Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816560 | Seal ring-equipped ball bearing | — | 2017-11-14 |
| 9039288 | Tapered roller bearing resin cage and tapered roller bearing | Takumi Takeuchi, Ryosuke Yamada, Kinji Yukawa, Tomoharu Saito, Hiroki Maejima | 2015-05-26 |