Inventor

ZENG QINGHUA

US39 patents

⚠️ This page may combine multiple inventors who share the name “ZENG QINGHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZENG QINGHUA

SAE MAGNETICS HK LTD

Balanced head gimbal assembly for improved seeking performance

Touch down detection with HDI sensor DC mode

Method of reducing slider roll torque by balancing head gimbal assembly for improved seeking performance

Suspension with locally stiffened load beam

Suspension gimbal designs with better dynamic performances

Protective shields under touchdown conditions for thermally assisted perpendicular magnetic recording

Bumper pad design for TAMR drives

ABS design with soft bumper pads (SBP) for mitigating media damage and thermal erasure in hard disk drives (HDD)

High power ratio mode for TAMR drives

Gimbal with assymmetric dynamic stiffness

Suspension with locally strengthened gimbal

TD detection with enhanced HDIs signal

Gimbal mounted slider assembly with transverse bars connecting inner edges of ramp limiter arms

HITACHI GLOBAL STORAGE TECH

Shock mount assembly for attachment of an electronic device to a support structure

Disk drive with head-disk interaction sensor integrated with suspension

System and method for rigidly coupling a disk drive to a chassis of a computer

Hard disk drive (HDD) assembly of small form-factor HDD shock-mounted in frame having dimensions of larger form-factor HDD

Head-disk interaction sensor integrated with suspension

Apparatus and method for damping slider-gimbal coupled vibration of a hard disk drive

Method for adjusting the pitch and roll static torques in a disk drive head suspension assembly

Disk drive coupling apparatus for rigidly coupling a disk drive to a chassis of a computer

Disk drives with upstream-oriented heads

Method and apparatus for utilizing a small pad to increase a head to a disk interface reliability for a load/unload drive

ZENG QINGHUA

Measurement of spacing fluctuation

Spacing fluctuation compensation

Gimbal mounted slider assembly with ramp limiter transverse bar

Millisecond decay phosphors for AC LED lighting applications

Slider air bearing for mobile drives

WESTERN DIGITAL TECH INC

Energy-assisted magnetic recording data storage device with opportunistic boosted laser pre-biasing

Pole tip recession compensation by dual heater ratio optimization in a hard disk drive

Adaptive dual heater mode for hard disk drive

Touchdown detection and write-spacing setting in magnetic recording heads with protruding features

(unassigned)

Suspension having motion limiter for use with upstream-oriented heads

GS YUASA LITHIUM POWER INC

Connector assembly with integrated sense and balance line protection for multi-cell batteries

NGAN SIU YIN

Head DFH protrusion shape calibration by HDI sensor

INTEMATIX CORP

Long decay phosphors for lighting applications

HEADWAY TECH INC

Patterned reader shields for a cooler reader

HUANG WEIDONG

Slider with hook-shaped air compression mechanisms near trailing edge corners

UNIV NANJING AERONAUTICS & ASTRONAUTICS

Multipath suppression method based on steepest descent method