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. 14, 1989
Filed:
Jul. 29, 1987
Norio Okuda, Kokubu, JP;
Noriyoshi Nakanishi, Hayato, JP;
Masahiro Yamamoto, Kokubu, JP;
Shinsuke Takenishi, Kokubu, JP;
Kenichiro Miyahara, Kokubu, JP;
Hiroaki Sonoda, Kagoshima, JP;
Masanobu Ishida, Kokubu, JP;
Kyocera Corporation, Kyoto, JP;
Abstract
A ceramic heater having a ceramic substrate, a heat-generating resistor disposed in the interior of the ceramic substrate or on the surface of the ceramic substrate and terminals connected to both the ends of the heat-generating resistor, wherein the ceramic substrate is composed of a sintered body of a nitride of an element selected from the group consisting of silicon and aluminum and the heat-generating resistor is composed of a ceramic layer containing titanium nitride (TiN) or tungsten carbide (WC).