Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534711 | Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom | Stanford R. Ovshinsky, Wolodymyr Czubatyj, Patrick Klersy | 1996-07-09 |
| 5534712 | Electrically erasable memory elements characterized by reduced current and improved thermal stability | Stanford R. Ovshinsky, Patrick Klersy | 1996-07-09 |
| 5414271 | Electrically erasable memory elements having improved set resistance stability | Stanford R. Ovshinsky, Stephen J. Hudgens, Wolodymyr Czubatyj, Guy Wicker | 1995-05-09 |
| 5406509 | Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom | Stanford R. Ovshinsky, Qiuyi Ye, Wolodymyr Czubatyj | 1995-04-11 |
| 5341328 | Electrically erasable memory elements having reduced switching current requirements and increased write/erase cycle life | Stanford R. Ovshinsky, Stephen J. Hudgens, Wolodymyr Czubatyj, Guy Wicker | 1994-08-23 |
| 5335219 | Homogeneous composition of microcrystalline semiconductor material, semiconductor devices and directly overwritable memory elements fabricated therefrom, and arrays fabricated from the memory elements | Stanford R. Ovshinsky, Stephen J. Hudgens, Wolodymyr Czubatyj, Jesus Gonzalez-Hernandez, Hellmut Fritzsche +3 more | 1994-08-02 |
| 5296716 | Electrically erasable, directly overwritable, multibit single cell memory elements and arrays fabricated therefrom | Stanford R. Ovshinsky, Wolodymyr Czubatyj, Quiyi Ye, Stephen J. Hudgens | 1994-03-22 |
| 5166758 | Electrically erasable phase change memory | Stanford R. Ovshinsky, Stephen J. Hudgens, Wolodymyr Czubatyj, Guy Wicker | 1992-11-24 |
| 5128099 | Congruent state changeable optical memory material and device | Stanford R. Ovshinsky | 1992-07-07 |
| 4924436 | Data storage device having a phase change memory medium reversible by direct overwrite and method of direct overwrite | — | 1990-05-08 |
| 4876667 | Data storage device having a phase change memory medium reversible by direct overwrite | Randall R. Ross, Eric Bjornard | 1989-10-24 |
| 4676646 | Method and apparatus for controlling thickness of a layer of an optical data storage device by measuring an optical property of the layer | John Vala | 1987-06-30 |
| 4660175 | Data storage device having novel barrier players encapsulating the data storage medium | — | 1987-04-21 |
| 4622654 | Liquid crystal light valve with memory | Zvi Yaniv, John Vala | 1986-11-11 |
| 4621032 | Method of forming a data storage medium and data storage device by congruent sublimation | John P. deNeufville | 1986-11-04 |
| 4615969 | Method and apparatus for making a stamping master for video disk replication | — | 1986-10-07 |
| 4537670 | Apparatus for making a stamping master for video disk replication | — | 1985-08-27 |