Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497988 | Phase-change recording element for write once applications | Yuan-Sheng Tyan, Thomas R. Cushman, Giuseppe Farruggia, George R. Olin, Fridrich Vazan +1 more | 2002-12-24 |
| 6365256 | Erasable phase change optical recording elements | Yuan-Sheng Tyan, Giuseppe Farruggia, Fridrich Vazan, Thomas R. Cushman, Donald R. Preuss | 2002-04-02 |