Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5733623 | Recording media for recordable element | Pranab K. Raychaudhuri, George R. Olin, Yuan-Sheng Tyan | 1998-03-31 |
| 5725741 | Method of forming recordable optical element using low absorption materials | Pranab K. Raychaudhuri | 1998-03-10 |
| 5585158 | Recordable optical element using low absorption materials | Pranab K. Raychaudhuri | 1996-12-17 |
| 5271978 | Optical recording media | Yuan-Sheng Tyan, Kee-Chuan Pan | 1993-12-21 |
| 5196294 | Erasable optical recording materials and methods based on tellurium alloys | Kee-Chuan Pan, Yuan-Sheng Tyan | 1993-03-23 |
| 5196284 | Erasable phase change optical recording elements and methods | Kee-Chuan Pan, Yuan-Sheng Tyan | 1993-03-23 |
| 5077181 | Optical recording materials comprising antimony-tin alloys including a third element | Kee-Chuan Pan, Yuan-Sheng Tyan, Donald R. Preuss | 1991-12-31 |
| 5015548 | Erasable phase change optical recording elements and methods | Kee-Chuan Pan, Yuan-Sheng Tyan | 1991-05-14 |
| 4981772 | Optical recording materials comprising antimony-tin alloys including a third element | Kee-Chuan Pan, Yuan-Sheng Tyan, Donald R. Preuss | 1991-01-01 |
| 4904577 | Optical recording element and alloy for use therein | Yuan-Sheng Tyan, Pranab K. Raychaudhuri | 1990-02-27 |
| 4865955 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Yuan-Sheng Tyan | 1989-09-12 |
| 4798785 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Yuan-Sheng Tyan | 1989-01-17 |
| 4797871 | Erasable optical recording method | Yuan-Sheng Tyan, Kee-Chuan Pan | 1989-01-10 |