Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482779 | Lubricating grease composition and rolling apparatus comprising same | Michiharu Naka, Atsushi Yokouchi, Koichi Hachiya, Toru Takamizawa, Jun Kuraishi +3 more | 2002-11-19 |
| 6482780 | Grease composition for rolling bearing | Atsushi Yokouchi, Jun Kuraishi, Youichiro Sugimori, Michiharu Naka, Atsushi Shibayama +1 more | 2002-11-19 |
| 6340244 | Rolling bearing for hard disk drive | Masao Yamamoto, Kouichi Hachiya, Atsushi Yokouchi, Toshikazu Yabe, Emiko Shiraishi +1 more | 2002-01-22 |