Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848125 | Wheel rim forming machine | Susumu Itou, Yusaku Shinozawa | 1989-07-18 |
| 4825675 | Top roll exchanging apparatus for a wheel rim forming machine | Yusaku Shinozawa, Minoru Takahashi | 1989-05-02 |