Tokyo
Japan
2
2006-12-21
2
2007-09-25
These are the the leading inventors for applications assigned to NGK Spark Plug Co., Ltd.:
NGK Spark Plug Co., Ltd. based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Spark plug having combustion pressure detecting function
#2 | 2005-04-07 ✅ Patent 7,332,231 granted on 2008-02-19Ceramic substrate for thin film electronic component, production method for the same and thin film electronic component using the same
399301 ⎘