Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949749 | Optical disk, reproducing device and recording device therefor | Eiji Muramatsu, Shoji Taniguchi | 1999-09-07 |
| 5949751 | Optical recording medium and a method for reproducing information recorded from same | Eiji Muramatsu | 1999-09-07 |