Inventor

Guanxiong Li

Inventor
Fremont, CA, US

Overview

23→
Patents
2010–2021
Patent span
Physics
Primary field (CPC G)

Patents· 23 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer25%
Y10TTechnical subjects covered by former us classification17%
G01RMeasuring electric variables13%
H10NElectric solid-state devices not otherwise provided for11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
B01LChemical or physical laboratory apparatus for general use4%
B82YSpecific uses or applications of nanostructures4%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms4%
C40BCombinatorial chemistry4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
PatentTitleYear
10,983,459Liquid electrophotographic ink developer unit202110,777,222Two-dimensional magnetic recording (TDMR) read head structure with different stacked sensors and disk drive incorporating the structure202010,629,230Method of forming a magnetic head20209,812,155'Method and system for fabricating high junction angle read sensors'20179,431,040'Magnetic recording transducer'20169,412,400'Tunnel magnetoresistance read head with narrow shield-to-shield spacing'20169,406,331'Method for making ultra-narrow read sensor and read transducer device resulting therefrom'20169,396,743'Systems and methods for controlling soft bias thickness for tunnel magnetoresistance readers'20169,065,043'Tunnel magnetoresistance read head with narrow shield-to-shield spacing'20159,042,058'Shield designed for middle shields in a multiple sensor array'20159,030,784'Magnetic head having a magnetoresistive junction and side oxide layers'20158,883,017'Method and system for providing a read transducer having seamless interfaces'20148,760,822'Method and system for providing a read transducer having an extended pinned layer and soft magnetic bias structures with improved stability'20148,711,528'Tunnel magnetoresistance read head with narrow shield-to-shield spacing'20148,607,438'Method for fabricating a read sensor for a read transducer'20138,416,540'Method for defining a magnetoresistive junction using multiple mills at a plurality of angles'20138,343,364'Double hard-mask mill back method of fabricating a near field transducer for energy assisted magnetic recording'20138,343,319'Method and system for providing an improved hard bias structure'20138,334,093'Method and system for providing a perpendicular magnetic recording head'20128,318,093'Magnetic nanoparticles, magnetic detector arrays, and methods for their use in detecting biological molecules'20128,233,248'Method and system for providing a magnetic recording transducer using a line hard mask'20127,906,345'Magnetic nanoparticles, magnetic detector arrays, and methods for their use in detecting biological molecules'20117,682,838'Magnetic nanoparticles, magnetic detector arrays, and methods for their use in detecting biological molecules'2010

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2012Patents assigned to UNIV LELAND STANFORD JUNIOR (3)· patent assignee history
2010–2012Based in Stanford, CA, US· patent location history
2012–2016Patents assigned to WESTERN DIGITAL FREMONT LLC (12)· patent assignee history
2012–2016Patents assigned to LI GUANXIONG (9)· patent assignee history
2012–2016Patents assigned to MAO MING (5)· patent assignee history
2012–2020Based in Fremont, CA, US· patent location history
2016–2017Patents assigned to WESTERN DIGITAL (FREMONT) LLC (4)· patent assignee history
2021Based in San Diego, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTERN DIGITAL FREMONT LLC122012–2016
LI GUANXIONGself92012–2016
MAO MING52012–2016
WESTERN DIGITAL (FREMONT) LLC42016–2017
UNIV LELAND STANFORD JUNIOR32010–2012
Locations
LocationPatentsSpan
Fremont, California, US192012–2020
Stanford, California, US32010–2012
San Diego, California, US12021