Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883920 | Spread spectrum receiving apparatus with battery saving function | Hidenori Maruyama | 1999-03-16 |
| 5748668 | Spread spectrum method for transmitting an information signal as a radio signal at a high speed | Masahiro Ooki, Yukitsuna Furuya | 1998-05-05 |
| 5694420 | Wireless modem with low power consumption and high reliability in reception | Masahiro Ohki | 1997-12-02 |
| 5625639 | Spread spectrum method for transmitting an information signal as a radio signal at a high speed | Masahiro Ooki, Yukitsuna Furuya | 1997-04-29 |
| 5612972 | Spectrum spread signal reception with differential demodulation of spectrum spread demodulated components at each synchronous point and at a point always one symbol period later | Mikio Fukushi | 1997-03-18 |
| 5583884 | Spread spectrum modulation and demodulation systems which accelerate data rate without increasing multilevel indexing of primary modulation | Hidenori Maruyama | 1996-12-10 |
| 5448203 | Negative-feedback amplifier and feedback controlling method thereof | Hitosi Matui, Takeshi Yamamoto | 1995-09-05 |
| 5363411 | Low power consumption receiver with adaptive equalizer | Yukitsuna Furuya, Kazuhiro Okanoue, Akihisa Ushirokawa | 1994-11-08 |
| 5255289 | Symbol timing recovery circuit | — | 1993-10-19 |
| 5122758 | Differential phase demodulator for PSK-modulated signals | — | 1992-06-16 |
| 5121070 | Phase demodulator for PSK-modulated signals | — | 1992-06-09 |
| 5086437 | AGC device for producing a gain controlled and d.c. offset removed signal | — | 1992-02-04 |
| 4988951 | Quadrature phase demodulator capable of operating under a wide input dynamic range | — | 1991-01-29 |