Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8561093 | Stacking techniques for thin optical data storage media | James M. DePuydt | 2013-10-15 |
| 8137782 | Optical media manufactured with low-grade materials | James M. DePuydt, Ramnath Subramaniam | 2012-03-20 |