Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622668 | Construction machinery | — | 2003-09-23 |
| 5141195 | Counterweight removal device | Tadashi Toda, Jun Shimizu, Kobayashi Nobuyuki, Tsuruo Hamamoto, Norio Nakajima +1 more | 1992-08-25 |