Inventor
MATSUBARA KATSURA
JP8 patents
Patents
8 patentsUS6559579B2May 6, 2003
Alumina-based sintered body insulator for spark plugs
NGK SPARK PLUG CO40 citations92
US6657166B2Dec 2, 2003
Silicon nitride sintered material and production process thereof
NGK SPARK PLUG CO22 citations90
US7705273B2Apr 27, 2010
Ceramic heater, method of producing the same, and glow plug using a ceramic heater
NGK SPARK PLUG CO14 citations84
US7282670B2Oct 16, 2007
Ceramic heater and glow plug having the same
NGK SPARK PLUG CO10 citations84
US6563089B2May 13, 2003
Silicon nitride—tungsten carbide composite sintered material, production process therefor, and glow plug comprising the same
NGK SPARK PLUG CO17 citations84
US6621052B2Sep 16, 2003
Silicon nitride-tungsten carbide composite sintered material, process for preparing the same and glow plug
NGK SPARK PLUG CO10 citations73
US6069105AMay 30, 2000
Alumina-based sintered materials and process for producing the same
NGK SPARK PLUG CO14 citations69
US6849207B2Feb 1, 2005
Silicon nitride sintered material and production process thereof
NGK SPARK PLUG CO6 citations60