Issued Patents All Time
Showing 25 most recent of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7004155 | Ignition apparatus for internal combustion engine | Shigemi Murata, Takeshi Shimizu | 2006-02-28 |
| 6997171 | Ignition apparatus for an internal combustion engine | Yusuke Naruse, Hisanori Nobe | 2006-02-14 |
| 6925374 | Misfire detection apparatus of internal combustion engine | Kenji Matsushita, Kimihiko Tanaya, Koichi Okamura | 2005-08-02 |
| 6880539 | Ignition apparatus for an internal combustion engine and a manufacturing method therefor | Toshio Maekawa, Takeshi Shimizu | 2005-04-19 |
| 6865929 | Combustion state detection and failure determination apparatus of an internal combustion engine | Koichi Okamura, Hisanori Nobe, Yasuhiro Takahashi | 2005-03-15 |
| 6575151 | Ignition coil for internal combustion engine | Shigemi Murata | 2003-06-10 |
| 6550456 | Combustion state detection apparatus for internal combustion engine | Toshio Uchida, Yasuhiro Takahashi, Koichi Okamura | 2003-04-22 |
| 6474302 | Knock control apparatus for internal-combustion engine | Yasuhiro Takahashi, Koichi Okamura, Tsutomu Morishita | 2002-11-05 |
| 6427662 | Knock control apparatus for internal combustion engine | Kimihiko Tanaya, Yasuyoshi Hatazawa, Koichi Okamura | 2002-08-06 |
| 6418785 | Misfire detecting apparatus for internal combustion engine | Yasuyoshi Hatazawa, Koichi Okamura, Yutaka Ohashi, Hisanori Nobe | 2002-07-16 |
| 6378494 | Knock detection apparatus | Yasuyoshi Hatazawa, Koichi Okamura, Hisanori Nobe | 2002-04-30 |
| 6360586 | Device for detecting the knocking of an internal combustion engine | Tsutomu Morishita, Yasuhiro Takahashi, Koichi Okamura, Kimihiko Tanaya | 2002-03-26 |
| 6348797 | Combustion state detecting apparatus for internal combustion engine | Takeshi Shimizu, Yutaka Ohashi | 2002-02-19 |
| 6340303 | High tension connection portion structure of an ingition device for an internal combustion engine | Kazuya Hamada, Shingo Morita, Shigemi Murata | 2002-01-22 |
| 6336355 | Combustion condition detecting apparatus for an internal combustion engine | Shu Sasaki, Koichi Okamura, Yasuyoshi Hatazawa, Hisanori Nobe | 2002-01-08 |
| 6334353 | Knock detection apparatus for an internal combustion engine | Hisanori Nobe, Yasuyoshi Hatazawa, Koichi Okamura, Yutaka Ohashi | 2002-01-01 |
| 6328016 | Knock suppression control apparatus for internal combustion engine | Yasuhiro Takahashi, Koichi Okamura, Yutaka Ohashi | 2001-12-11 |
| 6311672 | Device for controlling the knocking of an internal combustion engine | Tsutomu Morishita, Yasuhiro Takahashi, Koichi Okamura, Yutaka Ohashi | 2001-11-06 |
| 6298823 | Knock control apparatus for internal combustion engine | Yasuhiro Takahashi, Koichi Okamura, Tsutomu Morishita | 2001-10-09 |
| 6275041 | Combustion state detecting apparatus for internal combustion engine | Koichi Okamura, Yasuyoshi Hatazawa, Shu Sasaki, Yutaka Ohashi, Hisanori Nobe | 2001-08-14 |
| 6234146 | Knock control device for an internal combustion engine | Kimihiko Tanaya, Yasuhiro Takahashi, Yasuyoshi Hatazawa | 2001-05-22 |
| 6107790 | Ignition coil for internal combustion engine | Nobuyuki Sawazaki, Takafumi Narishige, Shigemi Murata, Yutaka Ohashi | 2000-08-22 |
| 5977856 | Ignition coil device for internal-combustion engine | Toshio Maekawa | 1999-11-02 |
| 5729505 | Ignition device for an internal combustion engine | Shigemi Murata | 1998-03-17 |
| 5722378 | Ignition detection circuit | Nobuyuki Sawazaki, Masaaki Taruya | 1998-03-03 |