Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603863 | Headphone apparatus for providing dynamic sound with vibrations and method therefor | — | 2003-08-05 |
AN
Atsushi Nagayoshi
Overall (2003): #259,829 of 273,478Top 100%
1
Patents 2003