Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448453 | Refrigeration device | Takashi Toyooka, Tadashi Okada | 2022-09-20 |
| 11333429 | Refrigeration device | Takashi Toyooka, Eiichi Mori | 2022-05-17 |
| 10385940 | Composite coil spring | — | 2019-08-20 |
| 10274394 | Fluid path inspection device and fluid path inspection method | Takuji Sasaki, Jun KOGAWA, Masaki Fujita, Toshiki AKAHIRA | 2019-04-30 |
| 9982734 | Composite coil spring | — | 2018-05-29 |
| 9677637 | Composite coil spring | — | 2017-06-13 |
| 8857801 | Composite coil spring | — | 2014-10-14 |
| 7452301 | Externally actuated torque coupling for drivetrain | — | 2008-11-18 |
| 7413066 | Hydraulically controlled torque coupling device | — | 2008-08-19 |
| 7357236 | Pressure relief valve actuator for hydraulic torque coupling actuator | — | 2008-04-15 |
| 7353928 | Torque coupling assembly with venting passage | — | 2008-04-08 |
| 7207349 | Hydraulic flow pressure switch | — | 2007-04-24 |
| 7111670 | Plate fin for heat exchanger and heat exchanger core | Kiyoshi Sasaki, Johji Satoh | 2006-09-26 |
| 7102245 | Integral generator/pinion assembly for axle power generation | James A. Duggan | 2006-09-05 |
| 7096990 | Double disconnect assembly for multi-axle vehicles | Wayne Borgen, William G. Hunt | 2006-08-29 |
| 7077779 | Solenoid actuated variable pressure relief valve assembly for torque transfer assembly | John A. Grogg, Jeremy Wudy, Martin C. Kaplan | 2006-07-18 |
| 6802791 | Pressure control valve for hydraulic actuation assembly | — | 2004-10-12 |
| 6742640 | Wrap spring activated torque transfer device | John A. Grogg | 2004-06-01 |
| 6692396 | Solenoid actuated variable pressure relief valve assembly for limited slip differential assembly | John A. Grogg, Jeremy Wudy, Martin C. Kaplan | 2004-02-17 |
| 6648611 | Gerotor pump having an eccentric ring housing with an integral pressure chamber | David Morse | 2003-11-18 |
| 6517462 | Dual disconnect drive assembly | Wayne Lee Borgan, William G. Hunt | 2003-02-11 |
| 6474433 | Speed sensitive on-demand torque coupling differential | — | 2002-11-05 |
| 6332522 | Hydraulic coupling for vehicle drivetrain | David Morse | 2001-12-25 |
| 6318201 | Motor vehicle differential bearing pre-load mechanism | — | 2001-11-20 |
| 6280613 | Hydraulic medium filtering for a motor vehicle limited slip differential | David Morse | 2001-08-28 |