Issued Patents All Time
Showing 76–98 of 98 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989630 | Quick-acting coupling | — | 1991-02-05 |
| 4971107 | Quick-acting coupling | — | 1990-11-20 |
| 4948105 | Hydraulic clamp | — | 1990-08-14 |
| 4928919 | Stop valve | Norio Daicho, Masakatsu Kawahara, Jiro Nitta, Koji Miyazaki | 1990-05-29 |
| 4909493 | Cylinder type hydraulic clamp | — | 1990-03-20 |
| 4899572 | Pneumatic-hydraulic booster type driving device for the cushion-knockout mechanism associated with the slide of a press-machine | — | 1990-02-13 |
| 4850828 | Plunger pump of quick pressure-rise type | — | 1989-07-25 |
| 4827839 | Hydraulic overload protector for mechanical press | Masatake Miyajima | 1989-05-09 |
| 4823687 | Die-height adjusting device of mechanical press | Yoshimitsu Tsutsui | 1989-04-25 |
| 4812109 | Apparatus for driving piston by fluid pressure | — | 1989-03-14 |
| 4791844 | Knockout device for punching a work plate in a press-machine | — | 1988-12-20 |
| 4597709 | Transferring device for dies and the like | — | 1986-07-01 |
| 4583631 | Apparatus for positioning and clamping work clamp pallet for machine tools | Sohei Yamada | 1986-04-22 |
| 4557371 | Work-clamp pallet for machine tool | — | 1985-12-10 |
| 4524660 | Pneumatic-hydraulic driving device for the knockout mechanism associated with the slide of a press-machine | — | 1985-06-25 |
| 4506871 | Retracting clamp | — | 1985-03-26 |
| 4504046 | Retracting clamp | Tsutomu Sirakawa | 1985-03-12 |
| 4449907 | Dies exchanging device for a machine using dies | Tadao Utsumi | 1984-05-22 |
| 4348883 | Auxiliary die conveyor for a pressing or punching machine | — | 1982-09-14 |
| 4341245 | Gas inlet attachment for a gas charger | Norio Daicho | 1982-07-27 |
| 4317358 | Die lifter unit for pressing or punching machine | Ichiro Kitaura | 1982-03-02 |
| 4301673 | Die lifter unit | — | 1981-11-24 |
| 4210168 | Pressure-responsive valve unit for a fluid container | — | 1980-07-01 |