Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624976 | Method of manufacturing corrugated cage and corrugated cage | Soutarou Gunjima | 2017-04-18 |
| 9080609 | Ribbon cage and manufacturing method thereof | Yuuki Mizushima, Kazuto Kobayashi | 2015-07-14 |