Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8337092 | Retainer-equipped roller | Sadatsune Kazama | 2012-12-25 |
| 8092097 | Retained roller assembly | Sadatsune Kazama | 2012-01-10 |
| 5647674 | Retainer for needle roller bearing | Atsushi Yamashita | 1997-07-15 |