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WESTERN DIGITAL (FREMONT) LLC

Overview
  • Total Patents
    93
  • GoodIP Patent Rank
    18,989
  • Filing trend
    ⇩ 100.0%
About

WESTERN DIGITAL (FREMONT) LLC has a total of 93 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2011. It filed its patents most often in United States, Hong Kong and China. Its main competitors in its focus markets audio-visual technology, machines and semiconductors are KOMMA YOSHIAKI, DUGAS MATTHEW P and VIVASTAR MATERIALS AG.

Patent filings in countries

World map showing WESTERN DIGITAL (FREMONT) LLCs patent filings in countries
# Country Total Patents
#1 United States 66
#2 Hong Kong 18
#3 China 8
#4 EPO (European Patent Office) 1

Patent filings per year

Chart showing WESTERN DIGITAL (FREMONT) LLCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mao Ming 15
#2 Liu Feng 14
#3 Li Shaoping 13
#4 Bai Zhigang 11
#5 Leng Qunwen 11
#6 Li Zhanjie 8
#7 Zheng Yuankai 8
#8 Rudy Steven C 8
#9 Bertero Gerardo A 8
#10 He Shihai 7

Latest patents

Publication Filing date Title
US9779765B1 Perpendicular magnetic recording writer having improved performance and wide area track erasure reliability
US9715889B1 Read sensor having an insulating layer capable of use in two-dimensional magnetic recording
US9697854B1 Heat assisted magnetic recording write apparatus having an inverse tapered waveguide
US9576598B1 Magnetic recording write apparatus having a pole and a magnetic separation layer
US9747935B1 Heat assisted magnetic recording writer having pole coupled with the NFT
US9786304B1 Method for providing heat assisted magnetic recording write apparatus having a near-field transducer with a sloped nose
US9711168B1 Method for providing a magnetic recording write apparatus by predefining side shields
US9786305B1 Magnetic read apparatus having multiple read sensors with reduced sensor spacing usable in two-dimensional magnetic recording applications
US9721591B1 Magnetic recording write apparatus having a pole having an aspect ratio greater than one and an auxiliary pole
US9558763B1 Magnetic recording write apparatus having a pole including an assist portion extending in the cross-track direction
US9478242B1 Magnetic recording apparatus having a recessed additional pole segment
US9734847B1 Characterizing a sensing circuit of a data storage device
US9740805B1 Method and system for detecting hotspots for photolithographically-defined devices
US9858951B1 Method for providing a multilayer AFM layer in a read sensor
US9767831B1 Magnetic writer having convex trailing surface pole and conformal write gap
US9754611B1 Magnetic recording write apparatus having a stepped conformal trailing shield
US9799351B1 Short yoke length writer having assist coils
US9564150B1 Magnetic read apparatus having an improved read sensor isolation circuit
US9812155B1 Method and system for fabricating high junction angle read sensors
US9659587B1 Magnetic head having a reader overcoat with DLC and a recessed writer overcoat without DLC