric Fresnel lens having a center offset from the optical axis of the concentric Fresnel lens.
Quick Actions:
Yanagi, Haruyuki. (1995). Eccentric fresnel lens sheet and method of making same (U.S. Patent No. 5390050). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5390050
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile