Inventor
SAJI TOSHIMASA
JP6 patents
Patents
6 patentsUS10193311B2Jan 29, 2019
Spark plug
NGK SPARK PLUG CO1 citations60
US8970098B1Mar 3, 2015
Ignition plug
NGK SPARK PLUG CO3 citations60
US9653888B2May 16, 2017
Spark plug
NGK SPARK PLUG CO1 citations49
US10879675B2Dec 29, 2020
Spark plug
NGK SPARK PLUG CO0 citations39
US9425585B2Aug 23, 2016
Insulator and spark plug
NGK SPARK PLUG CO0 citations39
US8928214B2Jan 6, 2015
Ignition plug
NGK SPARK PLUG CO0 citations39