Ceramic heater, glow plug, method of manufacturing ceramic heater and method of manufacturing glow plug

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United States of America Patent

PATENT NO 9655170
APP PUB NO 20150014302A1
SERIAL NO

14325846

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Abstract

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A ceramic heater wherein in at least one cross section of the ceramic heater orthogonal to the axial direction, a first resistor cross section has no protrusion on a first inner portion of the contour of a first resistor cross section, and has two or more protrusions on a first outer portion of the contour of the first resistor cross section and a method of manufacturing the ceramic heater.

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Patent Owner(s)

Patent OwnerAddress
NGK SPARK PLUG CO LTD1-1 HIGASHISAKURA 1-CHOME HIGASHI-KU NAGOYA-SHI AICHI 4610005 ?4610005

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikai, Yoshihito Aichi-ken, JP 6 44
Sekiguchi, Yutaka Aichi-ken, JP 17 198
Suzuki, Ryo Aichi-ken, JP 310 1888

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