Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568057 | Roller burnishing tool | Shinichi Okeda, Kouki Watabe | 2003-05-27 |
| 4924568 | Burnishing device for external surfaces of workpieces having circular sectional contours | Kazuyoshi Sato | 1990-05-15 |