Inventor · Chiyoda, JP

Junguo Xu

30Patents
9h-index
45Co-inventors
71Inventor score

Filing activity: Feb 13, 2001 → Aug 25, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6963464B2 Magnetic head heating element in a disk drive Physics 43 Expired
US6798605B2 Magnetic disk apparatus and method of controlling the same Physics 29 Expired
US7271975B2 Controlling head flying height in a data storage device Physics 24 Expired
US7088543B2 Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension Physics 18 Expired
US6690543B2 Magnetic disk drive with air bearing surface pad on movable portion and method of controlling Physics 18 Expired
US9355668B2 Hard disk drive with contact detection using a spin torque oscillator Physics 16 Active
US8797693B1 Implementing enhanced ESD prevention for hard disk drives using spin-torque oscillator (STO) Physics 13 Active
US8116037B2 Disk drive including head-slider configured to suppress lubricant droplet accumulation Physics 9 Active
US8477455B2 Noise and particle shield for contact sensor in a slider Physics 9 Active
US7209309B2 Magnetic disk apparatus and method of controlling the same Physics 6 Expired
US6920009B2 Magnetic disk apparatus and position control method for magnetic head slider thereof Physics 5 Expired
US8670116B2 Method and device for inspecting for defects Electricity 4 Active
US7474504B2 Magnetic head heating element in a disk drive Physics 4 Active
US6633455B2 Slider capable of reducing distance between head element and recording medium, and recording apparatus incorporating same Physics 4 Expired
US7375913B2 Suspension having magnetic head assembly mounted thereon and magnetic recording disk drive using the suspension Physics 3 Active
US9007724B1 Head structure with electric damage protection for a microwave-assisted hard disk drive Physics 3 Active
US7038883B2 Magnetic head slider, support therefor and magnetic disk unit Physics 2 Expired
US8315016B2 Head slider, head assembly, and magnetic disk device Physics 2 Active
US8218266B2 Head slider Physics 2 Active
US8885274B1 Implementing surface analysis test (SAT) function for microwave-assisted magnetic recording (MAMR) HDD with embedded contact sensor (ECS) and spin torque oscillator (STO) signals Physics 2 Active
US7042678B2 Magnetic head slider and magnetic disc unit Physics 2 Expired
US8102626B2 Disk drive and head slider Physics 1 Active
US9159348B2 Systems and methods for clearance monitoring in storage media Physics 1 Active
US9311945B2 Magnetic head for microwave assisted magnetic recording Physics 1 Active
US8184397B2 Hard-disk drive with vapor-phase lubricant supply system Physics 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.