Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9976968 | Cracking detection system and cracking detection method | Yukihiro Ito, Kazuhisa Shiki, Hiroshi Matsuda | 2018-05-22 |
| 7069719 | Air-fuel ratio control apparatus for an internal combustion engine | Hideki Takubo | 2006-07-04 |
| 6889655 | Device for controlling the ignition timing for internal combustion engines | Minoru Abe | 2005-05-10 |
| 5638278 | Apparatus for detecting an occurence of misfiring in an engine cylinder | Yukinobu Nishimura | 1997-06-10 |
| 5544058 | Misfire detecting apparatus for a multi-cylinder internal combustion engine | Yukinobu Nishimura, Masakazu Sugai | 1996-08-06 |
| 5497328 | Device for detecting continuous misfires of a multi-cylinder internal combustion engine | Masakazu Sugai | 1996-03-05 |
| 5474045 | Engine control device | Masakazu Sugai, Hitoshi Inoue, Ryoji Nishiyama, Hideaki Katashiba | 1995-12-12 |
| 5415028 | Misfire detecting device for internal combustion engine | Yukinobu Nishimura | 1995-05-16 |
| 5337240 | Misfiring sensing apparatus | Akihiro Nakagawa, Ryoji Nishiyama | 1994-08-09 |
| 5331848 | Misfiring detecting method and apparatus | Akihiro Nakagawa | 1994-07-26 |
| 5301546 | Misfire detecting device for internal combustion engine | Masanori Inada, Akihiro Nakagawa | 1994-04-12 |
| 5229945 | Apparatus for detecting and calculating the indicated mean effective pressure for a multi-cylinder engine during real time | Hitoshi Inoue | 1993-07-20 |
| 5214958 | Misfiring detecting apparatus for an internal combustion device | Masanori Inada, Akihiro Nakagawa | 1993-06-01 |
| 5156126 | Combustion control device for internal combustion engines | Satoru Ohkubo, Shoichi Washino | 1992-10-20 |
| 5127262 | Misfire detecting device of an internal combustion engine | Akihiro Nakagawa, Toshiki Kuroda | 1992-07-07 |
| 5125267 | Trouble diagnosis apparatus for an internal combustion engine | Toshiki Kuroda, Akihiro Nakagawa | 1992-06-30 |
| 5123391 | Electronic control fuel injection device a for an internal combustion engine | Satoru Ohkubo | 1992-06-23 |
| 5116259 | Misfire detecting device of an internal combustion engine | Akihiro Nakagawa, Toshiki Kuroda | 1992-05-26 |
| 5107813 | Control apparatus of an internal combustion engine | Hitoshi Inoue | 1992-04-28 |
| 5109151 | Glow plug energization apparatus | Katsuhiro Higashibata | 1992-04-28 |
| 5101788 | Internal-combustion engine control device | Hitoshi Inoue | 1992-04-07 |
| 5090383 | Ignition timing control apparatus for an internal combustion engine | Hitoshi Inoue | 1992-02-25 |
| 5070842 | Apparatus for controlling ignition timing in internal combustion engine | Noriyuki Inoue, Satoru Ohkubo, Toshio Iwata | 1991-12-10 |
| 5063902 | Ignition timing controlling apparatus for internal combustion engine | Noriyuki Inoue, Satoru Ohkubo, Toshio Iwata | 1991-11-12 |
| 5038737 | Control apparatus for an internal combustion engine | Ryoji Nishiyama, Satoru Ohkubo | 1991-08-13 |