Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718217 | Digital audio tone evaluating system | Hironobu Shinohara, Naraji Sakamoto, Tetsuo Fujihara | 2004-04-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718217 | Digital audio tone evaluating system | Hironobu Shinohara, Naraji Sakamoto, Tetsuo Fujihara | 2004-04-06 |