Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11240592 | Bass reflex port and acoustic device | Akira Miki, Katsuya Uchida | 2022-02-01 |
HO
Hirofumi Onitsuka
Overall (2022): #432,149 of 548,613Top 80%
1
Patents 2022