Singulus Mastering B.V.
Records under this name other than patents Singulus Mastering B.V. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,673,420 | Master disc having a PTM layer and a nickel undercoat Lapsed on the fee record Ended Mar 18, 2018 · From the USPTO record | Lapsed on the fee record | Ended Mar 18, 2018 | From the USPTO record |
| US 7,067,238 | Method for manufacturing a substrate for use in a stamper manufacturing process, as well as a substrate obtained by using such a method Lapsed on the fee record Ended Jun 27, 2014 · From the USPTO record | Lapsed on the fee record | Ended Jun 27, 2014 | From the USPTO record |
| US 7,023,785 | Method for manufacturing a record carrier as well as such a record carrier Lapsed on the fee record Ended Apr 4, 2014 · From the USPTO record | Lapsed on the fee record | Ended Apr 4, 2014 | From the USPTO record |
| US 6,159,664 | Method of manufacturing a matrix for producing optical disks without the medium of a master Lapsed on the fee record Ended Dec 12, 2012 · From the USPTO record | Lapsed on the fee record | Ended Dec 12, 2012 | From the USPTO record |
| US 6,501,723 | Device suitable for manufacturing an optical registration carrier, such as a master plate Lapsed on the fee record Ended Dec 31, 2010 · From the USPTO record | Lapsed on the fee record | Ended Dec 31, 2010 | From the USPTO record |
| US 6,865,554 | Device and method for producing an optical registration carrier by means of a master mold, an optical registration carrier Lapsed on the fee record Ended Mar 8, 2009 · From the USPTO record | Lapsed on the fee record | Ended Mar 8, 2009 | From the USPTO record |
| US 6,835,943 | Electron-beam lithography Lapsed on the fee record Ended Dec 28, 2008 · From the USPTO record | Lapsed on the fee record | Ended Dec 28, 2008 | From the USPTO record |
| US 6,423,477 | Method of manufacturing a stamper for producing optical discs, a stamper thus obtained and an optical disc obtained by using such a stamper Surrendered on reissue Surrendered on reissue Dec 19, 2006 · From the USPTO record | Surrendered on reissue | Surrendered on reissue Dec 19, 2006 | From the USPTO record |
| US 6,238,846 | Method of manufacturing a stamper suitable for producing optical discs Lapsed on the fee record Ended May 29, 2005 · From the USPTO record | Lapsed on the fee record | Ended May 29, 2005 | From the USPTO record |
| US 5,403,397 | Device for manufacturing a mold for a disc-shaped registration carrier Term ended Term ended no later than Apr 4, 2015 · Low confidence | Term ended | Term ended no later than Apr 4, 2015 | Low confidence |