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:
Jun. 15, 2004
Filed:
Feb. 01, 2001
Applicant:
Inventors:
Seiji Umemoto, Osaka, JP;
Toshihiko Ariyoshi, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 ; G02B 6/06 ; F21V 8/00 ;
U.S. Cl.
CPC ...
G02B 5/02 ; G02B 6/06 ; F21V 8/00 ;
Abstract
An optical film including a transparent film having a hard coating layer provided on one side thereof, the hard coating layer including a repetitive prismatic structure having formed therein optical-path changing slopes oriented substantially toward certain directions at an angle of 35 to 48 degrees relative to the transparent film, and an adhesive layer laid on the other surface of the transparent film.
Umemoto, Seiji. (2004). Optical film (U.S. Patent No. 6751023). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6751023
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile