Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10839843 | TD detection with enhanced HDIs signal | Qinghua Zeng, Ellis Cha | 2020-11-17 |
| 10679653 | High power ratio mode for TAMR drives | Qinghua Zeng, Siu Yin Ngan, Ellis Cha | 2020-06-09 |
| 8976481 | Touch down detection with HDI sensor DC mode | Qinghua Zeng, Ellis Cha | 2015-03-10 |
| 8717702 | Measurement of spacing fluctuation | Qinghua Zeng, Ellis Cha | 2014-05-06 |