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Inventor

Chih-Ching Hu

Inventor
Pleasanton, CA, US

Overview

10→
Patents
2004–2020
Patent span
Physics
Primary field (CPC G)

Patents· 10 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 transducer47%
B82YSpecific uses or applications of nanostructures11%
G01RMeasuring electric variables11%
Y10TTechnical subjects covered by former us classification11%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load5%
C23CCoating metallic material5%
G05GControl devices or systems insofar as characterised by mechanical features only5%
H10NElectric solid-state devices not otherwise provided for5%
PatentTitleYear
10,777,222Two-dimensional magnetic recording (TDMR) read head structure with different stacked sensors and disk drive incorporating the structure202010,377,610Linear lifting device201910,249,329Current-perpendicular-to-the-plane (CPP) magnetoresistive (MR) sensor with wedge shaped free layer20199,940,956Apparatus and method for reducing corrosion in capping layer of magnetic recording reader20189,070,381'Magnetic recording read transducer having a laminated free layer'20158,760,822'Method and system for providing a read transducer having an extended pinned layer and soft magnetic bias structures with improved stability'20148,630,068'Method and system for providing a side shielded read transducer'20148,607,438'Method for fabricating a read sensor for a read transducer'20136,934,131'Spin valve with thermally stable pinned layer structure having ruthenium oxide specular reflecting layer'20056,800,565'Method of forming thin oxidation layer by cluster ion beam'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2005Patents assigned to VEECO INSTR INC (2)· patent assignee history
2004–2005Based in Rochester, NY, US· patent location history
2013–2018Patents assigned to WESTERN DIGITAL FREMONT LLC (5)· patent assignee history
2013–2014Patents assigned to HU CHIH-CHING (2)· patent assignee history
2013–2014Patents assigned to MAO MING (2)· patent assignee history
2013–2020Based in Pleasanton, CA, US· patent location history
2019–2020Patents assigned to WESTERN DIGITAL TECH INC (2)· patent assignee history
2019Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTERN DIGITAL FREMONT LLC52013–2018
HU CHIH-CHINGself22013–2014
MAO MING22013–2014
VEECO INSTR INC22004–2005
WESTERN DIGITAL TECH INC22019–2020
Locations
LocationPatentsSpan
Pleasanton, California, US72013–2020
Rochester, New York, US22004–2005
Taipei, TW12019