Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12317042 | Sub cone and loudspeaker | Yoshitaka KAWASHIMA, Yuki Ishii | 2025-05-27 |
| 12273672 | Loudspeaker | Hiroyuki Morimoto | 2025-04-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12317042 | Sub cone and loudspeaker | Yoshitaka KAWASHIMA, Yuki Ishii | 2025-05-27 |
| 12273672 | Loudspeaker | Hiroyuki Morimoto | 2025-04-08 |