Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7527116 | Snow lubrication device for snowmobile | — | 2009-05-05 |
| 4530428 | Apparatus for transporting materials to be transferred and method of controlling exciting current therefor | Katsutoshi Sato, Susumu Itoh | 1985-07-23 |