Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792822 | Ball groove profile of ball screw | — | 2004-09-21 |
| 6397697 | Ball screw | Daisuke Maruyama | 2002-06-04 |
| 5240331 | Structure of ball rolling grooves for a linear guide apparatus | Nobuyuki Osawa | 1993-08-31 |