Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6299322 | Illuminating device for a portable radio apparatus | — | 2001-10-09 |
| 6058320 | Method and device for controlling the power source of a portable radio transceiver | — | 2000-05-02 |
| 5936534 | Alarm circuit for residual capacity of battery in portable radio transmitting and receiving apparatus | — | 1999-08-10 |
| 5831414 | Charging apparatus with contact end sliding in accordance with weight of secondary battery | Shinichi Miyazaki | 1998-11-03 |