Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10284937 | Sound output and pickup device | — | 2019-05-07 |
HN
Hitoshi Nakatsukasa
Overall (2019): #444,769 of 560,194Top 80%
1
Patents 2019