Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11202143 | Sound output assembly | — | 2021-12-14 |
| 10958998 | Sound output device | Kunito Takahashi, Tsuyoshi Okami | 2021-03-23 |
AS
Akiyoshi Sato
Overall (2021): #183,561 of 548,734Top 35%
2
Patents 2021