Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353796 | Apparatus for digging and transporting soil and sand, stones and rocks, minerals and the like | Masaaki Kubo, Yasutaka Onodera, Hiroshi Kawaguchi | 1982-10-12 |
| 4261119 | Method for digging and transporting material | Masaaki Kubo, Yasutaka Onodera, Hiroshi Kawaguchi | 1981-04-14 |
| 4256342 | Dragline equipped with hopper means and loading means | Masaaki Kubo, Yasutaka Onodera, Hiroshi Kawaguchi | 1981-03-17 |