Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9674609 | Speaker device and audio signal processing method | Masaki Katayama, Susumu Takumai | 2017-06-06 |
KI
Keiichi Imaoka
Overall (2017): #349,628 of 506,227Top 70%
1
Patents 2017