20 Utility Patents
#17 in Yao
#35,028 in Japan
#157,837 in the World
Forward Citations = 70
Company Filing History:
Koyo Seiko Company, Ltd.
Nippon Steel & Sumitomo Metal Corporation
Get your Inventor Badge Today
#17 in Yao
#35,028 in Japan
#157,837 in the World
Company Filing History:
Get your Inventor Badge Today