Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10170894 | Multipoint ignition device and multipoint ignition engine | — | 2019-01-01 |
| 10084290 | Multipoint ignition device and multipoint ignition engine | — | 2018-09-25 |
| 10054100 | Multipoint spark plug and multipoint ignition engine | — | 2018-08-21 |
| 9742160 | Multipoint spark plug and multipoint spark plug manufacturing method | — | 2017-08-22 |
| 7661402 | Multipoint ignition engine | — | 2010-02-16 |
| 7448356 | Multipoint ignition device | — | 2008-11-11 |
| 7441540 | Multipoint ignition device | — | 2008-10-28 |
| 7441526 | Multipoint ignition device | — | 2008-10-28 |
| 7441539 | Multipoint ignition device | — | 2008-10-28 |
| 7072762 | Evaluation system for vehicle operating conditions and evaluation method thereof | Satoshi Kumagai, Takao Hamuro, Hideki Nagahara | 2006-07-04 |
| 7024306 | Evaluation system for vehicle operating conditions and evaluation method thereof | Satoshi Kumagai, Takao Hamuro, Hideki Nagahara | 2006-04-04 |
| 6985804 | Evaluation system for vehicle operating conditions | — | 2006-01-10 |
| 6813550 | Fuel-efficient vehicle and control method thereof | — | 2004-11-02 |
| 6694245 | Vehicle state analysis system and its analysis method | Satoshi Kumagai, Takao Hamuro, Hideki Nagahara | 2004-02-17 |