Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481898 | Ball bearing | Kenji Yakura, Hirotoshi Aramaki, Yukio Ooura, Akio Fujii, Sumio Sugita +2 more | 2002-11-19 |
| 6357923 | Rolling bearing and bearing device | Chuichi Sato, Yuichi Sumita, Shoji Horike, Tsuyoshi Saito | 2002-03-19 |