Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484506 | Tuning control apparatus | — | 1984-11-27 |
| 4437377 | Digital electronic musical instrument | Tsuyoshi Mitarai | 1984-03-20 |
| 4419917 | Power saving device for an electronic musical instrument | — | 1983-12-13 |
| 4297715 | Electrostatic recording apparatus | Masaharu Tadauchi, Kiyohiko Tanno | 1981-10-27 |
| RE30411 | Process for purifying sodium hydroxide | Keiichi Nakaya, Suekazu Hirata | 1980-10-07 |