Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875121 | Magnetic head supporting device | Yoshito Tanaka | 1989-10-17 |
| 4796129 | Magnetic head device for improving head placement on a magnetic disc | Yoshito Tanaka | 1989-01-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875121 | Magnetic head supporting device | Yoshito Tanaka | 1989-10-17 |
| 4796129 | Magnetic head device for improving head placement on a magnetic disc | Yoshito Tanaka | 1989-01-03 |