Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520573 | Spherical member polishing apparatus | Yuichi Sumita | 1996-05-28 |
| 4929098 | Self-aligning roller bearing | Hirotoshi Takata, Eihiro Suruga | 1990-05-29 |
| 4856918 | Bearing device | Ikunori Sakatani, Katsuhiko Tanaka | 1989-08-15 |