Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215799 | Optical disk substrate and optical information-storage medium | Katsumi Uchiyama, Toshihiko Fujishima | 1993-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215799 | Optical disk substrate and optical information-storage medium | Katsumi Uchiyama, Toshihiko Fujishima | 1993-06-01 |