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Track finding or aligning by moving the head Provisions for maintaining alignment of the head relative to the track during transducing operation
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G11B21/10
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G11
Information storage
G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B21/00
Head arrangements not specific to the method of recording or reproducing
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G11B21/10
Track finding or aligning by moving the head Provisions for maintaining alignment of the head relative to the track during transducing operation
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Patents Grants
last 30 patents
Information
Patent Grant
Method of operating hard disk drives, corresponding control circuit...
Patent number
12,119,024
Issue date
Oct 15, 2024
STMicroelectronics S.r.l.
Ezio Galbiati
G11 - INFORMATION STORAGE
Information
Patent Grant
TDS mitigation using different data preamble tones
Patent number
12,033,664
Issue date
Jul 9, 2024
Western Digital Technologies, Inc.
Derrick E. Burton
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device
Patent number
11,948,604
Issue date
Apr 2, 2024
Kabushiki Kaisha Toshiba
Hideki Hironaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape drive having independently controlled tilting tandem tape heads
Patent number
11,935,563
Issue date
Mar 19, 2024
Western Digital Technologies, Inc.
Junzo Noda
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording device having redundant servo readers and method...
Patent number
11,935,562
Issue date
Mar 19, 2024
Western Digital Technologies, Inc.
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device
Patent number
11,887,633
Issue date
Jan 30, 2024
Kabushiki Kaisha Toshiba
Takayuki Kawabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Split-actuator drive that coordinates fractional-wedge timing of ag...
Patent number
11,862,196
Issue date
Jan 2, 2024
Kabushiki Kaisha Toshiba
Richard M. Ehrlich
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device and method
Patent number
11,862,204
Issue date
Jan 2, 2024
Kabushiki Kaisha Toshiba
Kana Furuhashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device
Patent number
11,862,197
Issue date
Jan 2, 2024
Kabushiki Kaisha Toshiba
Daisuke Sudo
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device integrating wedge repeatable runout (WRRO) lear...
Patent number
11,790,949
Issue date
Oct 17, 2023
Western Digital Technologies, Inc.
Jim French
G11 - INFORMATION STORAGE
Information
Patent Grant
System and method for disk drive fly height measurement
Patent number
11,756,582
Issue date
Sep 12, 2023
STMicroelectronics, Inc.
Paolo Pulici
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device with soft on-disk activation of fine actuators
Patent number
11,749,303
Issue date
Sep 5, 2023
Western Digital Technologies, Inc.
Jaesoo Byoun
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
Magnetic disk device that corrects position of head by demodulation
Patent number
11,694,720
Issue date
Jul 4, 2023
Kabushiki Kaisha Toshiba
Naoki Tagami
G11 - INFORMATION STORAGE
Information
Patent Grant
Angled free layer for multi-level read signals
Patent number
11,688,427
Issue date
Jun 27, 2023
Western Digital Technologies, Inc.
Zhen Jin
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device and method of write processing of postcode
Patent number
11,657,834
Issue date
May 23, 2023
Kabushiki Kaisha Toshiba
Noaki Tagami
G11 - INFORMATION STORAGE
Information
Patent Grant
Data access and logical mapping for magnetic disks
Patent number
11,657,848
Issue date
May 23, 2023
Western Digital Technologies, Inc.
Robert Horn
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape-shaped magnetic recording medium and cartridge
Patent number
11,651,781
Issue date
May 16, 2023
Sony Group Corporation
Minoru Yamaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Polydyne acceleration trajectory control
Patent number
11,646,060
Issue date
May 9, 2023
Western Digital Technologies, Inc.
Takehiko Eguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Estimating read offset in a drive using machine learning
Patent number
11,646,059
Issue date
May 9, 2023
Seagate Technology LLC
Zheng Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic disk device
Patent number
11,600,292
Issue date
Mar 7, 2023
Kabushiki Kaisha Toshiba
Takuya Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Read offset calibration for error recovery
Patent number
11,568,895
Issue date
Jan 31, 2023
Seagate Technology LLC
Ara Patapoutian
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device and head change processing method
Patent number
11,557,312
Issue date
Jan 17, 2023
Kabushiki Kaisha Toshiba
Daisuke Sudo
G11 - INFORMATION STORAGE
Information
Patent Grant
Joined multi-module tape recording head
Patent number
11,545,184
Issue date
Jan 3, 2023
Western Digital Technologies, Inc.
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device and method of reducing microactuator voltage
Patent number
11,514,937
Issue date
Nov 29, 2022
Kabushiki Kaisha Toshiba
Takuji Matsuzawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device demodulating servo stripes using matched filter
Patent number
11,488,626
Issue date
Nov 1, 2022
Western Digital Technologies, Inc.
