15 Utility Patents
#3 in Kounan
#53,119 in Japan
#246,860 in the World
Forward Citations = 54
Company Filing History:

Ngk Spark Plus Co., Ltd.
Nrk Spark Plug Co., Ltd.
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#3 in Kounan
#53,119 in Japan
#246,860 in the World
Company Filing History:

Get your Inventor Badge Today