Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002073 | Hydraulic drive working vehicle | Masahisa Kawamura, Toshifumi Yasuda | 2011-08-23 |
| 7934578 | Hydraulic pump unit, hydraulic pump set, and working vehicle | Ryota Ohashi, Manabu Kawakami, Shigenori Sakikawa | 2011-05-03 |
| 7762371 | Pump unit and hydrostatic transmission | Masahisa Kawamura, Ryota Ohashi, Hironori Sumomozawa | 2010-07-27 |
| 7520131 | Pump unit | Shigenori Sakikawa, Tomoyuki Tsuji | 2009-04-21 |
| 7430863 | Pump unit and hydrostatic transmission | Masahisa Kawamura, Ryota Ohashi, Hironori Sumomozawa | 2008-10-07 |
| 7370476 | Pump system, charge relief mechanism and oil pressure control mechanism | Masahisa Kawamura, Nobuhisa Kamikawa, Kengo Sasahara | 2008-05-13 |
| 7316287 | Hydraulic pump unit, hydraulic pump set, and working vehicle | Ryota Ohashi, Manabu Kawakami, Shigenori Sakikawa | 2008-01-08 |
| 7231765 | Pump unit and hydrostatic transmission | Masahisa Kawamura, Ryota Ohashi, Hironori Sumomozawa | 2007-06-19 |
| 7162871 | Pump unit | — | 2007-01-16 |
| 6782839 | Hydrofoil boat | — | 2004-08-31 |