Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12040760 | Audio device and audio signal processing method | Yuumi KUROSAKA, Takanori Shimizu | 2024-07-16 |
| 10483931 | Audio device, speaker device, and audio signal processing method | Tomoko Ninomiya | 2019-11-19 |
| 10477317 | Speaker structure | Yumi Shimada, Hiroyuki Shibakusa | 2019-11-12 |