Ke Han
76Patents
13h-index
84Co-inventors
87Inventor score
Filing activity: Nov 26, 1996 → Nov 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6104835A | Automatic knowledge database generation for classifying objects and systems therefor | Physics | 100 | Expired |
| US7002761B1 | Demodulation compensation for spiral servo tracks in hard disk drives | Physics | 74 | Expired |
| US5808735A | Method for characterizing defects on semiconductor wafers | Physics | 73 | Expired |
| US7203013B1 | Method and apparatus for asymmetry correction in magnetic recording channels | Physics | 55 | Active |
| US7307807B1 | Disk servo pattern writing | Physics | 37 | Expired |
| US7079342B1 | Method and apparatus for asymmetry correction in magnetic recording channels | Physics | 26 | Expired |
| US6310739A | Method and system for detection recording media defacts | Physics | 21 | Expired |
| US6216148A | Adaptive analog equalizer for partial response channels | Physics | 20 | Expired |
| US8094400B1 | Asymmetry correction in read signal | Physics | 17 | Active |
| US7511910B1 | Asymmetry correction in read signal | Physics | 16 | Expired |
| US6810485B2 | Determining the timing of a data signal | Physics | 16 | Expired |
| US7298570B1 | Asymmetry correction in read signal | Physics | 15 | Expired |
| US10416311B2 | Systems and techniques for geofence crossing-based control | Electricity | 13 | Active |
| US7974034B1 | Systems and methods for sync mark detection using correlation | Physics | 12 | Active |
| US8049983B1 | Methods and apparatus for performing interpolated timing recovery | Physics | 11 | Active |
| US6148114A | Ring dilation and erosion techniques for digital image processing | Physics | 11 | Expired |
| US7881164B1 | Sync mark detection with polarity uncertainty | Physics | 10 | Active |
| US7307806B1 | Demodulation compensation for spiral servo tracks in hard disk drives | Physics | 9 | Expired |
| US7499233B1 | Multi-phase control information detection and signal polarity determination | Physics | 8 | Expired |
| US7885031B1 | Asymmetry correction in read signal | Physics | 7 | Active |
| US7548389B1 | Asymmetry correction in read signal | Physics | 7 | Active |
| US6728894B2 | System and method for clock adjustment by subsequently detecting a target bit of data stream, re-adjusting, and correcting clock based on difference in detected bit | Electricity | 6 | Expired |
| US7580216B1 | Disk servo pattern writing | Physics | 6 | Active |
| US7203017B1 | Timing recovery for data storage channels with buffered sectors | Physics | 5 | Expired |
| US7817368B1 | Asymmetry correction in read signal | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.