Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12046374 | Digital twin | Zhiqing Cheng | 2024-07-23 |
| 9536007 | Method for location-based asset management | Xinguo Wei | 2017-01-03 |
| 7579960 | Method for location-based asset management | Xinguo Wei | 2009-08-25 |
| 6806813 | Method for location-based asset management | Xinguo Wei | 2004-10-19 |
| 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, Joseph J. Miceli, Yugang Wang | 2002-04-23 |
| 6229782 | High numerical aperture optical focusing device for use in data storage systems | Yugang Wang, Chuan He, Hong Chen, Joseph J. Miceli, Ross W Stovall | 2001-05-08 |
| 6212153 | High NA solid catadioptric focusing device having a flat kinoform phase profile | Hong Chen, Chuan He, Ross W Stovall | 2001-04-03 |
| 6185051 | High numerical aperture optical focusing device for use in data storage systems | Hong Chen, Chuan He, Joseph J. Miceli | 2001-02-06 |
| 6130779 | Near field magneto-optical head made using wafer processing techniques | Carl J. Carlson, Joseph J. Miceli, Hong Chen, Chuan He, Ross W Stovall | 2000-10-10 |
| 6094803 | Wafer processing techniques for near field magneto-optical head | Carl J. Carlson, Joseph J. Miceli, Hong Chen, Chuan He, Ross W Stovall | 2000-08-01 |
| 5986978 | Read/write head and method for magnetic reading and magneto-optical writing on a data storage medium | Robert Earl Rottmayer, Xizeng Shi, Lijun Tong, Hua-Ching Tong | 1999-11-16 |
| 5986995 | High NA catadioptric focusing device having flat diffractive surfaces | Chuan He, Hong Chen | 1999-11-16 |
| 4224509 | Holographic scanning system | — | 1980-09-23 |