Inventor

MITSUDA SHINYA

JP3 patents

Patents

3 patents

US8368293B2Feb 5, 2013

Spark plug and method of manufacturing the same

NGK SPARK PLUG CO0 citations45

US9742157B2Aug 22, 2017

Spark plug

NGK SPARK PLUG CO0 citations35

US9065255B2Jun 23, 2015

Spark plug and method of manufacturing the same

NGK SPARK PLUG CO0 citations33