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:
Dec. 15, 2009
Filed:
Jan. 25, 2007
Yoshihito Mizoguchi, Nagoya, JP;
Yasuyuki Okimura, Nagoya, JP;
Takeshi Mitsuoka, Nagoya, JP;
Kazushige Ohbayashi, Nagoya, JP;
Yoshihito Mizoguchi, Nagoya, JP;
Yasuyuki Okimura, Nagoya, JP;
Takeshi Mitsuoka, Nagoya, JP;
Kazushige Ohbayashi, Nagoya, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A thermistor element includes a thermistor body and a reduction-resistant coating covering the thermistor body. The thermistor body contains a perovskite phase of perovskite-type crystal structure represented by the composition formula: ABOwhere A is at least one A-site element and B is at least one B-site element. The reduction-resistant coating is formed of a complex oxide containing one or more of the at least one A-site element and one or more of the at least one B-site element.