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:
Apr. 09, 2013
Filed:
Jan. 21, 2010
Tomoo Tanaka, Kitanagoya, JP;
Daisuke Sumoyama, Nagoya, JP;
Tomoo Tanaka, Kitanagoya, JP;
Daisuke Sumoyama, Nagoya, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A spark plughas a center electrode tipat an end portion of an electrode. The electrode tipcontains Pd as a main component in an amount greater than 40% by weight and contains at least one element of Ir, Ni, Co, and Fe such that Ir, if contained, is contained in an amount of 0.5% by weight to 20% by weight inclusive and at least one element of Ni, Co, and Fe, if contained, is contained in an amount of 0.5% by weight to 40% by weight inclusive on an element basis.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile