Issued Patents All Time
Showing 1–25 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12387750 | DFH heater design | Siu Yin Ngan, Kowang Liu | 2025-08-12 |
| 11289116 | Patterned reader shields for a cooler reader | Kowang Liu, Yuhui Tang, Siu Yin Ngan, Qinghua Zeng | 2022-03-29 |
| 11232812 | Air-bearing surface (ABS) design with side flow blocker for mitigating lube and hydrocarbon accumulation in hard disk drives (HDD) | Guoqiang Zheng | 2022-01-25 |
| 11211084 | Protective shields under touchdown conditions for thermally assisted perpendicular magnetic recording | Qinghua Zeng, Siu Yin Ngan, Kowang Liu | 2021-12-28 |
| 11114121 | Air-bearing surface (ABS) design to reduce particle scratch risk | Ben Pan | 2021-09-07 |
| 10839843 | TD detection with enhanced HDIs signal | Qinghua Zeng, Soramany Ka | 2020-11-17 |
| 10811046 | Air-bearing surface (ABS) design to reduce particle scratch risk | Ben Pan | 2020-10-20 |
| 10679653 | High power ratio mode for TAMR drives | Qinghua Zeng, Siu Yin Ngan, Soramany Ka | 2020-06-09 |
| 10629233 | Bumper pad design for TAMR drives | Siu Yin Ngan, Qinghua Zeng, 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, Siu Yin Ngan, Qing Hua Zeng | 2019-07-23 |
| 9940960 | Air-bearing design for hydrocarbon and lube pick-up improvements in hard disk drive (HDD) | Sindy Yeung, Penny Wan Ting Looi, Ben Kwun Pan Ng | 2018-04-10 |
| 9892746 | ABS design with soft bumper pads (SBP) for mitigating media damage and thermal erasure in hard disk drives (HDD) | Guoqiang Zheng, Zhijun Liu, Qinghua Zeng | 2018-02-13 |
| 9251829 | Head DFH protrusion shape calibration by HDI sensor | Siu Yin Ngan, Qinghua Zeng | 2016-02-02 |
| 8976481 | Touch down detection with HDI sensor DC mode | Qinghua Zeng, Soramany Ka | 2015-03-10 |
| 8867172 | ABS design for uniform touch-down and back-off in DFH applications | Guoqiang Zheng, Wan Ting Looi, Kwun Pan Ng | 2014-10-21 |
| 8767339 | Spacing fluctuation compensation | Qinghua Zeng | 2014-07-01 |
| 8717702 | Measurement of spacing fluctuation | Qinghua Zeng, Soramany Ka | 2014-05-06 |
| 8576671 | ABS design with multiple heaters | Ben Kwun Pan Ng | 2013-11-05 |
| 8274751 | Electrical current as probe for modulation at head-disk interface | Zhu Feng, Xiaofeng Zhang | 2012-09-25 |
| 8218269 | Gimbal mounted slider assembly with ramp limiter transverse bar | Qinghua Zeng, Chao-Hui Yang, Yen Fu | 2012-07-10 |
| 8184405 | Air-bearing slider design for sub-nanometer clearance in hard disk drive (HDD) | Guoqiang Zheng, Zhu Feng, Sindy Yeung | 2012-05-22 |
| 8139306 | Electrical current as probe for modulation at head-disk interface | Zhu Feng, Xiaofeng Zhang | 2012-03-20 |
| 8054585 | Gimbal with assymmetric dynamic stiffness | Qinghua Zeng, Yen Fu | 2011-11-08 |
| 8045295 | Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head | Yen Fu, Po-Kang Wang, Hong Tian, Manuel Hernandez, Yaw-Shing Tang +1 more | 2011-10-25 |
| 8027127 | Method of reducing slider roll torque by balancing head gimbal assembly for improved seeking performance | Qinghua Zeng, Yen Fu, Li Zhu, Chao-Hui Yang | 2011-09-27 |