Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5864520 | Magneto-optical recording medium for magnetically induced super resolution | Masahiro Birukawa | 1999-01-26 |
| 5706259 | Magneto-optical recording medium for magnetically induced super resolution | Masahiro Birukawa | 1998-01-06 |