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:
Apr. 29, 2003
Filed:
Jun. 20, 2001
Applicant:
Inventors:
Ryuji Inoue, Gifu, JP;
Shoji Kitanoya, Aichi, JP;
Kenji Kato, Aichi, JP;
Tomohiro Fuma, Aichi, JP;
Takafumi Oshima, Aichi, JP;
Assignee:
NGK Spark Plug Co., Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/7407 ; B22F 7/04 ; C04B 3/564 ;
U.S. Cl.
CPC ...
G01N 2/7407 ; B22F 7/04 ; C04B 3/564 ;
Abstract
A method of manufacturing a gas sensor, including a substrate electrode layer forming step, and a surface electrode layer forming step. The gas sensor includes first and second processing spaces, an oxygen concentration detection element, an oxygen pumping element, an oxidation catalyst and a combustible gas component concentration detection element.