Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9225514 | Method for image encryption and decryption incorporating physiological features and image capture device thereof | — | 2015-12-29 |
| 8218269 | Gimbal mounted slider assembly with ramp limiter transverse bar | Qinghua Zeng, Chao-Hui Yang, Ellis Cha | 2012-07-10 |
| 8054585 | Gimbal with assymmetric dynamic stiffness | Qinghua Zeng, Ellis Cha | 2011-11-08 |
| 8045295 | Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head | Ellis Cha, 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, Li Zhu, Chao-Hui Yang, Ellis Cha | 2011-09-27 |
| 8000061 | Gimbal mounted slider assembly with transverse bars connecting inner edges of ramp limiter arms | Qinghua Zeng, Chao-Hui Yang, Ellis Cha | 2011-08-16 |
| 7957104 | Suspension with bi-layer flexure base whose layers have different coefficients of thermal expansion to eliminate thermally induced flying height variations | Ellis Cha, Chao-Hui Yang | 2011-06-07 |
| 7907368 | Balanced head gimbal assembly for improved seeking performance | Qinghua Zeng, Li Zhu, Chao-Hui Yang, Ellis Cha | 2011-03-15 |
| 7885040 | Suspension with locally strengthened gimbal | Chao-Hui Yang, Qinghua Zeng, Ellis Cha | 2011-02-08 |
| 7701672 | Suspension with locally stiffened load beam | Qinghua Zeng, Chao-Hui Yang, Ellis Cha | 2010-04-20 |
| 7701673 | Gimbal design with solder ball bond pads and trailing edge limiter tab for a recording head | Jeffery Wang, Hai Ming Zhou, Chi Hung Yuen, Hong Tian | 2010-04-20 |
| 7684154 | Suspension gimbal designs with better dynamic performances | Qinghua Zeng, Chao-Hui Yang, Ellis Cha | 2010-03-23 |
| 7679857 | Non-contact measurement of slider fly height by electrostatic force | Li Zhu, Chao-Hui Yang, Ellis Cha | 2010-03-16 |
| 7617737 | Adjustment of pitch and roll static torques in a disk drive head gimbal assembly | Li Zhu, Chao-Hui Yang, Ellis Cha | 2009-11-17 |
| 7506552 | Micro torque and micro stiffness measurement device | Manuel Hernandez, Ellis Cha | 2009-03-24 |
| 7440219 | Non-contact measurement of slider fly height by electrostatic force | Li Zhu, Chao-Hui Yang, Ellis Cha | 2008-10-21 |
| 7433156 | Flexure for minimizing fly height modulation of near-contact recording sliders in a disk drive | Li Zhu, Chao-Hui Yang, Mannuel Hernandez, Ellis Cha | 2008-10-07 |
| 7391594 | Apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head | Ellis Cha, Po-Kang Wang, Hong Tian, Manuel Hernandez, Yaw-Shing Tang +1 more | 2008-06-24 |
| 7342750 | Method for providing electrical crossover in a laminated structure | Chao-Hui Yang, Li Zhu, Manny Hernandez, Ellis Cha, Yong Luo | 2008-03-11 |
| 7286325 | Method and apparatus for connecting metal structures on opposing sides of a circuit | Manuel Hernandez | 2007-10-23 |
| 7161767 | Wireless suspension design with ground plane structure | Manuel Hernandez | 2007-01-09 |
| 7085083 | Method for testing a micro-actuator in a magnetic tester | Li Zhu, Chao-Hui Yang, Xiaofeng Zhang, Ellis Cha | 2006-08-01 |
| 7064928 | Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head | Ellis Cha, Po-Kang Wang, Hong Tian, Manuel Hernandez, Yaw-Shing Tang +1 more | 2006-06-20 |
| 7046473 | Method and apparatus for active fly height control with heating and electrical charge | Ellis Cha, Zhu Feng | 2006-05-16 |
| 7042670 | Method for adjusting flying height of magnetic heads using an electrical charge through an electrical pad on the slider | Zhu Feng, Ellis Cha, David Hu | 2006-05-09 |