Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759138 | Antiferromagnetically coupled magnetic recording medium with dual-layered upper magnetic layer | Hiroshi Tomiyasu, Teiichiro Umezawa, Kenji Ayama | 2004-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759138 | Antiferromagnetically coupled magnetic recording medium with dual-layered upper magnetic layer | Hiroshi Tomiyasu, Teiichiro Umezawa, Kenji Ayama | 2004-07-06 |