Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5135348 | Earth-working machine | Mitsuhiro Kishi | 1992-08-04 |
| 4797060 | Earth-working machine | Mitsuhiro Kishi | 1989-01-10 |
| 4746264 | Earth-working machine | Mitsuhiro Kishi | 1988-05-24 |
| 4596508 | Earth-working machine | Mitsuhiro Kishi | 1986-06-24 |