Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829939 | Method and apparatus for measuring sound that takes hearing characteristics into consideration | Kenji Kurakata | 2004-12-14 |
| 4228807 | Biofeedback device for recognition of .alpha. wave component and muscle potential component | Akihiro Yagi, Hiroyuki Kodama | 1980-10-21 |