Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10491984 | Speaker device | Kazuki Honda, Takafumi Yuasa, Toshiyuki Matsumura, Shuji Saiki, Satoshi Takayama +3 more | 2019-11-26 |
| 10462553 | Speaker device | Toshiyuki Matsumura, Shuji Saiki | 2019-10-29 |