Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057234 | Foreign language learning apparatus | Shinichi Sakamoto, Takeshi Nakaichi | 2011-11-15 |
| 7729907 | Apparatus and method for preventing senility | — | 2010-06-01 |
| 7502483 | Hearing aid, training device, game device, and audio output device | — | 2009-03-10 |
| 7421392 | Diagnosis device and diagnosis method | — | 2008-09-02 |