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:
May. 22, 2012
Filed:
Oct. 27, 2009
Applicants:
Makoto Kuribayashi, Aichi, JP;
Hironori Uegaki, Aichi, JP;
Toshitaka Honda, Aichi, JP;
Hirokazu Kurono, Aichi, JP;
Inventors:
Makoto Kuribayashi, Aichi, JP;
Hironori Uegaki, Aichi, JP;
Toshitaka Honda, Aichi, JP;
Hirokazu Kurono, Aichi, JP;
Assignee:
NGK Spark Plug Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 13/02 (2006.01); H01T 21/02 (2006.01); C04B 35/10 (2006.01); C04B 35/04 (2006.01); C04B 35/14 (2006.01); C04B 35/03 (2006.01);
U.S. Cl.
CPC ...
Abstract
An alumina-based sintered body for a spark plug having enhanced mechanical strength and a method of manufacturing the same, as well as a spark plug having the alumina-based sintered body for a spark plug and a method of manufacturing the same.