19 Utility Patents
#158 in Tsukuba
#38,144 in Japan
#173,628 in the World
Forward Citations = 6
Company Filing History:
Tanaka Kikinzoku Kogyo K.k.

Tanaka Kikinzoku K.k.
where one patent can have more than one assignee
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#158 in Tsukuba
#38,144 in Japan
#173,628 in the World
Company Filing History:

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