Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6700941 | Digital demodulation apparatus | — | 2004-03-02 |
| 6542865 | Method and apparatus for subband coding, allocating available frame bits based on changable subband weights | Masato Fuma, Miyuki Okamoto | 2003-04-01 |
| 6430681 | Digital signal processor | — | 2002-08-06 |
| 6405229 | Digital filters | Koji Takano | 2002-06-11 |
| 6363406 | Audio data compression/expansion apparatus and digital filter | Koji Takano | 2002-03-26 |
| 6360240 | Digital filters | Koji Takano | 2002-03-19 |
| 6351437 | Tracking servo circuit | Koji Takano | 2002-02-26 |
| 6345285 | Logarithmic value calculation circuit | Masato Fuma | 2002-02-05 |
| 6314046 | Dual memory control circuit | Tomonori Kamiya | 2001-11-06 |
| 6279021 | Digital filters | Koji Takano | 2001-08-21 |
| 6260122 | Memory device | Masaru Matsui | 2001-07-10 |
| 6229461 | Encoder and decoder | — | 2001-05-08 |
| 6177812 | Phase detector | Yuji Sakai | 2001-01-23 |
| 5438532 | Digital filter for use in synthesizing filter or a separation filter | Koji Takano | 1995-08-01 |