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Erhard Theodor Schreck
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Regenerative braking for tape drive
Patent number
11,978,479
Issue date
May 7, 2024
Western Digital Technologies, Inc.
Erhard Schreck
G11 - INFORMATION STORAGE
Information
Patent Grant
Full disk serpentine write path for tamper-proof disk drive
Patent number
11,934,687
Issue date
Mar 19, 2024
Western Digital Technologies, Inc.
Erhard Schreck
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Heat treatment of NFT and surrounding material
Patent number
11,881,230
Issue date
Jan 23, 2024
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Preamplifier with read/write power channels
Patent number
11,735,210
Issue date
Aug 22, 2023
Western Digital Technologies, Inc.
Joey M. Poss
G11 - INFORMATION STORAGE
Information
Patent Grant
Long-term spacing compensation for heat assisted magnetic recording
Patent number
11,715,493
Issue date
Aug 1, 2023
Western Digital Technologies, Inc.
Erhard Schreck
G11 - INFORMATION STORAGE
Information
Patent Grant
Data timestamp and read counter for magnetic recording devices
Patent number
11,694,722
Issue date
Jul 4, 2023
Western Digital Technologies, Inc.
Shaomin Xiong
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape assemblies having movable reel configurations for magnetic rec...
Patent number
11,562,769
Issue date
Jan 24, 2023
Western Digital Technologies, Inc.
Erhard Schreck
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat treatment of NFT on heat-assisted magnetic recording device
Patent number
11,170,814
Issue date
Nov 9, 2021
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording device capable of providing negati...
Patent number
10,910,007
Issue date
Feb 2, 2021
Western Digital Technologies, Inc.
Tan Trinh
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device measuring air bearing resonant frequency to cal...
Patent number
10,783,913
Issue date
Sep 22, 2020
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device detecting abnormality with a write assist eleme...
Patent number
10,699,736
Issue date
Jun 30, 2020
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Hard disk drive with write gap conductive structure and dual indepe...
Patent number
10,650,850
Issue date
May 12, 2020
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
HAMR thermal sensor with fast response time
Patent number
10,564,053
Issue date
Feb 18, 2020
Western Digital Technologies, Inc.
John T. Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic storage device with heat-assisted magnetic storage head an...
Patent number
10,468,071
Issue date
Nov 5, 2019
Western Digital Technologies, Inc.
Kenji Tasaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and system for determining slider-disk contact in a magnetic...
Patent number
10,395,678
Issue date
Aug 27, 2019
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Electromagnetically-shielded near-field transducer thermal sensor f...
Patent number
10,283,145
Issue date
May 7, 2019
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
HAMR thermal sensor with fast response time
Patent number
10,175,122
Issue date
Jan 8, 2019
Western Digital Technologies, Inc.
John T. Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device employing multi-mode sensing circuitry for mult...
Patent number
10,056,098
Issue date
Aug 21, 2018
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device gradually decreasing laser power after write op...
Patent number
9,922,676
Issue date
Mar 20, 2018
Western Digital Technologies, Inc.
Erhard Schreck
G11 - INFORMATION STORAGE
Information
Patent Grant
Burst writing for clearance calibration in a heat assisted magnetic...
Patent number
9,881,641
Issue date
Jan 30, 2018
Western Digital Technologies, Inc.
Sripathi Vangipuram Canchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Tunable contact detection sensitivity to directly measure clearance...
Patent number
9,595,281
Issue date
Mar 14, 2017
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Hard disk drive head-disk interface dithering
Patent number
9,595,280
Issue date
Mar 14, 2017
Western Digital Technologies, Inc.
Sripathi V Canchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Implementing dual partially independent thermal flyheight control (...
Patent number
9,564,163
Issue date
Feb 7, 2017
Western Digital Technologies, Inc.
John Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Monitoring and controlling the electrochemical wear at the head-dis...
Patent number
9,460,739
Issue date
Oct 4, 2016
HGST Netherlands B.V.
Bruno Marchon
G11 - INFORMATION STORAGE
Information
Patent Grant
Near field transducer anneal for heat assisted magnetic recording
Patent number
9,424,865
Issue date
Aug 23, 2016
HGST Netherlands B.V.
Shen Ren
G11 - INFORMATION STORAGE
Information
Patent Grant
Implementing enhanced ultrafast touchdown measurement scheme using...
Patent number
9,401,169
Issue date
Jul 26, 2016
HGST Netherlands B.V.
Sripathi Vangipuram Canchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Compensation of laser diode introduced flying height changes
Patent number
9,311,943
Issue date
Apr 12, 2016
HGST Netherlands B.V.
Sripathi Vangipuram Canchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Vapor phase chemical mechanical polishing of magnetic recording disks
Patent number
9,312,141
Issue date
Apr 12, 2016
HGST Netherlands B.V.
Thomas E. Karis
B24 - GRINDING POLISHING
Information
Patent Grant
Intra-zone wear leveling for heat-assisted magnetic recording—shing...
Patent number
9,153,290
Issue date
Oct 6, 2015
HGST Netherlands B.V.
Zvonimir Z. Bandic
G11 - INFORMATION STORAGE
Information
Patent Grant
Near field transducer having notch diffusion barrier
Patent number
9,099,112
Issue date
Aug 4, 2015
HGST Netherlands B.V.
Hamid Balamane
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
PREHEATING LASER DIODES WITH REVERSE BIAS FOR HAMR DISK DRIVES
Publication number
20240170915
Publication date
May 23, 2024
Western Digital Technologies, Inc.
Erhard Schreck
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Regenerative Braking For Tape Drive
Publication number
20230410844
Publication date
Dec 21, 2023
Western Digital Technologies, Inc.
Erhard SCHRECK
G11 - INFORMATION STORAGE
Information
Patent Application
Tape Assemblies Having Flangeless Reel Configurations and Single Fl...
Publication number
20230386517
Publication date
Nov 30, 2023
Western Digital Technologies, Inc.
Erhard SCHRECK
G11 - INFORMATION STORAGE
Information
Patent Application
Full Disk Serpentine Write Path For Tamper-Proof Disk Drive
Publication number
20230367506
Publication date
Nov 16, 2023
Western Digital Technologies, Inc.
Erhard SCHRECK
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) MEDIA WITH DUAL-LAYER MEDIA...
Publication number
20230238023
Publication date
Jul 27, 2023
Western Digital Technologies, Inc.
Tan Duy Trinh
G11 - INFORMATION STORAGE
Information
Patent Application
Preamplifier with Read/Write Power Channels
Publication number
20230197108
Publication date
Jun 22, 2023
Western Digital Technologies, Inc.
Joey M. Poss
G11 - INFORMATION STORAGE
Information
Patent Application
Heat Treatment Of NFT And Surrounding Material
Publication number
20220005506
Publication date
Jan 6, 2022
Western Digital Technologies, Inc.
Sukumar RAJAURIA
G11 - INFORMATION STORAGE
Information
Patent Application
HAMR THERMAL SENSOR WITH FAST RESPONSE TIME
Publication number
20190120705
Publication date
Apr 25, 2019
Western Digital Technologies, Inc.
John T. CONTRERAS
G01 - MEASURING TESTING
Information
Patent Application
ELECTROMAGNETICALLY-SHIELDED NEAR-FIELD TRANSDUCER THERMAL SENSOR F...
Publication number
20190066725
Publication date
Feb 28, 2019
Western Digital Technologies, Inc.
Sukumar RAJAURIA
G11 - INFORMATION STORAGE
Information
Patent Application
HAMR THERMAL SENSOR WITH FAST RESPONSE TIME
Publication number
20170336271
Publication date
Nov 23, 2017
HGST NETHERLANDS B.V.
John T. CONTRERAS
G01 - MEASURING TESTING
Information
Patent Application
REDUCING CARBONACEOUS SMEAR AT THE NFT AREA ON HAMR HEAD
Publication number
20170221511
Publication date
Aug 3, 2017
HGST NETHERLANDS B.V.
Qing DAI
G11 - INFORMATION STORAGE
Information
Patent Application
DETECTION OF READ-WRITE HEAD TOUCHDOWN USING HEAD ACTUATOR
Publication number
20170213572
Publication date
Jul 27, 2017
HGST NETHERLANDS B.V.
Erhard Schreck
G11 - INFORMATION STORAGE
Information
Patent Application
TUNABLE CONTACT DETECTION SENSITIVITY TO DIRECTLY MEASURE CLEARANCE...
Publication number
20170047089
Publication date
Feb 16, 2017
HGST NETHERLANDS B.V.
Sukumar RAJAURIA
G11 - INFORMATION STORAGE
Information
Patent Application
IMPLEMENTING ENHANCED IN-SITU MONITORING OF HEAD OVERCOAT WEAR FOR...
Publication number
20170004853
Publication date
Jan 5, 2017
HGST NETHERLANDS B.V.
