Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4419017 | Electronic clock | Takashi Takezono | 1983-12-06 |
| 4247950 | Display for frequency received by radio receiver | Takeshi Takiya | 1981-01-27 |
| 4240316 | Keyboard type electronic musical instrument | Koji Tanaka, Yoshiro Nakayama, Hiroshi Kato | 1980-12-23 |
| 4216692 | Keyboard type automatic accompanying system | Koji Tanaka, Yoshiro Nakayama, Hiroshi Kato | 1980-08-12 |