Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6944309 | Headphone system | Kenichi Terai, Hiroyuki Hashimoto, Isao Kakuhari | 2005-09-13 |
HH
Hiroshi Hamanaka
Overall (2005): #190,384 of 245,428Top 80%
1
Patents 2005