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:
May. 06, 1986
Filed:
Feb. 15, 1983
Applicant:
Inventors:
Takao Umeda, Hitachi, JP;
Takao Miyashita, Kumagaya, JP;
Yuzuru Shimazaki, Hitachi, JP;
Tatsuo Igawa, Kitaibaraki, JP;
Ken Sasaki, Mobara, JP;
Shigeru Matsuyama, Mobara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350337 ; 3503 / ;
Abstract
In a display panel consisting essentially of a pair of substrates whose opposed surfaces are equipped with transparent conductive layers and at least one of which consists of an organic polymer film, and of a display member interposed between said pair of substrates, the improvement wherein said organic polymer film is a uniaxially stretched polyester film.
Umeda, Takao. (1986). Display panel having uniaxially-stretched organic polymer film as the (U.S. Patent No. 4586790). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4586790
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile