Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105311 | Ignition device for internal combustion engine | Toshifumi Nakamura | 2021-08-31 |
| 10934991 | Internal combustion engine combustion state detecting device | Toshifumi Nakamura | 2021-03-02 |