Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11769517 | Signal processing apparatus, signal processing method, and signal processing program | Akihiko Sugiyama | 2023-09-26 |
| 11743662 | Voice input/output apparatus, hearing aid, voice input/output method, and voice input/output program | Kouji OOSUGI, Takayuki Arakawa, Akihiko Sugiyama | 2023-08-29 |