Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873599 | Magnetic head assembly for perpendicular magnetic recording | — | 1989-10-10 |
KS
Kuniaki Sueoka
Overall (1989): #85,374 of 140,708Top 65%
1
Patents 1989