Issued Patents All Time
Showing 26–50 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8860419 | Ion current detector | Hiroshi Okuda | 2014-10-14 |
| 8807124 | Ignition apparatus | — | 2014-08-19 |
| 8767371 | Ignition apparatus | — | 2014-07-01 |
| 8701629 | Internal-combustion-engine combustion state detecting apparatus | Takahiko Inada, Yumi Takaoka, Takeshi Koda | 2014-04-22 |
| 8490468 | Failure diagnosis system | — | 2013-07-23 |
| 8375914 | Combustion state detection device for internal combustion engine | — | 2013-02-19 |
| 8291747 | Internal combustion engine combustion state detection apparatus | — | 2012-10-23 |
| 8260529 | Internal combustion engine ignition controlling apparatus having ignition diagnosing function | — | 2012-09-04 |
| 8014916 | Internal-combustion-engine ignition diagnosis apparatus and internal-combustion-engine control apparatus | — | 2011-09-06 |
| 7908910 | Combustion state detecting apparatus for internal combustion engine | — | 2011-03-22 |
| 7882730 | Internal-combustion-engine ignition diagnosis apparatus | Yumi Takaoka, Takahiko Inada, Takeshi Koda | 2011-02-08 |
| 7863903 | Combustion state detection apparatus and combustion state detection method for internal combustion engine | Takeshi Koda, Takahiko Inada | 2011-01-04 |
| 7856308 | Knock detection apparatus for internal combustion engine | Takahiko Inada | 2010-12-21 |
| 7836864 | Internal-combustion-engine combustion condition detection apparatus and combustion condition detection method | Takahiko Inada | 2010-11-23 |
| 7789595 | Combustion state detection apparatus for internal combustion engine | — | 2010-09-07 |
| 7673614 | Internal-combustion-engine combustion condition detection apparatus and combustion condition detection method | Takahiko Inada | 2010-03-09 |
| 7624717 | Internal-combustion-engine combustion condition detection apparatus | Takahiko Inada, Koichi Okamura | 2009-12-01 |
| 7624619 | Knocking detecting device for an internal combustion engine | Takahiko Inada | 2009-12-01 |
| 7444232 | Knock control apparatus for internal combustion engine | Takahiko Inada | 2008-10-28 |
| 7174251 | Knocking detection apparatus and detecting method | Takashi Iwamoto, Jun Mitsuishi | 2007-02-06 |
| 6925374 | Misfire detection apparatus of internal combustion engine | Kenji Matsushita, Koichi Okamura, Mitsuru Koiwa | 2005-08-02 |
| 6912459 | Control device for an internal combustion engine | Masakazu Dohi, Yumi Takaoka | 2005-06-28 |
| 6848296 | Misfire detection apparatus for internal combustion engine | — | 2005-02-01 |
| 6789409 | Knock detection apparatus for internal combustion engine | — | 2004-09-14 |
| 6752004 | Misfire detection apparatus for internal combustion engine | Takahiko Inada | 2004-06-22 |