Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10483931 | Audio device, speaker device, and audio signal processing method | Tomoko Ninomiya | 2019-11-19 |
| 10477317 | Speaker structure | Yumi Shimada, Hiroyuki Shibakusa | 2019-11-12 |
KK
Katsumasa KOSUGE
Overall (2019): #153,054 of 560,194Top 30%
2
Patents 2019