Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047494 | Hydraulic control device and construction machine with same | Naoki Goto, Koji Ueda | 2018-08-14 |
| 9790665 | Hydraulic control device and construction machine provided with same | Koji Ueda | 2017-10-17 |
| 9587656 | Boom driving apparatus for construction machine | Koji Ueda | 2017-03-07 |
| 9366271 | Slewing type construction machine | Koji Ueda | 2016-06-14 |
| 6732513 | Rotating control circuit | — | 2004-05-11 |
| 6378303 | Hydraulic control device of a working machine | Fumikazu Higuchi, Yutaka Tohji | 2002-04-30 |
| 5992147 | Hydraulic control system in construction machine | — | 1999-11-30 |