Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073133 | Echo canceler and echo canceling method | Takashi Ishiguro, Yuzuru Masuya, Junji ARAI | 2011-12-06 |
| 7715374 | Redundancy gateway system | Yuzuru Masuya, Koichi Yamazaki, Takashi Ishiguro, Yasuhiro Tazoi, Junji ARAI +1 more | 2010-05-11 |
| 5926626 | Network bridge using only hardware to process media access control (MAC) packet-switching operations | Yorihisa Takeuchi, Kenichi Uchino, Jiro Asoh | 1999-07-20 |