Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 7670978 | Optical glass, precision press molding preform and optical element | Yoshiko Kasuga, Xuelu Zou | 2010-03-02 |
| 7601446 | Substrate for information recording medium, information recording medium and method for manufacturing same | Xuelu Zou | 2009-10-13 |
| 7595272 | Optical glass, press-molding preform, process for the production thereof, optical element and process for the production thereof | Xuelu Zou | 2009-09-29 |
| 7595273 | Glass substrate for information recording medium, process for producing the glass substrate, information recording medium, and process for producing the same | Xuelu Zou | 2009-09-29 |
| 7462411 | Substrate for information recording medium, information recording medium and process for producing the same | Xuelu Zou | 2008-12-09 |
| 7208238 | Substrate for information recording medium, information recording medium and process for producing information recording medium | Xuelu Zou, Kenji Yamanaka, Junichi Horikawa | 2007-04-24 |
| 7090937 | Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is applied | Atsuko Morita, Xuelu Zou | 2006-08-15 |
| 6818576 | Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is applied | Atsuko Morita, Xuelu Zou | 2004-11-16 |