Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696420 | Vibration type gyroscope apparatus | Yuji Yamada | 1997-12-09 |
| 5696831 | Audio reproducing apparatus corresponding to picture | Yuji Yamada | 1997-12-09 |
| 5687239 | Audio reproduction apparatus | Yuji Yamada | 1997-11-11 |