Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881141 | Driving apparatus for a magnetic head | Saburo Hasegawa | 1989-11-14 |
| 4878139 | Loading apparatus for a magnetic disk cartridge | Saburo Hasegawa | 1989-10-31 |
EM
Eiji Minai
Overall (1989): #28,415 of 140,708Top 25%
2
Patents 1989