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:
Apr. 02, 1985
Filed:
Feb. 04, 1982
Applicant:
Inventor:
Yuji Harada, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350337 ; 3503 / ;
Abstract
An electro-optic device comprising a polarizing plate or a polarizing film is characterized in that said electro-optic device is provided with a plurality of projections on at least one of the surface of the polarizing plate or the polarizing film opposing to a substrate, and the surface of the substrate opposing to the polarizing plate or film.
Harada, Yuji. (1985). Ink projections on the polarizer of an electro-optic display (U.S. Patent No. 4508428). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4508428
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile