Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422667 | Link-and-pin fixing structure for a crawler chain | — | 2002-07-23 |
| 6270173 | Fixing structure of link and pin of travelling crawler belt, and fixing method thereof | Akira Hashimoto, Teiji Yamamoto, Hiroyuki Nakaishi, Kenichi Hisamatsu | 2001-08-07 |