Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7180880 | Transmission power control method and apparatus | — | 2007-02-20 |
| 7031739 | Code division multiple access communication apparatus and method thereof | — | 2006-04-18 |
| 6917643 | Diffusion code generator, CDMA communication apparatus using the same, and diffusion code generating method used therefor | — | 2005-07-12 |
| 6859487 | Radio communication system and base station and mobile terminal to be employed therein | — | 2005-02-22 |
| 6658069 | Automatic gain control circuit and control method therefor | — | 2003-12-02 |
| 6556619 | Frequency adjusting circuit in code division multiple access communication system | — | 2003-04-29 |
| 6507627 | Direct conversion receiving apparatus with DC component cut function | — | 2003-01-14 |
| 6185435 | Radio communication apparatus for communicating with a plurality of different communication systems | — | 2001-02-06 |
| 6052572 | Mobile communication apparatus | — | 2000-04-18 |
| 5940745 | Portable transceiver having retractable antenna and matching circuit | — | 1999-08-17 |
| 5909653 | Portable radio device | Naoki Hirasawa | 1999-06-01 |
| 5656975 | PLL circuit having filter with switched bias voltage for quick response | — | 1997-08-12 |