Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002073 | Hydraulic drive working vehicle | Takeaki Nozaki, Toshifumi Yasuda | 2011-08-23 |
| 7775309 | Pump unit | Ryota Ohashi, Hironori Sumomozawa, Nobuhisa Kamikawa | 2010-08-17 |
| 7762371 | Pump unit and hydrostatic transmission | Ryota Ohashi, Hironori Sumomozawa, Takeaki Nozaki | 2010-07-27 |
| 7677038 | Pump unit | Ryota Ohashi, Hironori Sumomozawa, Nobuhisa Kamikawa | 2010-03-16 |
| 7430863 | Pump unit and hydrostatic transmission | Ryota Ohashi, Hironori Sumomozawa, Takeaki Nozaki | 2008-10-07 |
| 7370476 | Pump system, charge relief mechanism and oil pressure control mechanism | Nobuhisa Kamikawa, Takeaki Nozaki, Kengo Sasahara | 2008-05-13 |
| 7231765 | Pump unit and hydrostatic transmission | Ryota Ohashi, Hironori Sumomozawa, Takeaki Nozaki | 2007-06-19 |
| 6450309 | Transmission system structure of vehicle | Tadao Hirai, Takeshi Hasebe, Takashi Hirano | 2002-09-17 |
| 6199653 | Four-wheel driven vehicle | Mizuya Matsufuji | 2001-03-13 |
| 5720214 | Fluid supply assembly for working vehicles | Hideki Amano | 1998-02-24 |
| 5479845 | Fluid supply assembly for working vehicles | Ryota Ohashi | 1996-01-02 |
| 5069037 | Fluid supply system for vehicles | Shigenori Sakigawa, Ryota Ohashi, Jiro Shibata | 1991-12-03 |
| 4893524 | HST system axle driving apparatus | Ryota Ohashi | 1990-01-16 |
| 4866936 | Two-stage flow divider with pressure-relief valves in each stage to regulate flow in hydraulic system for working vehicles | Ryota Ohashi, Jiro Shibata | 1989-09-19 |
| 4856277 | Two-stage flow divider with constant orifice first stage in hydraulic system for working vehicles | Ryota Ohashi, Jiro Shibata | 1989-08-15 |
| 4773216 | Flow divider valve for hydraulic system in working vehicles | Ryota Ohashi, Jiro Shibata | 1988-09-27 |
| 4643442 | Fluid supply system for working vehicles | Ryota Ohashi, Koichiro Fujisaki | 1987-02-17 |
| 4637482 | Hydraulic system in working vehicles | Ryota Ohashi, Jiro Shibata | 1987-01-20 |