Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7343544 | Optical disk playback apparatus and data playback method therefor | — | 2008-03-11 |
| 5559461 | Drive circuit detecting slow signal transition | Masakazu Yamashina, Masayuki Mizuno | 1996-09-24 |