Sripathi Vangipuram Canchi
G11 - INFORMATION STORAGE
Information
Patent Application
IMPLEMENTING DUAL PARTIALLY INDEPENDENT THERMAL FLYHEIGHT CONTROL (...
Publication number
20160293194
Publication date
Oct 6, 2016
HGST NETHERLANDS B.V.
John Contreras
G11 - INFORMATION STORAGE
Information
Patent Application
Hard Disk Drive Head-Disk Interface Dithering
Publication number
20160254016
Publication date
Sep 1, 2016
HGST NETHERLANDS B.V.
Sripathi V. Canchi
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR AUDIO CORRECTION IN ELECTRONIC DEVICES
Publication number
20160239253
Publication date
Aug 18, 2016
Matteo Staffaroni
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
NEAR FIELD TRANSDUCER ANNEAL FOR HEAT ASSISTED MAGNETIC RECORDING
Publication number
20160125898
Publication date
May 5, 2016
HGST NETHERLANDS B.V.
Shen Ren
G11 - INFORMATION STORAGE
Information
Patent Application
COMPENSATION OF LASER DIODE INTRODUCED FLYING HEIGHT CHANGES
Publication number
20150235663
Publication date
Aug 20, 2015
HGST NETHERLANDS B.V.
Sripathi Vangipuram CANCHI
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR FIELD TRANSDUCER HAVING NOTCH DIFFUSION BARRIER
Publication number
20150221324
Publication date
Aug 6, 2015
HGST NETHERLANDS B.V.
Hamid Balamane
G11 - INFORMATION STORAGE
Information
Patent Application
SYSTEM AND METHOD FOR NFT PROTRUSION COMPENSATION
Publication number
20150199987
Publication date
Jul 16, 2015
HGST NETHERLANDS B.V.
Sripathi Vangipuram CANCHI
G11 - INFORMATION STORAGE
Information
Patent Application
VAPOR PHASE CHEMICAL MECHANICAL POLISHING OF MAGNETIC RECORDING DISKS
Publication number
20150136730
Publication date
May 21, 2015
HGST NETHERLANDS B.V.
Thomas E. Karis
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT SINK FOR A SPIN TORQUE OSCILLATOR (STO) IN MICROWAVE ASSISTED...
Publication number
20150109699
Publication date
Apr 23, 2015
HGST NETHERLANDS B.V.
Carl Boone
G11 - INFORMATION STORAGE
Information
Patent Application
DUAL THERMAL SENSOR FOR HAMR WAVEGUIDE POWER MONITOR AND INTEGRATIO...
Publication number
20150109892
Publication date
Apr 23, 2015
HGST NETHERLANDS B.V.
John T. CONTRERAS
G11 - INFORMATION STORAGE
Information
Patent Application
E-Antenna Near Field Transducer With Thermal Shunt To Return Pole
Publication number
20150036470
Publication date
Feb 5, 2015
HGST NETHERLANDS B.V.
Hamid Balamane
G11 - INFORMATION STORAGE
Information
Patent Application
DYNAMIC FLY HEIGHT CONTROL THAT IS INSENSITIVE TO OFF-TRACK MOTION
Publication number
20140139945
Publication date
May 22, 2014
HGST NETHERLANDS B.V.
Sripathi V. Canchi
G11 - INFORMATION STORAGE
Information
Patent Application
EXCITATION OF AIRBEARING OSCILLATION WITH TAR NEARFIELD DEVICE FOR...
Publication number
20130308223
Publication date
Nov 21, 2013
HGST NETHERLANDS B.V.
Oscar J. Ruiz
G11 - INFORMATION STORAGE
Information
Patent Application
PREHEAT FEATURE FOR THERMALLY ASSISTED RECORDING
Publication number
20130170331
Publication date
Jul 4, 2013
Hitachi Global Storage Technologies Netherlands B.V.
John Contreras
G11 - INFORMATION STORAGE
Information
Patent Application
TAR TEMPERATURE SENSOR HAVING FASTER RESPONSE TIME
Publication number
20130107680
Publication date
May 2, 2013
HGST NETHERLANDS B.V.
John T. Contreras
G11 - INFORMATION STORAGE
Information
Patent Application
Method of Forming a Plasmon Antenna with Magnetic Core for Thermall...
Publication number
20120279051
Publication date
Nov 8, 2012
HEADWAY TECHNOLOGIES, INC.
Yuchen Zhou
G11 - INFORMATION STORAGE