TO

Toshio Okitsu

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,316,086 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5010946 Die casting cylinder Shingo Nogami, Toshinori Yashiro, Kiyoshi Furushima, Itsuo Korenaga 1991-04-30
4721153 High-chromium compound roll Yoshikazu Sano, Michio Haga 1988-01-26