Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6512758 | Retransmission control method and apparatus for use in OFDM radio communication system | Kazumi Sato, Mutsumi Serizawa | 2003-01-28 |
| 6512738 | Apparatus for and method of receiving diversity | Kazumi Sato | 2003-01-28 |
| 6249250 | Adaptive variable directional antenna | Kazumi Sato | 2001-06-19 |
| 6219334 | Receiving apparatus for receiving orthogonal frequency division multiplexing signal and receiving method thereof | Kazumi Sato | 2001-04-17 |
| 6087986 | Adaptive array antenna used in multi-carrier wave radio communications | Hiroki Shoki, Manabu Mukai | 2000-07-11 |
| 6049721 | Radio communication system including SDL having transmission rate of relatively high speed | Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Takashi Wakutsu, Manabu Mukai | 2000-04-11 |
| 5835541 | Sampling phase synchronizing apparatus and bidirectional maximum likelihood sequence estimation scheme therefore | Junzo Murakami | 1998-11-10 |
| 5754961 | Radio communication system including SDL having transmission rate of relatively high speed | Mutsumu Serizawa, Nobuyasu Nakajima, Koji Ogura, Takashi Wakutsu, Manabu Mukai | 1998-05-19 |
| 5673294 | Adaptive maximum likelihood sequence estimation apparatus and adaptive maximum likelihood sequence estimation method | — | 1997-09-30 |
| 5648991 | Sampling phase synchronizing apparatus and bidirectional maximum likelihood sequence estimation scheme therefore | Junzo Murakami | 1997-07-15 |
| 5579344 | Adaptive maximum likelihood sequence estimation apparatus and adaptive maximum likelihood sequence estimation method | — | 1996-11-26 |
| 5283531 | Demodulation apparatus incorporating adaptive equalizer for digital communication | Mutsumu Serizawa, Koji Ogura, Katsumi Sakakibara | 1994-02-01 |
| 5274670 | Method of equalization in digital mobile communication with improved tracking ability | Mutsumu Serizawa | 1993-12-28 |
| 5214391 | Demodulation apparatus having multipath detector for selecting a first or second demodulator | Mutsumu Serizawa, Koji Ogura, Katsumi Sakakibara | 1993-05-25 |
| 5159282 | Demodulation apparatus incorporating adaptive equalizer for digital communication | Mutsumu Serizawa, Koji Ogura, Katsumi Sakakibara | 1992-10-27 |