32 Utility Patents
#23 in Gifu, 501-32
#17,102 in Japan
#79,049 in the World
Forward Citations = 409
Company Filing History:


Ngk Spark Plug Cp. Ltd.
where one patent can have more than one assignee
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#23 in Gifu, 501-32
#17,102 in Japan
#79,049 in the World
Company Filing History:


Get your Inventor Badge Today