Inventor · disambiguated record
Katsura Matsubara
Also filed as: MATSUBARA KATSURA
8 granted patents·133 citations·filing 1999–2005
88Inventor score
Files withNGK SPARK PLUG CO8
Top patents by PatentIndex Score
8 records- 0194US6559579B2Alumina-based sintered body insulator for spark plugsNGK SPARK PLUG CO·Filed 2000·Granted May 6, 2003·40 cites·6 claims
- 0290US6657166B2Silicon nitride sintered material and production process thereofNGK SPARK PLUG CO·Filed 2002·Granted Dec 2, 2003·22 cites·22 claims
- 0384US7705273B2Ceramic heater, method of producing the same, and glow plug using a ceramic heaterNGK SPARK PLUG CO·Filed 2005·Granted Apr 27, 2010·14 cites·15 claims
- 0478US6563089B2Silicon nitride—tungsten carbide composite sintered material, production process therefor, and glow plug comprising the sameNGK SPARK PLUG CO·Filed 2002·Granted May 13, 2003·17 cites·10 claims
- 0569US6621052B2Silicon nitride-tungsten carbide composite sintered material, process for preparing the same and glow plugNGK SPARK PLUG CO·Filed 2001·Granted Sep 16, 2003·10 cites·12 claims
- 0664US7282670B2Ceramic heater and glow plug having the sameNGK SPARK PLUG CO·Filed 2003·Granted Oct 16, 2007·10 cites·9 claims
- 0761US6849207B2Silicon nitride sintered material and production process thereofNGK SPARK PLUG CO·Filed 2001·Granted Feb 1, 2005·6 cites·5 claims
- 0854US6069105AAlumina-based sintered materials and process for producing the sameNGK SPARK PLUG CO·Filed 1999·Granted May 30, 2000·14 cites·10 claims
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