Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7142393 | Magnetic head and magnetic disk apparatus | Koki Kanda, Minoru Takahashi, Takao Koshikawa, Katsuhide Sone, Muneo Kamiguchi | 2006-11-28 |
| 6282061 | Magnetic head with improved floating surface | Koki Kanda, Minoru Takahashi, Takao Koshikawa, Katsuhide Sone, Muneo Kamiguchi | 2001-08-28 |
| 6262858 | Magnetic disk device for controlling a sense current supplied to a magneto-resistive head based on an ambient temperature | Hiroshi Sugiyama | 2001-07-17 |
| 6132875 | Magnetic recording medium and magnetic head having carbon protective layers | Eishin Yamakawa, Yoshito Kitamoto, Makoto Watanabe, Masahiro Takagi, Akira Kikuchi | 2000-10-17 |
| 5589262 | Perpendicular magnetic recording medium having a soft magnetic underlayer with a stripe magnetic domain structure | Hiroaki Wakamatsu, Fumitake Suzuki, Takao Koshikawa | 1996-12-31 |
| 5047297 | Magnetic recording medium and manufacturing method thereof | Hiroaki Wakamatsu, Yoshihiro Mitobe | 1991-09-10 |