Issued Patents All Time
Showing 1–3 of 3 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 |
| 4760476 | Drive mechanism for a magnetic disk reading head | Saburo Hasegawa | 1988-07-26 |