Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9780535 | Spark plug | Kohei Usami | 2017-10-03 |
| 9775227 | Non-thermal equilibrium plasma ignition plug and non-thermal equilibrium plasma ignition device | Hiroyuki Kameda, Kohei Usami | 2017-09-26 |
| 9548592 | Spark plug | Tadatoshi Fujino, Yuichi Yamada | 2017-01-17 |