Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807450 | Method of and apparatus for reproducing a plurality of information pieces | Yoshihiko Takenaka | 2004-10-19 |
| 5708631 | System for fast reproducing of information recorded on an optical disc | Yosihiko Takenaka | 1998-01-13 |