Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5311503 | Terminal apparatus for full-duplex data transmission having an echo canceller | Masaru Kokubo | 1994-05-10 |
| 5097488 | Transmission apparatus and method | Masaru Kokubo, Haruo Kamimaki, Hirotaka Hara, Toshiro Suzuki | 1992-03-17 |
| 5018134 | Method for cancelling echo in a transmitter and an apparatus therefor | Masaru Kokubo, Tatsuko Shinotsuka, Tatsuya Kameyama, Hirotaka Hara | 1991-05-21 |
| 4896318 | Method for cancelling echo in a transmitter and an apparatus therefor | Masaru Kokubo, Tatsuko Shinotsuka, Tatsuya Kameyama, Hirotaka Hara | 1990-01-23 |
| 4868874 | Echo canceller | Hiroshi Takatori, Tatsuko Shinozuka | 1989-09-19 |