Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11398717 | Spark plug and method for manufacturing the same | — | 2022-07-26 |
| 11367999 | Spark plug and method of producing central electrode thereof | — | 2022-06-21 |
| 11296594 | Failure prediction system | — | 2022-04-05 |
| 11218081 | Power converter | Akihiro Ueda, Koji Yasui, Hirotaka Ohno | 2022-01-04 |