Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8664697 | Transistor device | Takeshi Meguro, Jiro Wada | 2014-03-04 |
| 8440549 | Compound semiconductor device including aln layer of controlled skewness | Kenji Imanishi, Toshihide Kikkawa, Takeshi Tanaka, Yohei Otoki | 2013-05-14 |
| 8264005 | Compound semiconductor device including AIN layer of controlled skewness | Kenji Imanishi, Toshihide Kikkawa, Takeshi Tanaka, Yohei Otoki | 2012-09-11 |
| 8264006 | Compound semiconductor device including AIN layer of controlled skewness | Kenji Imanishi, Toshihide Kikkawa, Takeshi Tanaka, Yohei Otoki | 2012-09-11 |
| 8044492 | Compound semiconductor device including AIN layer of controlled skewness | Kenji Imanishi, Toshihide Kikkawa, Takeshi Tanaka, Yohei Otoki | 2011-10-25 |
| 7948009 | Nitride semiconductor epitaxial wafer and nitride semiconductor device | Takeshi Tanaka, Yohei Otoki, Masae Sahara | 2011-05-24 |
| 7485946 | Transistor epitaxial wafer and transistor produced by using same | — | 2009-02-03 |
| 7418818 | Exhaust system, and engine device and vehicle with the same | Ryusuke Kato, Toshihiko Takahashi | 2008-09-02 |
| 6085733 | Ignition control system for engine | Yu Motoyama, Miyoshi Ishibashi, Akihiko Ohokubo | 2000-07-11 |
| 5946908 | Engine control and wall temperature sensor | Yu Motoyama | 1999-09-07 |
| 5878702 | Exhaust timing control device for two-cycle engine | Yuh Motoyama, Takafumi FUKUDA | 1999-03-09 |
| 5732674 | Engine control system | Yu Motoyama, Michihisa Nakamura | 1998-03-31 |
| 5613468 | Fuel injection control | Takeru Ibara, Yu Motoyama | 1997-03-25 |
| 5205254 | Air fuel injector and control | Takeshi Ito | 1993-04-27 |
| 5203538 | Solenoid valve device | Nobuhiko Matsunaga | 1993-04-20 |
| 5193508 | Fuel injection system | Yu Motoyama, Ryusuke Kato | 1993-03-16 |