Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627095 | Magnetic recording disk and method of manufacturing same | Masahiro Hatakeyama, Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo +1 more | 2003-09-30 |
| 6468598 | Magnetic disk and method of making thereof | Masahiro Hatakeyama, Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo +2 more | 2002-10-22 |
| 6194048 | Magnetic recording disk | Masahiro Hatakeyama, Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo +1 more | 2001-02-27 |
| 6099698 | Magnetic disc and method of manufacturing same | Masahiro Hatakeyama, Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo +2 more | 2000-08-08 |