Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813309 | Pressure compensation valve unit and pressure oil supply system utilizing same | Kazunori Ikei | 1998-09-29 |
| 5752426 | Pilot pressure operated directional control valve and an operating cylinder control apparatus | Kazunori Ikei | 1998-05-19 |
| 5735305 | Unloading system for hydraulic circuit | Kazunori Ikei | 1998-04-07 |
| 5725022 | Direction control valve | Kazunori Ikei | 1998-03-10 |
| 5632306 | Operating valve assembly with electromagnetic proportioning pressure reduction valve | — | 1997-05-27 |
| 5622206 | Multiple valve unit for pressurized fluid supply system | Masamitsu Takeuchi, Kazunori Ikei, Tadao Karakama, Mitsumasa Akashi, Teruo Akiyama +1 more | 1997-04-22 |
| 5533334 | Pressurized fluid supply system | Masamitsu Takeuchi, Kazunori Ikei, Tadao Karakama, Mitsumasa Akashi, Teruo Akiyama +1 more | 1996-07-09 |