60 Utility Patents
#88 in Nagoya
#5,369 in Japan
#27,473 in the World
Forward Citations = 623
Company Filing History:


Ngk Spark Pulg Co., Ltd.
where one patent can have more than one assignee
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#88 in Nagoya
#5,369 in Japan
#27,473 in the World
Company Filing History:


Get your Inventor Badge Today