Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6707846 | Correlation energy detector and radio communication apparatus | — | 2004-03-16 |
| 6690714 | Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation | Mamoru Fukui | 2004-02-10 |
| 6683906 | Radio communication apparatus | — | 2004-01-27 |
| 6507625 | Digital modulator and digital demodulator | Mitsuo Kakuishi | 2003-01-14 |
| 6504879 | Digital modulation apparatus | — | 2003-01-07 |
| 6487261 | Distortion compensating device | Kenzo Kobayashi, Takayuki Ozaki | 2002-11-26 |
| 6487236 | Method and apparatus for achieving demodulation in radio communications system using M-sequence orthogonal modulation | Mamoru Fukui | 2002-11-26 |
| 6339623 | Reference carrier generator device for pulling a reference carrier out of a false stabilized point into a correct stabilized point of synchronism | — | 2002-01-15 |
| 6236263 | Demodulator having cross polarization interference canceling function | — | 2001-05-22 |
| 6201841 | Distortion compensating device | Kenzo Kobayashi, Takayuki Ozaki | 2001-03-13 |
| 6175591 | Radio receiving apparatus | — | 2001-01-16 |
| 6034564 | Demodulator using quasi-synchronous detection to demodulate modulated quadrature input signals | — | 2000-03-07 |
| 6028902 | Clock phase detecting circuit | Hiroyuki Kiyanagi, Mitsuo Kakuishi | 2000-02-22 |
| 6029056 | Space diversity receiving apparatus | Hiroyuki Kiyanagi, Yasuhiro Shibuya, Toshiaki Suzuki | 2000-02-22 |
| 5987071 | Digital modulator and digital demodulator | Mitsuo Kakuishi | 1999-11-16 |
| 5978415 | Automatic amplitude equalizer | Kenzo Kobayashi, Toshio Kawasaki, Toshio Tamura, Hiroyuki Kiyanagi | 1999-11-02 |
| 5956374 | Jitter suppressing circuit | — | 1999-09-21 |
| 5920595 | Inter-cross wave compensation method and apparatus performing frequency conversion on signed not detected by a demodulating unit | — | 1999-07-06 |
| 5872812 | Carrier reproducing circuit including region deciding circuitry | Naoyuki Saito | 1999-02-16 |
| 5867542 | Clock phase detecting circuit and clock regenerating circuit each arranged in receiving unit of multiplex radio equipment | Hiroyuki Kiyanagi | 1999-02-02 |
| 5852629 | Repeater | — | 1998-12-22 |
| 5844950 | Cross polarization interference canceler and cross polarization interference eliminating apparatus using the same | Yoshihito Aono, Toshio Kawasaki | 1998-12-01 |
| 5781076 | Digital quadrature amplitude modulators | Mitsuo Kakuishi | 1998-07-14 |
| 5661761 | Quasi-synchronous detection and demodulation circuit and frequency discriminator used for the same | — | 1997-08-26 |
| 5648988 | Communication system including a digital roll-off filter | Norihide Mitsuta | 1997-07-15 |