Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975227 | Method for controlling coming and going personnel, and a system thereof | Yoshihiro Nishikawa, Sakae Gotou | 2005-12-13 |
| 6880978 | Rolling bearing for hard disk drive | Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe, Emiko Shiraishi +1 more | 2005-04-19 |