Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038350 | Hydrodynamic bearing device | Jun Hirade, Tetsuya Kurimura | 2011-10-18 |
| 5320433 | Rolling contact bearing assembly | Kei Kimata, Kenji Hibi, Yasuhiro Shimizu | 1994-06-14 |