Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5564096 | Wristwatch radio communication device having an improved noise shielding structure | Norio Hama | 1996-10-08 |
| 5265265 | Wristwatch radio communication device having an improved noise shielding structure | Norio Hama | 1993-11-23 |