15 Utility Patents
#3,332 in Yokohama
#53,292 in Japan
#247,890 in the World
Forward Citations = 99
Company Filing History:
Nippon Kokan Kabushiki Kaisha

Fuji Toyuki Kabushiki Kaisha
4. 1 out of 1
Asai Yushi Kogyo Kabushiki Kaisha
where one patent can have more than one assignee
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