Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436072 | Multilayer magnetooptic recording media | Tukaram K. Hatwar | 1995-07-25 |
| 5407755 | Multilayer magnetooptic recording media | Charles F. Brucker, Tukaram K. Hatwar | 1995-04-18 |
| 5271978 | Optical recording media | Fridrich Vazan, Kee-Chuan Pan | 1993-12-21 |
| 5196294 | Erasable optical recording materials and methods based on tellurium alloys | Kee-Chuan Pan, Fridrich Vazan | 1993-03-23 |
| 5196284 | Erasable phase change optical recording elements and methods | Kee-Chuan Pan, Fridrich Vazan | 1993-03-23 |
| 5077181 | Optical recording materials comprising antimony-tin alloys including a third element | Kee-Chuan Pan, Fridrich Vazan, Donald R. Preuss | 1991-12-31 |
| 5051340 | Master for optical element replication | Kee-Chuan Pan, George R. Olin, Thomas Mayer | 1991-09-24 |
| 5015548 | Erasable phase change optical recording elements and methods | Kee-Chuan Pan, Fridrich Vazan | 1991-05-14 |
| 4981772 | Optical recording materials comprising antimony-tin alloys including a third element | Kee-Chuan Pan, Fridrich Vazan, Donald R. Preuss | 1991-01-01 |
| 4960680 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Donald R. Preuss | 1990-10-02 |
| 4904577 | Optical recording element and alloy for use therein | Pranab K. Raychaudhuri, Fridrich Vazan | 1990-02-27 |
| 4865955 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Fridrich Vazan | 1989-09-12 |
| 4812385 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Donald R. Preuss | 1989-03-14 |
| 4812386 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Salvatore J. Marino | 1989-03-14 |
| 4798785 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Fridrich Vazan | 1989-01-17 |
| 4797871 | Erasable optical recording method | Kee-Chuan Pan, Fridrich Vazan | 1989-01-10 |
| 4795695 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Salvatore J. Marino | 1989-01-03 |
| 4774170 | Recording elements comprising write-once thin film alloy layers | Kee-Chuan Pan, Donald R. Preuss | 1988-09-27 |
| 4319069 | Semiconductor devices having improved low-resistance contacts to p-type CdTe, and method of preparation | — | 1982-03-09 |
| 4315096 | Integrated array of photovoltaic cells having minimized shorting losses | Evelio A. Perez-Albuerne | 1982-02-09 |
| 4207119 | Polycrystalline thin film CdS/CdTe photovoltaic cell | — | 1980-06-10 |