Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7448292 | Transmission | — | 2008-11-11 |
| 6467510 | Pipe formed by bending rolls | Michio Yamashita, Hideo Abe, Yoshiharu Daikuzono, Singo Emi | 2002-10-22 |
| 6339946 | Pipe forming apparatus and method | Michio Yamashita, Hideo Abe, Yoshiharu Daikuzono, Shingo Emi | 2002-01-22 |