Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332046 | Agricultural machine with plow having changeable penetrating angle | Kouichi Kawano | 1994-07-26 |
| 5280826 | Coulter adjusting device for reversible plow | Kouichi Kawano | 1994-01-25 |