Yu Sun
110Patents
16h-index
155Co-inventors
89Inventor score
Filing activity: May 15, 2000 → Dec 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7230789B1 | Method and apparatus for performing a self-servo write operation in a disk drive using spiral servo information | Physics | 73 | Expired |
| US7154689B1 | Apparatus for writing servo bursts on a disk with servo track pitch based on read element width and methods of manufacturing same | Physics | 65 | Expired |
| US7158325B1 | Disk drive head touchdown detection with improved discrimination | Physics | 55 | Expired |
| US8194359B2 | Piezoelectric element having etched portion to form stepped recesses between layers and manufacturing method thereof, head gimbal assembly, and disk drive device with the same | Emerging Cross-Sectional Technologies | 39 | Active |
| US7283321B1 | Disk drives and methods allowing for dual stage actuator adaptive seek control and microactuator gain calibration | Physics | 38 | Expired |
| US6523150B1 | Method of designing a voltage partitioned wirebond package | Electricity | 28 | Expired |
| US7545593B1 | Magnetic storage systems and methods with tighter write fault window to improve reliability | Physics | 25 | Expired |
| US7375911B1 | Piezoelectric actuator and sensor for disk drive dual-stage servo systems | Physics | 25 | Expired |
| US7551387B2 | Servo writing with offset compensation for prewritten reference | Physics | 25 | Active |
| US6584596B2 | Method of designing a voltage partitioned solder-bump package | Physics | 22 | Expired |
| US7414809B2 | Servo writing using radially overlapped servo segments | Physics | 22 | Active |
| US6977794B1 | Asymmetric seek velocity profile to improve power failure reliability for rigid disk drive with ramp | Physics | 21 | Expired |
| US7106542B1 | Method and apparatus for determining embedded runout correction values when self-servo writing or partial self-servo writing a disk drive | Physics | 19 | Expired |
| US7167336B1 | Method for providing variable gain, iterative embedded runout correction in a disk drive | Physics | 18 | Expired |
| US7728539B2 | Methods and apparatuses for measuring VCM BEMF at a VCM control update rate | Physics | 17 | Active |
| US7286317B1 | Disk drive that compensates for repeatable runout of a disk based on measured timing between servo information and methods thereof | Physics | 16 | Expired |
| US7619846B2 | Self-servo writing using staged patterning | Physics | 16 | Active |
| US7679851B1 | Methods and structure for improved disk head switching to avoid zipper zones | Physics | 16 | Active |
| US7054096B1 | Method and apparatus for determining embedded runout correction values | Physics | 15 | Expired |
| US7489469B2 | Embedded runout correction based on written-in runout measurement | Physics | 15 | Active |
| US6687081B1 | Disk drive using seek profile to enhance fly height control | Physics | 14 | Expired |
| US7474496B1 | Micro actuator DC gain calibration scheme for HDD dual-stage actuator systems | Physics | 13 | Active |
| US6785080B1 | Method and apparatus for providing a variable rate oversampling digital filter for resonance compensation in disk drive servo control systems | Physics | 12 | Expired |
| US6538314B1 | Power grid wiring for semiconductor devices having voltage islands | Electricity | 11 | Expired |
| US7193797B1 | Method and apparatus for detecting and monitoring a bi-state head when self-servowriting a disk drive using spiral servo information | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.