Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643932 | Method for inserting balls and spacers into ball screw device | Hiroyuki Takagi, Soichiro Ohga | 2003-11-11 |
| 6415676 | Ball screw device having spacers | Hirouyki Takagi, Soichiro Ohga | 2002-07-09 |
| 6113274 | Linear guideway having spacers and spacer ball | — | 2000-09-05 |