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:
Aug. 19, 2008
Filed:
Feb. 23, 2006
Yoshihiro Nakano, Aichi, JP;
Masahito Kida, Aichi, JP;
Shinichi Nakagawa, Aichi, JP;
Takio Kojima, Aichi, JP;
Yoshihiro Nakano, Aichi, JP;
Masahito Kida, Aichi, JP;
Shinichi Nakagawa, Aichi, JP;
Takio Kojima, Aichi, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
There is provided an oxidizing gas sensor that includes an insulating substrate, a gas sensing layer laminated on the insulating substrate and substantially made of tin oxide so as to make resistance changes in response to concentration variations in oxidizing gas and a plurality of catalyst grains applied to a surface of the gas sensing layer and substantially made of gold, wherein 20% or more of the catalyst grains have an aspect ratio of 2.0 or greater when viewed at from the surface of the gas sensing layer.