Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336844 | Information storage medium and apparatus for reproducing information therefrom | Toshihiko Shimizu, Satomi Sudo | 1994-08-09 |
| 5294745 | Information storage medium and apparatus for reproducing information therefrom | Toshihiko Shimizu, Satomi Sudo | 1994-03-15 |