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. 01, 2001
Filed:
Dec. 29, 1998
Applicant:
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/68 ; H05B 3/44 ;
U.S. Cl.
CPC ...
H05B 3/68 ; H05B 3/44 ;
Abstract
A ceramic heater includes a ceramic substrate having a heating surface, and a resistance heating element buried inside the ceramic substrate, wherein at least a part of the resistance heating element is constituted by a conductive network member, and a ceramic material constituting the ceramic substrate is filled in meshes of the network member.