Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289886 | Automatic screw fastening machine | Osamu Shikata, Hirotada Sugiura, Kazunori Isono | 1994-03-01 |
| 5170852 | Automatic screw fastening machine | Osamu Shikata, Hirotada Sugiura, Kazunori Isono | 1992-12-15 |