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:
Nov. 04, 1980

Filed:

Apr. 28, 1978
Applicant:
Inventors:

Noboru Higuchi, Nagoya, JP;

Takayuki Ogasawara, Konan, JP;

Shoji Seike, Nagoya, JP;

Assignee:

NGK Insulators, Ltd., Nagoya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B / ; H01B / ;
U.S. Cl.
CPC ...
1741 / ; 1741 / ;
Abstract

An insulator with a tin oxide semiconductor glaze coating has a portion at least 100.mu. thick extending from the glaze surface in which the ratio of the maximum to the minimum volume resistivity is not more than 30. It is found that such glazes display marked improvement in resistance to deterioration under unfavorable conditions.


Find Patent Forward Citations

Higuchi, Noboru. (1980). Electrical insulator with semiconductive glaze (U.S. Patent No. 4232185). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4232185

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

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