Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9895738 | Apparatus and method for manufacturing a knuckle bracket | Yoshihiko Yamauchi, Tomomi Hayase | 2018-02-20 |
| 5101093 | Contact tip for arc welding | Hitoshi Matsui | 1992-03-31 |