Ezawa; Sadaaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ezawa; Sadaaki.The latest application filed is for "apparatus for drilling pronunciation".
- Ezawa; Sadaaki - Hamamatsu JP
- Ezawa; Sadaaki - Iwata JP
- Ezawa; Sadaaki - Shizuoka JP
| Patent | Date |
|---|---|
| Apparatus for drilling pronunciation Grant 5,142,657 - Ezawa , et al. August 25, 1 | 1992-08-25 |
| Apparatus for drilling pronunciation Grant 4,969,194 - Ezawa , et al. November 6, 1 | 1990-11-06 |
| Electronic musical instrument Grant 4,498,364 - Ezawa February 12, 1 | 1985-02-12 |
| Electronic musical instrument Grant 4,424,730 - Ezawa January 10, 1 | 1984-01-10 |
| Tone-source apparatus for electronic musical instrument Grant 4,059,040 - Obayashi , et al. November 22, 1 | 1977-11-22 |
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