Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629649 | Information recording medium and method | Yukio Osaka, Takeshi Imura | 1986-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629649 | Information recording medium and method | Yukio Osaka, Takeshi Imura | 1986-12-16 |