Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7233783 | Mobile telephone system capable of effectively utilizing GPS information even if direct reception by a mobile telephone apparatus is difficult | — | 2007-06-19 |
| 7209767 | Cellular phone suppressing degradation of receiving sensitivity | — | 2007-04-24 |
| 7197136 | Digital portable telephone set | — | 2007-03-27 |
| 6954648 | Mobile telephone system capable of effectively utilizing GPS information even if direct reception by a mobile telephone apparatus is difficult | — | 2005-10-11 |
| 6895220 | Mobile communication device capable of carrying out both indirect and direct communication | — | 2005-05-17 |
| 6625468 | Digital portable telephone unit and method for playing back voice/sound in the same unit | — | 2003-09-23 |
| 6615060 | Communication device effectively controlling power supply, method of controlling power supply, and medium | — | 2003-09-02 |
| 6469583 | PLL control circuit for digital oscillation frequency control and control method adopted in the same | — | 2002-10-22 |
| 6269128 | Clock recovery control in differential detection | — | 2001-07-31 |
| 5239683 | Cellular telephone system capable of reducing IM distortion at portable telephone | — | 1993-08-24 |
| 4916729 | Mobile station for an automobile telephone system | — | 1990-04-10 |