Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361615 | Apparatus for measuring blank holding force acting on pressure ring of a press | Masahiro Shinabe, Tsutomu Ono, Masuo Watanabe, Hideo Koshida | 1994-11-08 |
| 5299444 | Hydraulic cushioning system for press, having hydraulic power supply including means for adjusting initial pressure to be applied to pressure-pin cylinders | Tsutomu Ono, Masahiro Shinabe | 1994-04-05 |
| 5295383 | Hydraulic cushioning system for press, having shut-off valve for disconnection of pressure-pin cylinders from power supply upon contact of movable die with workpiece | Tsutomu Ono, Seiki Minami | 1994-03-22 |