Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7660227 | Optical information recording medium based on interference of converging spherical waves | Yajun Li | 2010-02-09 |
| 6771585 | Interference of converging spherical waves with application to the design of light-readable information-recording media and systems for reading such media | Yajun Li | 2004-08-03 |
| 6226113 | Coherence filters and systems utilizing same | — | 2001-05-01 |
| 4648039 | Compressional/shear wave separation in vertical seismic profiling | Anthony J. Devaney, Michael L. Oristaglio | 1987-03-03 |