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WESTERN DIGITAL FREMONT INC

Overview
  • Total Patents
    123
About

WESTERN DIGITAL FREMONT INC has a total of 123 patent applications. Its first patent ever was published in 1996. It filed its patents most often in United States and China. Its main competitors in its focus markets audio-visual technology, micro-structure and nano-technology and machines are READ RITE SMI CORP, YAMAGATA FUJITSU LTD and HITACHI GLOBAL STORAGE TECH.

Patent filings in countries

World map showing WESTERN DIGITAL FREMONT INCs patent filings in countries
# Country Total Patents
#1 United States 122
#2 China 1

Patent filings per year

Chart showing WESTERN DIGITAL FREMONT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Yingjian 21
#2 Shi Xizeng 19
#3 Sin Kyusik 17
#4 Wang Yugang 12
#5 Barr Ronald A 11
#6 Seagle David J 9
#7 Knapp Kenneth E 9
#8 Liu Francis H 9
#9 Dang Xiaozhong 8
#10 Huai Yiming 7

Latest patents

Publication Filing date Title
US7085104B1 Low profile head gimbal assembly with shock limiting and load/unload capability
US6969989B1 Method for characterizing a perpendicular recording head writing pole
US7474508B1 Head gimbal assembly with air bearing slider crown having reduced temperature sensitivity
US7041985B1 Manipulator for microscopy sample preparation and methods for making and use thereof
US6944938B1 Method of forming a magnetoresistive device
US7131346B1 Spin stand testing system with fine positioner for head stack assembly
US7124654B1 Method for determining a microactuator range of movement
US7027242B1 Method and apparatus for measuring write-induced pole tip protrusion
US7170725B1 Magnetic sensor having an aluminum-nitride seed layer for an anti-ferromagnetic layer
US7238292B1 Method of fabricating a write element with a reduced yoke length
US7092195B1 Method of using a magnetic write head having an internal heater
US7199975B1 Magnetic head for perpendicular recording with hard bias structure for write pole tip
US7193815B1 Shielded pole magnetic head for perpendicular recording
US6934113B1 Method and system for providing dynamic actuation of a write head using a strain element
US7248449B1 Magnetoresistive read sensor with reduced effective shield-to-shield spacing
US7212384B1 Magnetic read head with recessed hard bias and current leads
US7248433B1 Magnetic head with stitched top pole layer and single layer coil or solenoidal coil
US7199974B1 Read/write head with reduced pole tip protrusion
US7239478B1 Write element for perpendicular recording in a data storage system
US6809899B1 Magnetic heads for perpendicular recording with trapezoidal pole tips