Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771122 | Cage for rolling bearing and rolling bearing having the same | — | 2010-08-10 |
| 7766553 | Ball bearing retainer, and ball bearing employing the same | Kazuki Higashida, Takeshi Tsuda | 2010-08-03 |