Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5819307 | Control method in which frequency of data erasures is limited | Norishige Iwamoto, Hideomi Watanabe, Ken Ryu | 1998-10-06 |
| 4527273 | Magnetic disc device | Hideo Matsuura | 1985-07-02 |