Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6377535 | High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems | Hong Chen, Chuan He, Carl J. Carlson, Charles C. Cheng, Yugang Wang | 2002-04-23 |