Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181150 | Dual magnetic head for reading and writing information at high and low track density including erase gaps having an undulating shape | Yuichi Hayakawa, Hiroshi Tsutsui, Atsushi Hirano, Makoto Miyazaki | 1993-01-19 |