Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12388406 | Acoustic apparatus | Masao Noro | 2025-08-12 |
| 10819293 | Power amplifier | — | 2020-10-27 |
| 10659888 | Sensor output device, sound output device, and musical instrument | Susumu Ishibashi, Masao Noro, Tomonobu Sugimoto | 2020-05-19 |