Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8690448 | Rolling bearing device | — | 2014-04-08 |
| 6318897 | Roller bearing and a method of producing the same | Masamichi Shibata, Masaaki Sakuragi | 2001-11-20 |
| 6254277 | Roller bearing | Yasuaki Nagai, Kenji Asano, Masamichi Shibata | 2001-07-03 |