Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842708 | Perpendicular magnetic recording medium, method for producing the same, and sputtering device | Sadao Kadokura, Kazuhiko Honjo, Takashi Tomie | 1989-06-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842708 | Perpendicular magnetic recording medium, method for producing the same, and sputtering device | Sadao Kadokura, Kazuhiko Honjo, Takashi Tomie | 1989-06-27 |