Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533063 | Video equipment speaker device with acoustic lens | Kazuhiko Ikeuchi | 2003-03-18 |
| 6519348 | Speaker apparatus and television set | Kazuhiko Ikeuchi, Seiji Harada | 2003-02-11 |