Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7019611 | Modem coupling circuit for power-line carrier | Takashi Kaku, Fumishiro Tsuda, Toshiro Tojo, Toshiya Sato, Hideaki Yamauchi +1 more | 2006-03-28 |
| 6002724 | Transmission apparatus and control method therefor | Takashi Kaku, Takeshi Asahina, Ryoji Okita | 1999-12-14 |
| 5896420 | Transmission apparatus having echo cancellation facility | Takashi Kaku, Takeshi Asahina, Ryoji Okita | 1999-04-20 |
| 5631923 | Two-wire full-duplex modem | Takashi Kaku | 1997-05-20 |