Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8225775 | Ignition coil device | Takashi Idogawa, Takeshi Shimizu, Nobuyuki Sawazaki | 2012-07-24 |
| 7467627 | Ignition apparatus for an internal combustion engine | Takeshi Shimizu | 2008-12-23 |
| 7441552 | Ignition coil apparatus for an internal combustion engine | Nobuyuki Sawazaki | 2008-10-28 |
| 7383830 | Ignition apparatus for internal combustion engine | Takeshi Shimizu | 2008-06-10 |