Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11395053 | Speaker housing | Yu TSUCHIHASHI | 2022-07-19 |
| 11323799 | Supporter and electroacoustic transducer device | Yu TSUCHIHASHI, Satoshi GOUGI, Atsushi Hattori, Kazuhiko NISHIZAWA | 2022-05-03 |
| 11240592 | Bass reflex port and acoustic device | Hirofumi Onitsuka, Katsuya Uchida | 2022-02-01 |