Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7039123 | Signal demodulation method and apparatus for reproducing data from received signal | Kunihiko Kondo, Hiroyuki Ando, Nobuo Hirose | 2006-05-02 |
| 6879630 | Automatic equalization circuit and receiver circuit using the same | Nobuo Tsukamoto, Hiroyuki Hamazumi | 2005-04-12 |
| 6745365 | Coder with error correction, decoder with error correction and data transmission apparatus using the coder and decoder | Atsushi Mizuno, Kunihiko Kondo, Nobuo Tsukamoto, Kenji Terada, Tetsuomi Ikeda | 2004-06-01 |
| 5943374 | Out-of-synchronization recovery method and apparatus of data transmission system | Takao Koyama, Yoshio Iwasaki | 1999-08-24 |
| 5579434 | Speech signal bandwidth compression and expansion apparatus, and bandwidth compressing speech signal transmission method, and reproducing method | Yasushi Kudo | 1996-11-26 |
| 4926499 | Carrier phase controller for a receiver of phase modulated signals | Naoya Kobayashi, Makoto Ohnishi | 1990-05-15 |
| 4823346 | Maximum likelihood decoder | Naoya Kobayashi, Makoto Ohnishi | 1989-04-18 |
| 4535295 | Method and device for controlling the phase of timing signal | — | 1985-08-13 |
| 4531089 | Electric power detecting circuit and gain control circuit using the same | Kohei Ishizuka, Yasuhiro Kita, Narimichi Maeda, Masahiro Koya, Kazuhiko Takaoka | 1985-07-23 |
| 4477913 | Automatic equalizer apparatus | Masahiro Koya, Narimichi Maeda, Kohei Ishizuka, Kazuhiko Takaoka, Yasuhiro Kita | 1984-10-16 |