US Patent 7800029 Heating device
Patent 7800029 was granted and assigned to NGK Insulators on September, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A heating device includes a high-frequency electrode embedded substantially in parallel with a heating surface of a ceramics base in the vicinity of the heating surface. A conducting hole toward this high-frequency electrode is formed in a back face of the ceramics base. This high-frequency electrode has a trapezoidal cone-like concave section toward the conducting hole at a region opposed to the conducting hole.
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Patent Inventor Names
Masao Nishioka0
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US Patent 07800029 Heating device US Patent 7800029 Heating device
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Patent Number
078000290
Patent Number
78000290
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
078000290
Date of Patent
September 21, 2010
0Patent Application Number
116879000
Date Filed
March 19, 2007
0Official Website
Patent Primary Examiner
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US Patent 07800029 Heating device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07800029
Date of patent
September 21, 2010
Patent application number
11687900
Date Filed
March 19, 2007
Patent primary examiner
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