Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10038963 | Speaker device and audio signal processing method | Masaki Katayama, Keiichi Imaoka | 2018-07-31 |
ST
Susumu Takumai
Overall (2018): #224,895 of 503,207Top 45%
1
Patents 2018