Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513233 | Variable valve timing controller for internal combustion engine | Yasuo Hirata | 2009-04-07 |
| 6928968 | Variable valve timing controller for internal combustion engine | Yasuo Hirata | 2005-08-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7513233 | Variable valve timing controller for internal combustion engine | Yasuo Hirata | 2009-04-07 |
| 6928968 | Variable valve timing controller for internal combustion engine | Yasuo Hirata | 2005-08-16 |