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.

Date of Patent:
Dec. 26, 1989

Filed:

Jun. 27, 1989
Applicant:
Inventors:

Kazumi Naitoh, Yokohama, JP;

Yoshiaki Arakawa, Yokohama, JP;

Takashi Ikezaki, Atsugi, JP;

Shoji Yabe, Kawasaki, JP;

Yutaka Yokoyama, Fussa, JP;

Yuichi Hamaguchi, Oume, JP;

Yasunobu Roppongi, Oume, JP;

Yuichi Hamaguchi, , US;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; H01G / ;
U.S. Cl.
CPC ...
295701 ;
Abstract

Disclosed is a solid electrolytic capacitor having a roll-form capacitor element. The capacitor element has a coated structure comprising a valve metal positive electrode substrate having a dielectric oxide layer on the surface thereof, a semiconductor layer formed on the dielectric oxide layer and an electroconductive layer formed on the semiconductor layer.


Find Patent Forward Citations

Naitoh, Kazumi. (1989). Roll type solid electrolyte capacitor (U.S. Patent No. 4889536). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4889536

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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