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:
Mar. 18, 2025
Filed:
Mar. 26, 2021
Applicant:
Ngk Insulators, Ltd., Aichi, JP;
Inventors:
Soichiro Yoshida, Nagoya, JP;
Kunihiko Nakagaki, Nagoya, JP;
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); G01N 27/409 (2006.01); G01N 27/41 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4071 (2013.01); G01N 27/4072 (2013.01); G01N 27/409 (2013.01); G01N 27/41 (2013.01);
Abstract
A gas sensor includes a laminated body constituted by at least two ceramic layers laminated thereon, and having at least one gas introduction port, and at least one internal vacancy, and an outer side electrode formed on the laminated body, and provided in order to discharge oxygen from the internal vacancy, wherein a slit portion connected to an external space, and which is formed in the laminated body in covering relation to the outer side electrode, is interposed between the ceramic layers and the outer side electrode.