Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333122 | Ignition control system | — | 2022-05-17 |
| 11204012 | Cylinder head structure of internal combustion engine | Naoyoshi Matsubara, Yoshihiro Kominami | 2021-12-21 |
| 11199170 | Ignition control device | Akimitsu Sugiura, Kanechiyo Terada | 2021-12-14 |
| 10132287 | Ignition control system | Kenji Hattori | 2018-11-20 |