Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5724843 | Method of diagnosing pressing machine based on detected physical value as compared with reference | Kazunari Kirii | 1998-03-10 |
| 5692404 | Method of diagnosing pressing machine based on detected physical value as compared with reference | Kazunari Kirii | 1997-12-02 |
| 5457980 | Method and device for controlling, checking or optimizing pressure of cushion pin cylinders of press by discharging fluid or initial pressure | Kazunari Kirii, Shigehiro Kirii | 1995-10-17 |
| 5450756 | Device and method for measuring and adjusting pressing load values on a press | Kazunari Kirii | 1995-09-19 |
| 5361615 | Apparatus for measuring blank holding force acting on pressure ring of a press | Kazunari Kirii, 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 | Kazunari Kirii, Tsutomu Ono | 1994-04-05 |