Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7142034 | Charge signal converting amplifier | Hiromichi Watanabe, Hiroshi Yokoyama | 2006-11-28 |
| 7062955 | Combustion-pressure-data acquisition system of multi-cylinder engine | Hiromichi Watanabe, Hiroshi Yokoyama | 2006-06-20 |
| 7049729 | Amplifier converting charge signal | Hiromichi Watanabe, Hiroshi Yokoyama | 2006-05-23 |
| 6915780 | Combustion pressure data collection system for multi-cylinder engine | Hiromichi Watanabe, Hiroshi Yokoyama | 2005-07-12 |
| 6602157 | Power transmitting system for a hybrid motor vehicle | — | 2003-08-05 |
| 6561934 | Oil pressure control for continuously variable transmission | — | 2003-05-13 |
| 6461262 | Working oil filter device for continuously variable transmission | — | 2002-10-08 |
| 6383106 | Power transmitting system for a hybrid motor | — | 2002-05-07 |
| 6146302 | Power transmitting system for a hybrid motor vehicle | — | 2000-11-14 |
| 6099428 | Continuously variable transmission | — | 2000-08-08 |
| 6066059 | Continuously variable transmission system | — | 2000-05-23 |
| 6066058 | Automatic transmission | — | 2000-05-23 |
| 6042498 | Automatic transmission | — | 2000-03-28 |
| 5957799 | Automatic transmission | — | 1999-09-28 |
| 5743156 | Vehicle power unit structure | Kenzo Watanabe, Masayuki Ushiki, Yuichiro Yanagida | 1998-04-28 |
| 5632354 | Motor vehicle with a continuously variable transmission | Satoru Watanabe | 1997-05-27 |
| 5273492 | Hydraulic control system for a continuously variable transmission with a torque converter | Keiji Sato | 1993-12-28 |
| 5014566 | Automatic transmission for a motor vehicle | — | 1991-05-14 |
| 4960005 | Automatic transmission for a motor vehicle | — | 1990-10-02 |
| 4768467 | Valve operating system for an automotive engine | Takemasa Yamada, Satoshi Maeda | 1988-09-06 |
| 4748941 | Cooling system for an engine | — | 1988-06-07 |