Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675669 | Ball screw apparatus | Noriaki Sekiya, Daisuke Maruyama, Kazuo Miyaguchi | 2004-01-13 |
| 6450055 | Ball screw apparatus | Noriaki Sekiya, Daisuke Maruyama, Kazuo Miyaguchi | 2002-09-17 |