Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691496 | Musical tone control apparatus for filter processing a musical tone waveform ONLY in a transient band between a pass-band and a stop-band | Takashi Suzuki, Katsushi Ishii, Yutaka Washiyama | 1997-11-25 |
| 5641929 | Apparatus for and method of generating musical tones | Katsushi Ishii, Yutaka Washiyama, Sayoko Hirano | 1997-06-24 |