Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7778672 | Portable electronic device and carrier telephone equipment | Toshiaki Sato | 2010-08-17 |
| 5703947 | Portable telephone equipment for biasing a switching member to a normally neutral position | Ichiro Hino | 1997-12-30 |
| 5251329 | Radio telephone apparatus with microphone mounted in battery case | Kotaro Takagi, Kunio Sato | 1993-10-05 |