Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861113 | Cast wheel | Tadashi Imamura, Kazuyuki Shigaki, Yuji Yamazaki, Tadashi Masuda | 1989-08-29 |
| 4821388 | Method for processing a nut seat on a wheel | Shunji Kobayashi | 1989-04-18 |