6 Utility Patents
#23,630 in Tokyo
#133,810 in Japan
#647,267 in the World
Forward Citations = 11
Company Filing History:
Ishikawa Gasket Co., Ltd.
where one patent can have more than one assignee
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#23,630 in Tokyo
#133,810 in Japan
#647,267 in the World
Company Filing History:
Get your Inventor Badge Today