Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9674609 | Speaker device and audio signal processing method | Susumu Takumai, Keiichi Imaoka | 2017-06-06 |
MK
Masaki Katayama
Overall (2017): #322,957 of 506,227Top 65%
1
Patents 2017