Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384529 | Full color active matrix organic electroluminescent display panel having an integrated shadow mask | Ching W. Tang | 2002-05-07 |
| 6168901 | Recordable optical element using low absorption materials | Yuan-Sheng Tyan, Pranab K. Raychaudhuri, George R. Olin | 2001-01-02 |
| 6066357 | Methods of making a full-color organic light-emitting display | Ching W. Tang | 2000-05-23 |
| 6048573 | Method of making an organic light-emitting device | Ching W. Tang | 2000-04-11 |
| 5849458 | Recordable optical device including a barrier layer | Yuan-Sheng Tyan, Guiseppe Farruggia, Donald R. Preuss | 1998-12-15 |
| 5271978 | Optical recording media | Fridrich Vazan, Yuan-Sheng Tyan | 1993-12-21 |
| 5196284 | Erasable phase change optical recording elements and methods | Yuan-Sheng Tyan, Fridrich Vazan | 1993-03-23 |
| 5196294 | Erasable optical recording materials and methods based on tellurium alloys | Yuan-Sheng Tyan, Fridrich Vazan | 1993-03-23 |
| 5077181 | Optical recording materials comprising antimony-tin alloys including a third element | Yuan-Sheng Tyan, Fridrich Vazan, Donald R. Preuss | 1991-12-31 |
| 5051340 | Master for optical element replication | Yuan-Sheng Tyan, George R. Olin, Thomas Mayer | 1991-09-24 |
| 5015548 | Erasable phase change optical recording elements and methods | Yuan-Sheng Tyan, Fridrich Vazan | 1991-05-14 |
| 4981772 | Optical recording materials comprising antimony-tin alloys including a third element | Yuan-Sheng Tyan, Fridrich Vazan, Donald R. Preuss | 1991-01-01 |
| 4960680 | Recording elements comprising write-once thin film alloy layers | Yuan-Sheng Tyan, Donald R. Preuss | 1990-10-02 |
| 4865955 | Recording elements comprising write-once thin film alloy layers | Yuan-Sheng Tyan, Fridrich Vazan | 1989-09-12 |
| 4812385 | Recording elements comprising write-once thin film alloy layers | Yuan-Sheng Tyan, Donald R. Preuss | 1989-03-14 |
| 4812386 | Recording elements comprising write-once thin film alloy layers | Yuan-Sheng Tyan, Salvatore J. Marino | 1989-03-14 |
| 4798785 | Recording elements comprising write-once thin film alloy layers | Yuan-Sheng Tyan, Fridrich Vazan | 1989-01-17 |
| 4797871 | Erasable optical recording method | Yuan-Sheng Tyan, Fridrich Vazan | 1989-01-10 |
| 4795695 | Recording elements comprising write-once thin film alloy layers | Yuan-Sheng Tyan, Salvatore J. Marino | 1989-01-03 |
| 4774170 | Recording elements comprising write-once thin film alloy layers | Yuan-Sheng Tyan, Donald R. Preuss | 1988-09-27 |