Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10662888 | Control device for internal combustion engine | Tatsuo Yamanaka, Ryuji Sato, Shoji Sasaki | 2020-05-26 |
| 7953529 | Determination of abnormality of an intake air system of an internal-combustion engine | Hideharu Takamiya, Hiroyuki Ando | 2011-05-31 |
| 7801667 | Control for an internal-combustion engine | Hideharu Takamiya, Seiichiro Irie, Yutaka Kouda | 2010-09-21 |
| 7770558 | Intake air control system for internal combustion engine | Hideharu Takamiya | 2010-08-10 |
| 7720591 | Intake air control of an internal combustion engine | Hideharu Takamiya | 2010-05-18 |
| 6857414 | Control system and method for internal combustion engine | Ken Ogawa, Hiroshi Tagami, Masahiro Takeuchi, Minoru Torii, Yuji Fujiki +1 more | 2005-02-22 |
| 6655345 | Valve timing controller, valve timing control method and engine control unit for internal combustion engine | Ken Ogawa, Yasunori Ehara | 2003-12-02 |
| 6557525 | Control system and method and engine control unit for internal combustion engine | Ken Ogawa, Shuji Nagatani, Kazuhiro Ueda, Hiroshi Tagami | 2003-05-06 |
| 6536210 | Exhaust gas purification apparatus for internal combustion engine | Ken Ogawa, Yasunori Ehara, Masanori Hayashi | 2003-03-25 |
| 6516772 | Combustion state control system of internal combustion engine | Masaki Ueno, Yasunori Ehara, Masahiro Sato, Ken Ogawa | 2003-02-11 |
| 6513485 | Fuel injection control system for internal combustion engine | Ken Ogawa | 2003-02-04 |
| 6463906 | Fuel injection control system for internal combustion engine | Ken Ogawa, Kazuhiro Ueda | 2002-10-15 |
| 6425366 | Control system for internal combustion engine | Ken Ogawa, Shuji Nagatani | 2002-07-30 |
| 6379280 | Control system for internal combustion engine | Ken Ogawa, Shuji Nagatani | 2002-04-30 |
| 6351943 | Air-fuel ratio control apparatus for exhaust gas from internal combustion engine | Hiroshi Tagami | 2002-03-05 |
| 6173704 | Exhaust gas purification system of internal combustion engine | Ken Ogawa | 2001-01-16 |
| 6089017 | Exhaust gas purification system of internal combustion engine | Ken Ogawa | 2000-07-18 |
| 5908463 | Fuel metering control system for internal combustion engine | Shusuke Akazaki, Yusuke Hasegawa, Hidetaka Maki, Yoichi Nishimura, Toshiaki Hirota | 1999-06-01 |
| 5850815 | Control system and control process in internal combustion engine | Toru Yano, Yuji Yasui, Takahiro Yonekura, Yutaka Asano, Yusuke Tatara +2 more | 1998-12-22 |
| 5806012 | Fuel metering control system for internal combustion engine | Hidetaka Maki, Shusuke Akazaki, Yusuke Hasegawa, Yoichi Nishimura, Toshiaki Hirota | 1998-09-08 |
| 5781875 | Fuel metering control system for internal combustion engine | Hidetaka Maki, Shusuke Akazaki, Yusuke Hasegawa | 1998-07-14 |
| 5774822 | Fuel metering control system for internal combustion engine | Hidetaka Maki | 1998-06-30 |
| 5758490 | Fuel metering control system for internal combustion engine | Hidetaka Maki, Shusuke Akazaki, Yusuke Hasegawa, Yoichi Nishimura, Toshiaki Hirota | 1998-06-02 |
| 5758630 | Fuel metering control system for internal combustion engine | Hidetaka Maki, Shusuke Akazaki, Yusuke Hasegawa, Yoichi Nishimura | 1998-06-02 |
| 5755094 | Fuel metering control system for internal combustion engine | Hidetaka Maki, Shusuke Akazaki, Yusuke Hasegawa, Yoichi Nishimura, Toshiaki Hirota | 1998-05-26 |