Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4633750 | Key-touch value control device of electronic key-type musical instrument | — | 1987-01-06 |
| 4219615 | Color intensification process for sound images | — | 1980-08-26 |
| 4217806 | Automatic rhythm generating method and apparatus in electronic musical instrument | Yukio Tamada | 1980-08-19 |
| 4216284 | Color photographic light-sensitive material | Masayoshi Kawai, Tadao Shishido | 1980-08-05 |
| 4208210 | Process for forming an optical soundtrack | Masayoshi Kawai | 1980-06-17 |