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:
Nov. 02, 2004
Filed:
May. 30, 2002
Applicant:
Inventors:
Hiroki Fujita, Komaki, JP;
Tetsuo Yamada, Kasugai, JP;
Satoshi Sugaya, Kounan, JP;
Kenji Kato, Nagoya, JP;
Noboru Ishida, Kagamigahara, JP;
Takafumi Oshima, Nagoya, JP;
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C 7/00 ;
U.S. Cl.
CPC ...
H01C 7/00 ;
Abstract
A humidity sensor comprising an insulating substrate, a detection electrodes and a moisture-sensitive layer, wherein the moisture-sensitive layer is a porous layer and has a thickness not greater than 200 &mgr;m.