Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8175551 | Distortion compensation device for use in high-frequency power amplifier | — | 2012-05-08 |
| 7944295 | Predistorter | Naoki Hongo, Manabu Nakamura, Takehiko Kobayashi | 2011-05-17 |
| 7529316 | Transmitter | Norio Hasegawa, Tetsuhiko Miyatani | 2009-05-05 |
| 7098734 | Distortion-compensated amplifier using predistortion technique | Naoki Hongo, Tetsuhiko Miyatani | 2006-08-29 |
| 6859099 | Nonlinear distortion compensation power amplifier | — | 2005-02-22 |
| 5710995 | Adaptive antenna receiver | Mitsunori Morishima, Shunji Miyahara | 1998-01-20 |
| 5181182 | Multi-level band-restricted waveform generator | Kenzo Urabe | 1993-01-19 |
| 5109529 | Method of assigning frequency channel in mobile communications system | — | 1992-04-28 |
| 5097484 | Diversity transmission and reception method and equipment | — | 1992-03-17 |
| 4882766 | Terminal station of a radio communication network capable of effectively using radio channels assigned to the network | — | 1989-11-21 |
| 4817116 | Digital radio communication system utilizing quadrature modulated carrier waves | Yoshinori Nagata, Yoshio Matsuo | 1989-03-28 |
| 4776039 | Receiver for mobile communication systems | — | 1988-10-04 |
| 4752742 | Frequency demodulator for recovering digital signals | — | 1988-06-21 |
| 4747101 | Method of determining optimal transmission channel in multi-station communications system | Yukitsuna Furuya, Kazutomo Kobayashi | 1988-05-24 |
| 4661970 | Cordless telephone system | — | 1987-04-28 |
| 4652699 | Voice scrambler using frequency-inversion and band-splitting technique | — | 1987-03-24 |
| 4651107 | Demodulator for digital FM signals | — | 1987-03-17 |
| 4355401 | Radio transmitter/receiver for digital and analog communications system | Masao Ikoma, Noboru Saegusa, Ichirou Takase | 1982-10-19 |