Issued Patents All Time
Showing 1–13 of 13 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 |
| 6229782 | High numerical aperture optical focusing device for use in data storage systems | Yugang Wang, Chuan He, Hong Chen, Charles C. Cheng, Ross W Stovall | 2001-05-08 |
| 6185051 | High numerical aperture optical focusing device for use in data storage systems | Hong Chen, Chuan He, Charles C. Cheng | 2001-02-06 |
| 6130779 | Near field magneto-optical head made using wafer processing techniques | Carl J. Carlson, Hong Chen, Chuan He, Charles C. Cheng, Ross W Stovall | 2000-10-10 |
| 6094803 | Wafer processing techniques for near field magneto-optical head | Carl J. Carlson, Hong Chen, Chuan He, Charles C. Cheng, Ross W Stovall | 2000-08-01 |
| 5461598 | Balanced focus actuator for an optical storage system | Alan B. Marchant | 1995-10-24 |
| 5292366 | Pumice containing composition | — | 1994-03-08 |
| 5235570 | Magneto-optic readout method and apparatus using polarization switching of readout beam | Clark N. Kurtz | 1993-08-10 |
| 5228914 | Pumice containing composition | — | 1993-07-20 |
| 5190027 | Heat radiant device for gas grills | — | 1993-03-02 |
| 5182735 | Magneto-optic readout apparatus using polarization switching of readout beam | Clark N. Kurtz | 1993-01-26 |
| 5017232 | Pomice containing composition | — | 1991-05-21 |
| 4947826 | Chimney and fireplace construction | — | 1990-08-14 |