Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33558 | Electronic musical instrument forming tone waveforms | — | 1991-03-26 |
| 4794837 | Tone signal generator with code converter for converting stored waveshapes of different coding forms into a common coding form | — | 1989-01-03 |
| 4785702 | Tone signal generation device | — | 1988-11-22 |
| 4726276 | Slur effect pitch control in an electronic musical instrument | Masatada Wachi, Tokuji Hayakawa | 1988-02-23 |
| 4719833 | Tone signal generation device with interpolation of sample points | Tokuji Hayakawa | 1988-01-19 |
| 4701956 | Tone signal processing device | — | 1987-10-20 |
| 4566364 | Electronic musical instrument controlling a tone waveshape by key scaling | — | 1986-01-28 |
| 4554858 | Digital filter for an electronic musical instrument | Masatada Wachi | 1985-11-26 |
| 4548119 | Digital filter for an electronic musical instrument | Masatada Wachi | 1985-10-22 |
| 4409876 | Electronic musical instrument forming tone waveforms | — | 1983-10-18 |
| 4406204 | Electronic musical instrument of fixed formant synthesis type | — | 1983-09-27 |
| 4246823 | Waveshape generator for electronic musical instruments | Masatada Wachi, Koji Niimi | 1981-01-27 |
| 4213366 | Electronic musical instrument of wave memory reading type | Koji Niimi, Masatada Wachi | 1980-07-22 |