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. 28, 1984
Filed:
Jun. 01, 1981
Applicant:
Inventors:
Yosuke Takahashi, Sagamihara, JP;
Hideki Akasaka, Yokohama, JP;
Toshikatsu Kasui, Tokyo, JP;
Tatsuo Niwa, Kawasaki, JP;
Tsuneo Sukegawa, Kawasaki, JP;
Assignee:
Nippon Kogaku K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350357 ; 340785 ;
Abstract
An improvement in an all solid type electrochromic display element comprising a first electrode, a first oxidation-reduction reaction film layer, an insulating film layer, a second oxidation-reduction reaction film layer and a second electrode laminated in this order. The improvement is characterized in that only one of the first and second oxidation-reduction film layers is patterned.
Takahashi, Yosuke. (1984). All solid type electrochromic display element (U.S. Patent No. 4433901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4433901
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile