Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858048 | Complex magnetic transducer head of single magnetic pole type for perpendicular mode recording | Kiyonori Hayakawa | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858048 | Complex magnetic transducer head of single magnetic pole type for perpendicular mode recording | Kiyonori Hayakawa | 1989-08-15 |