Inventor
NAKAMURA MAI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMURA MAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
5 patentsUS8033880B2Oct 11, 2011
Method for manufacturing spark plug
NGK SPARK PLUG CO2 citations62
US7923910B2Apr 12, 2011
Spark plug having a metallic shell with defined relationship between its outer and inner surfaces
NGK SPARK PLUG CO3 citations61
US9401586B1Jul 26, 2016
Spark plug
NGK SPARK PLUG CO2 citations60
US10608416B2Mar 31, 2020
Spark plug
NGK SPARK PLUG CO0 citations49
US8975809B2Mar 10, 2015
Spark plug
NGK SPARK PLUG CO1 citations49
NAKAMURA MAI
4 patentsUS8294347B2Oct 23, 2012
Spark plug having specific configuration of packing area
NAKAMURA MAI5 citations59
US8536771B2Sep 17, 2013
Surface for supporting a sheet packing in a spark plug
NAKAMURA MAI0 citations49
US8674592B2Mar 18, 2014
Spark plug having a crimp portion in the metal shell to firmly engage with the ceramic insulator
NAKAMURA MAI0 citations39
US8492964B2Jul 23, 2013
Spark plug and manufacturing method thereof
NAKAMURA MAI0 citations38