Inventor · disambiguated record
Katsunari Ninomiya
Also filed as: NINOMIYA KATSUNARI
5 granted patents·32 citations·filing 2000–2004
78Inventor score
Files withNGK SPARK PLUG CO5
Top patents by PatentIndex Score
5 records- 0186US6236148B1Spark plug with specific metal shell coatingNGK SPARK PLUG CO·Filed 2000·Granted May 22, 2001·18 cites·8 claims
- 0267US7122947B2Glow plug and spark plug, and manufacturing method thereforNGK SPARK PLUG CO·Filed 2004·Granted Oct 17, 2006·7 cites·7 claims
- 0366US6437493B2Glow plug and spark plug, and manufacturing method thereforNGK SPARK PLUG CO·Filed 2001·Granted Aug 20, 2002·5 cites·12 claims
- 0442US6791245B2Glow plug and spark plug, and manufacturing method thereforNGK SPARK PLUG CO·Filed 2002·Granted Sep 14, 2004·0 cites·5 claims
- 0542US6699089B2Sheathed glow plug and method of manufacturing the sameNGK SPARK PLUG CO·Filed 2001·Granted Mar 2, 2004·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →