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. 18, 2025
Filed:
Oct. 24, 2022
Applicant:
Ngk Insulators, Ltd., Aichi, JP;
Inventors:
Michiaki Isoda, Nagoya, JP;
Kei Kosaka, Nagoya, JP;
Yosuke Noritake, Vernon Hills, IL (US);
Keita Kayano, Nagoya, JP;
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4077 (2013.01);
Abstract
A sensor element includes an element body, an upper connector electrode disposed on a first surface of the element body, and a protective layer that covers at least a front end-side part of the first surface. The protective layer includes a first specific protective layer having a thickness Tof 10 μm or less. The ratio T/Tof the thickness Tto the thickness Tof a front-side portion of the protective layer which faces the front end of the first specific protective layer is 1.0 or less.