Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831475 | Magnetic disc device including device for controlling humidity in a disc enclosure | Masatoshi Kakuda, Chiaki Kawamura | 1989-05-16 |
| 4827362 | Magnetic disk device having compensation for dimensional change | — | 1989-05-02 |