Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41344 | Swirl chamber used in association with a combustion chamber for diesel engines | Koichi Funaki | 2010-05-25 |
| 6899076 | Swirl chamber used in association with a combustion chamber for diesel engines | Koichi Funaki | 2005-05-31 |