Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6937981 | Voice recognition system | Hiroshi Seo, Soichi Toyama | 2005-08-30 |
| 6873275 | Digital signal conversion apparatus, digital signal conversion method, and computer-readable recording medium in which digital signal conversion program is recorded | Keiichi Yamauchi | 2005-03-29 |