Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7764930 | Data transmission system, data transmitter and data receiver used in the data transmission system | Akinori Taira, Fumio Ishizu | 2010-07-27 |
| 7477878 | Data transmission system, data transmitter and data receiver used in the data transmission system | Akinori Taira, Fumio Ishizu | 2009-01-13 |
| 6996196 | Sequence estimation method and sequence estimator | Hiroshi Kubo, Kazuo Tanada | 2006-02-07 |
| 6891906 | Demodulator, clock recovery circuit, demodulation method and clock recovery method | Yasushi Sogabe, Fumio Ishizu | 2005-05-10 |
| 6731910 | Data transmission system, data transmitter and data receiver used in the data transmission system | Akinori Taira, Fumio Ishizu | 2004-05-04 |
| 6556632 | Sequence estimation method and sequence estimator | Hiroshi Kubo, Kazuo Tanada | 2003-04-29 |
| 6347126 | Receiver with a frequency offset correcting function | Takayuki Nagayasu | 2002-02-12 |
| 6314387 | Method of sequence estimation | Hiroshi Kubo | 2001-11-06 |
| 6269124 | Data transmission system, receiver, and recording medium | Takayuki Nagayasu | 2001-07-31 |
| 6219388 | Digital data demodulating device for estimating channel impulse response | Kazuo Tanada, Hiroshi Kubo | 2001-04-17 |
| 5977820 | Phase estimating circuit and demodulating circuit | Yasushi Sogabe, Fumio Ishizu | 1999-11-02 |
| 5475710 | Adaptive equalizer and receiver | Fumio Ishizu, Kouji Ueda | 1995-12-12 |
| 5175747 | Equalizer | — | 1992-12-29 |
| 5068873 | Equalizer | — | 1991-11-26 |