YI

Yoshiichi Ichikawa

OK Okuma: 3 patents #55 of 233Top 25%
Overall (All Time): #1,490,797 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9610637 Tailstock control device 2017-04-04
8156850 Tailstock control device Takashi Nishimoto, Kazuhisa Niwa 2012-04-17
7689300 Numerical control unit Yuji Naganawa, Yasushi Fukaya, Mamoru Yamashita 2010-03-30