Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8671901 | Excess demand voltage relief spark plug for vehicle ignition system | Yujiro Suwa | 2014-03-18 |
| 8550055 | Fuel management systems and methods for variable displacement engines | Eric Ferch, Anthony L. Marks, Ryan Bruss, Eloy Martinez, Jon C. Wasberg | 2013-10-08 |
| 8495984 | Spark voltage limiting system for active fuel management | Robert W. Riegel, Yujiro Suwa, Anthony L. Marks | 2013-07-30 |
| 6883497 | Method of preventing preignition for an internal combustion engine | John S. Jackson | 2005-04-26 |