Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9040147 | Cover glass for a mobile device | Kazuaki Hashimoto, Go Chiwata, Dongna Qin | 2015-05-26 |
| 7220446 | Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereof | Tomotaka Yokoyama, Hiroshi Tomiyasu, Nobuyuki Eto | 2007-05-22 |
| 6706427 | Management technique of friction coefficient based on surface roughness, substrate for information recording medium, information recording medium and manufacture method thereof | Tomotaka Yokoyama, Hiroshi Tomiyasu, Nobuyuki Eto | 2004-03-16 |