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:
Sep. 02, 2014
Filed:
Aug. 24, 2011
Masahiro Tokuda, Nagoya, JP;
Takashi Egami, Nagoya, JP;
Takeshi Sakuma, Nagoya, JP;
Atsuo Kondo, Nagoya, JP;
Masanobu Miki, Wako, JP;
Keizo Iwama, Wako, JP;
Tatsuya Okayama, Wako, JP;
Masahiro Tokuda, Nagoya, JP;
Takashi Egami, Nagoya, JP;
Takeshi Sakuma, Nagoya, JP;
Atsuo Kondo, Nagoya, JP;
Masanobu Miki, Wako, JP;
Keizo Iwama, Wako, JP;
Tatsuya Okayama, Wako, JP;
NGK Insulators, Ltd., Nagoya, JP;
Honda Motor Co., Ltd., Minato-Ku, JP;
Abstract
A particulate matter detection device of the present invention includes a plate-like element base material, and a pair of measurement electrodes arranged in the element base material, each of the measurement electrodes is a combteeth-like electrode including a plurality of planarly arranged combteeth portions, and a comb spine portion which connects the plurality of combteeth portions of each of the measurement electrodes to one another at one end of each of the plurality of combteeth portions, the combteeth portions of the measurement electrodes are arranged to engage with each other with a space being left therebetween, and the comb spine portion of at least one of the measurement electrodes is covered with a comb spine covering portion made of a dielectric material.