Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332123 | Mouth shape synthesizing | Masahide Kaneko, Atsushi Koike, Yoshinori Hatori, Seiichi Yamamoto | 2001-12-18 |
| 4907279 | Pitch frequency generation system in a speech synthesis system | Seiichi Yamamoto, Toru Shimizu | 1990-03-06 |
| 4896359 | Speech synthesis system by rule using phonemes as systhesis units | Seiichi Yamamoto, Toru Shimizu | 1990-01-23 |