Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700440 | High frequency power amplifier | — | 2004-03-02 |
| 6700545 | Antenna apparatus and transmission/reception apparatus having such an antenna apparatus | — | 2004-03-02 |
| 6538506 | Matching apparatus | — | 2003-03-25 |
| 6289208 | Radio receiver | — | 2001-09-11 |
| 5781594 | Data transfer circuit for use with a base unit or a handset of a telephone system | — | 1998-07-14 |
| 5757921 | Radio communication apparatus having common oscillator applied for PLL, conversion and scramble/descramble circuits | Taiwa Okanobu, Hiroshi Yokoyama | 1998-05-26 |
| 5752169 | Integrated circuit and transmitter/receiver | Hiroshi Yokoyama | 1998-05-12 |
| 5657464 | Data transfer circuit for use with a base unit or a handset of a telephone system | — | 1997-08-12 |
| 4963838 | Frequency synthesizer | — | 1990-10-16 |
| 4771455 | Scrambling apparatus | Mitsuo Ohsawa | 1988-09-13 |