Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368140 | Damper device and method of its use, and a device for manufacturing semiconductors using the damper device | Seiji Onai | 1994-11-29 |
| 5330164 | Vibration damping apparatus | Hiroshi Kojima | 1994-07-19 |