Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12387750 | DFH heater design | Kowang Liu, Ellis Cha | 2025-08-12 |
| 11289116 | Patterned reader shields for a cooler reader | Kowang Liu, Yuhui Tang, Qinghua Zeng, Ellis Cha | 2022-03-29 |
| 11211084 | Protective shields under touchdown conditions for thermally assisted perpendicular magnetic recording | Qinghua Zeng, Ellis Cha, Kowang Liu | 2021-12-28 |
| 10679653 | High power ratio mode for TAMR drives | Qinghua Zeng, Soramany Ka, Ellis Cha | 2020-06-09 |
| 10629233 | Bumper pad design for TAMR drives | Qinghua Zeng, Ellis Cha, Kowang Liu, Xuhui Jin | 2020-04-21 |
| 10360935 | Dual write heater for slider surface topography control in double perpendicular magnetic recording (PMR) writers | Kowang Liu, Qing Hua Zeng, Ellis Cha | 2019-07-23 |
| 9251829 | Head DFH protrusion shape calibration by HDI sensor | Qinghua Zeng, Ellis Cha | 2016-02-02 |