Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37785 | Recording/reproducing separation type magnetic head | Tadashi Imanaka, Hiroaki Koyanagi, Fumiomi Ueda | 2002-07-09 |
| 5894380 | Recording/reproducing separation type magnetic head | Tadashi Imanaka, Hiroaki Koyanagi, Fumiomi Ueda | 1999-04-13 |