Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076014 | Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing method | Kazuo Tachiwana, Yoichi Hachitani, Xuelu Zou, Kinobu Osakabe | 2011-12-13 |
| 7972662 | Substrate for information recording medium, information recording medium and process for producing information recording medium | Xuelu Zou, Kenji Yamanaka, Junichi Horikawa | 2011-07-05 |
| 7964298 | Glass for chemical strengthening, substrate for information recording media and information recording media | Xuelu Zou | 2011-06-21 |