Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE48843 | Rolling bearing and spindle apparatus for machine tool | Naoki Matsuyama, Sumio Sugita, Yu Koiwa, Takaaki Anzai, Tamotsu Misawa | 2021-12-07 |
| 6742934 | Rolling bearing and spindle apparatus for machine tool | Naoki Matsuyama, Sumio Sugita, Yu Koiwa, Takaaki Anzai, Tamotsu Misawa | 2004-06-01 |