Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468598 | Magnetic disk and method of making thereof | Masahiro Hatakeyama, Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo +2 more | 2002-10-22 |
| 6099698 | Magnetic disc and method of manufacturing same | Masahiro Hatakeyama, Katsunori Ichiki, Kenji Watanabe, Kazuo Yamauchi, Shinta Kunitomo +2 more | 2000-08-08 |
| 4325994 | Coating metal for preventing the crevice corrosion of austenitic stainless steel and method of preventing crevice corrosion using such metal | Nobumitsu Kitashima, Norio Takahashi, Satoshi Kawamura | 1982-04-20 |