Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12389164 | Loudspeaker | Kengo Takeda, Tetsushi Itano | 2025-08-12 |
| 11153689 | Loudspeaker and method of manufacturing loudspeaker | Takuji Miyamoto, Kengo Takeda | 2021-10-19 |
| 10085079 | Loudspeaker and loudspeaker structure | Hitoshi Sato | 2018-09-25 |