Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833713 | Voice recognition system | Tetsuya Muroi, Seigou Yasuda, Toshiki Kawamoto | 1989-05-23 |
| 4827519 | Voice recognition system using voice power patterns | Tetsuya Muroi | 1989-05-02 |