Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11018665 | Electronic control device | Koji Ueda, Hiroshi Mizukami, Yoshiyuki Sera, Tom Ikeda | 2021-05-25 |
| 10364011 | Engine control apparatus and vessel equipped with the engine control apparatus | Seiji Kato | 2019-07-30 |
| 9890757 | Electronic control of a spark plug for an internal combustion engine | Hiroshi Mizukami, Toru Ikeda, Yoshiyuki Sera | 2018-02-13 |
| 7436677 | Electronic device | Hiroyuki Noritsune | 2008-10-14 |
| 7007683 | Internal combustion engine ignition apparatus | Yusuke Naruse | 2006-03-07 |
| 6997171 | Ignition apparatus for an internal combustion engine | Yusuke Naruse, Mitsuru Koiwa | 2006-02-14 |
| 6932065 | Internal combustion engine ignition apparatus | Yusuke Naruse | 2005-08-23 |
| 6865929 | Combustion state detection and failure determination apparatus of an internal combustion engine | Koichi Okamura, Yasuhiro Takahashi, Mitsuru Koiwa | 2005-03-15 |
| 6848437 | Ignition device for an internal combustion engine | Yusuke Naruse | 2005-02-01 |
| 6837230 | Ignition device for an internal combustion engine | Yusuke Naruse | 2005-01-04 |
| 6418785 | Misfire detecting apparatus for internal combustion engine | Yasuyoshi Hatazawa, Koichi Okamura, Mitsuru Koiwa, Yutaka Ohashi | 2002-07-16 |
| 6378494 | Knock detection apparatus | Yasuyoshi Hatazawa, Koichi Okamura, Mitsuru Koiwa | 2002-04-30 |
| 6336355 | Combustion condition detecting apparatus for an internal combustion engine | Shu Sasaki, Koichi Okamura, Yasuyoshi Hatazawa, Mitsuru Koiwa | 2002-01-08 |
| 6334353 | Knock detection apparatus for an internal combustion engine | Yasuyoshi Hatazawa, Koichi Okamura, Mitsuru Koiwa, Yutaka Ohashi | 2002-01-01 |
| 6275041 | Combustion state detecting apparatus for internal combustion engine | Koichi Okamura, Yasuyoshi Hatazawa, Shu Sasaki, Mitsuru Koiwa, Yutaka Ohashi | 2001-08-14 |
| 5109827 | Ignition apparatus for an internal combustion engine | Mitsuru Koiwa | 1992-05-05 |