Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8552716 | Testing methods for magnetic heads and magnetic storage devices assembled with the magnetic heads | Makoto Ono | 2013-10-08 |
| 6491802 | Magnetic film forming system | Yasushi Ishikawa, Hiroo Ohkawa, Keiji Arimatsu, Takashi Hagiya, Hirosuke Yamaguchi | 2002-12-10 |
| RE37785 | Recording/reproducing separation type magnetic head | Yukio Sasada, Tadashi Imanaka, Hiroaki Koyanagi | 2002-07-09 |
| 6290824 | Magnetic film forming system | Yasushi Ishikawa, Hiroo Ohkawa, Keiji Arimatsu, Takashi Hagiya, Hirosuke Yamaguchi | 2001-09-18 |
| 5894380 | Recording/reproducing separation type magnetic head | Yukio Sasada, Tadashi Imanaka, Hiroaki Koyanagi | 1999-04-13 |