Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703390 | Semiconductor device having four power MOSFETs constituting H bridge circuit | — | 1997-12-30 |
| 5696518 | Antenna device integrally fixed to portable electronic appliance | Tadashi Yasuoka, Ryoji Amemiya | 1997-12-09 |