Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7346327 | Wireless receiving circuit and wireless portable device | Kunihiko Iizuka | 2008-03-18 |
| 6788736 | Matched filter | Kunihiko Iizuka | 2004-09-07 |
| 5684922 | Encoding and decoding apparatus causing no deterioration of sound quality even when sine-wave signal is encoded | Harumitsu Miyakawa | 1997-11-04 |
| 5506934 | Post-filter for speech synthesizing apparatus | — | 1996-04-09 |
| 5361323 | Signal encoding device | Yasumoto Murata, Shuichi Yoshikawa, Yuji Nishiwaki, Tomokazu Morio, Atsunori Kitoh | 1994-11-01 |
| 5016279 | Speech analyzing and synthesizing apparatus using reduced number of codes | Yoshiji Fujimoto | 1991-05-14 |