TM

Toshio Mannaka

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
NC Nisshin Steel Co.: 1 patents #240 of 514Top 50%
📍 Hitachinaka, JP: #1,336 of 2,447 inventorsTop 55%
Overall (All Time): #2,309,291 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5113678 Method for controlling plate material hot rolling equipment Tomoaki Kimura, Mitsuru Koyama 1992-05-19
4545228 Roll eccentricity control system for a rolling apparatus Terushige Yamaguti, Toshinori Miki, Hiroshi Koyama, Yukihiro Kawano 1985-10-08