Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876915 | Audio apparatus having tuner unit and digital reproducing unit | Yozo Tanaka, Masahiro Otsu, Hirotaka Oosuka | 2011-01-25 |
| 6618336 | Reproducing apparatus | Kohei Kanou, Minako Ishizuka, Takahiro Sato | 2003-09-09 |
| 6463014 | Reproducing apparatus | Kohei Kanou, Minako Ishizuka, Takahiro Sato | 2002-10-08 |
| 5463602 | Reproducing apparatus which can play multiple types of discs and biases focusing error signal based on disc type | Nobuyuki Oka, Toshio Sato | 1995-10-31 |