Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9097113 | Hydraulic pump/motor and method of suppressing pulsation of hydraulic pump/motor | Takahiro Miyata | 2015-08-04 |
| 9022749 | Swing drive controlling system for construction machine | Teruo Akiyama, Hisashi Asada, Jin Kitajima, Takeshi Ooi, Masashi Ichihara | 2015-05-05 |
| 8677884 | Hydraulic pump/motor and fan driving device | Kenichi Ogasawara, Mutsumi Ono | 2014-03-25 |
| 6960069 | Arrangement structure of swash plate hydraulic pump hydraulic pump | Katsuji Ishikawa | 2005-11-01 |
| 6922989 | Plural pressure oil energies selective recovery apparatus and selective recovery method therefor | Shinobu Nagura, Nobumi Yoshida | 2005-08-02 |
| 6718763 | Hydraulic drive unit | Nobumi Yoshida | 2004-04-13 |
| 6460332 | Pressure oil energy recover/regenation apparatus | Nobumi Yoshida | 2002-10-08 |
| 6311488 | Cooling fan drive apparatus | Nobumi Yoshida, Teruo Akiyama | 2001-11-06 |
| 6305333 | Air blower apparatus | Nobumi Yoshida, Hiroshi Endo | 2001-10-23 |
| 6209322 | Pressurized fluid supply system | Nobumi Yoshida, Hiroshi Endo, Naoki Ishizaki | 2001-04-03 |
| 6151894 | Apparatus for recovering pressure oil returned from actuators | Hiroshi Endo, Nobumi Yoshida | 2000-11-28 |
| 6050091 | Brake device for oil hydraulic motor | — | 2000-04-18 |
| 6006872 | Braking apparatus for a hydraulic motor | — | 1999-12-28 |