Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7072429 | Filter coefficient setting technique for variable filtering process and variable sampling frequency conversion | — | 2006-07-04 |
| 6732132 | Digital signal processor and digital signal processing system incorporating same | — | 2004-05-04 |
| 6445320 | A/D conversion apparatus | Masao Noro, Ryo Kamiya | 2002-09-03 |
| 6428671 | Method and apparatus for electro-coagulation printing and electrode control unit | Masao Noro, Kunimasa Muroi, Koji Toda | 2002-08-06 |
| 6205459 | Digital signal processor and digital signal processing system incorporating same | — | 2001-03-20 |
| 5806037 | Voice synthesis system utilizing a transfer function | — | 1998-09-08 |
| 5768316 | Mixing circuit utilizing N inputs and a number of decimation filters that is less than N | — | 1998-06-16 |
| 5631586 | Sine-wave generator circuit | — | 1997-05-20 |
| 5568517 | Decoding device for performing amplitude-phase demodulation and viterbi decoding | Ryo Kamiya | 1996-10-22 |
| 5451944 | Sampling frequency converter by linear interpolation | — | 1995-09-19 |
| 5436932 | For performing amplitude-phase demodulation and viterbi decoding | Ryo Kamiya | 1995-07-25 |
| 5406632 | Method and device for correcting an error in high efficiency coded digital data | Akitoshi Saito | 1995-04-11 |
| 5230009 | Method for deciding region of PI/4 shift quadriphase shift keying modulated signals | — | 1993-07-20 |
| 4884037 | FM demodulation circuit | — | 1989-11-28 |