Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364735 | Multiple layer optical record medium with protective layers and method for producing same | Masato Yamamura | 1994-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364735 | Multiple layer optical record medium with protective layers and method for producing same | Masato Yamamura | 1994-11-15 |