Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033108 | Two-stage supercharging system for internal combustion engine | Naoya Ishikawa | 2011-10-11 |
| 8011334 | Exhaust valve control method and exhaust valve control device for diesel engine | — | 2011-09-06 |