Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5249471 | Sealing structure for testing vessel | Minoru Kizaki, Masao Ohmi, Masaaki Yokoi | 1993-10-05 |
| 5177723 | Pickup movement device for detecting speed using pickup driving coil | — | 1993-01-05 |