Satoshi Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device demodulating servo stripes using matched filter
Patent number
11,488,625
Issue date
Nov 1, 2022
Western Digital Technologies, Inc.
Satoshi Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device independently driving outer and inner fine actu...
Patent number
11,482,254
Issue date
Oct 25, 2022
Western Digital Technologies, Inc.
Manoj Keshavan
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device detecting NFT contamination by measuring therma...
Patent number
11,430,482
Issue date
Aug 30, 2022
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device calibrating write parameter by pressing actuato...
Patent number
11,417,363
Issue date
Aug 16, 2022
Western Digital Technologies, Inc.
Jianbin Nie
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Tape Drive Having Independently Controlled Tilting Tandem Tape Heads
Publication number
20240177737
Publication date
May 30, 2024
Western Digital Technologies, Inc.
Junzo NODA
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD OF OPERATING HARD DISK DRIVES, CORRESPONDING CONTROL CIRCUIT...
Publication number
20240096371
Publication date
Mar 21, 2024
STMicroelectronics S.r.l
Ezio Galbiati
G11 - INFORMATION STORAGE
Information
Patent Application
TDS Mitigation Using Different Data Preamble Tones
Publication number
20230419995
Publication date
Dec 28, 2023
Western Digital Technologies, Inc.
Derrick E. BURTON
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING CARTRIDGE, AND RECORD...
Publication number
20230402063
Publication date
Dec 14, 2023
SONY GROUP CORPORATION
Minoru YAMAGA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE AND METHOD
Publication number
20230306987
Publication date
Sep 28, 2023
Kabushiki Kaisha Toshiba
Kana FURUHASHI
G11 - INFORMATION STORAGE
Information
Patent Application
Tape Drive Having Independently Controlled Tilting Tandem Tape Heads
Publication number
20230290377
Publication date
Sep 14, 2023
Western Digital Technologies, Inc.
Junzo NODA
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE INTEGRATING WEDGE REPEATABLE RUNOUT (WRRO) LEAR...
Publication number
20230282237
Publication date
Sep 7, 2023
Western Digital Technologies, Inc.
Jim French
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE
Publication number
20230282228
Publication date
Sep 7, 2023
Kabushiki Kaisha Toshiba
Takayuki Kawabe
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Recording Device Having Redundant Servo Readers and Method...
Publication number
20230267964
Publication date
Aug 24, 2023
Western Digital Technologies, Inc.
Robert G. BISKEBORN
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE
Publication number
20230245683
Publication date
Aug 3, 2023
Kabushiki Kaisha Toshiba
Daisuke SUDO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC TAPE DEVICE AND METHOD OF OPERATING MAGNETIC TAPE DEVICE
Publication number
20230142229
Publication date
May 11, 2023
FUJIFILM CORPORATION
Ren ISHIKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE
Publication number
20230091001
Publication date
Mar 23, 2023
Kabushiki Kaisha Toshiba
Hideki HIRONAKA
G11 - INFORMATION STORAGE
Information
Patent Application
ESTIMATING READ OFFSET IN A DRIVE USING MACHINE LEARNING
Publication number
20230067909
Publication date
Mar 2, 2023
SEAGATE TECHNOLOGY LLC
Zheng Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MAGNETIC DISK DEVICE
Publication number
20230063493
Publication date
Mar 2, 2023
Kabushiki Kaisha Toshiba
Takuya MATSUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE AND REFRESH PROCESSING METHOD
Publication number
20230046510
Publication date
Feb 16, 2023
Kabushiki Kaisha Toshiba
Seishiro FUJIWARA
G11 - INFORMATION STORAGE
Information
Patent Application
SERVO WRITER AND CARTRIDGE
Publication number
20220406335
Publication date
Dec 22, 2022
SONY GROUP CORPORATION
Hiroshi MORITA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE AND METHOD OF WRITE PROCESSING OF POSTCODE
Publication number
20220301584
Publication date
Sep 22, 2022
Kabushiki Kaisha Toshiba
Noaki TAGAMI
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE INDEPENDENTLY DRIVING OUTER AND INNER FINE ACTU...
Publication number
20220262402
Publication date
Aug 18, 2022
Western Digital Technologies, Inc.
MANOJ KESHAVAN
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE AND HEAD CHANGE PROCESSING METHOD
Publication number
20220215858
Publication date
Jul 7, 2022
Kabushiki Kaisha Toshiba
Daisuke Sudo
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND CARTRIDGE
Publication number
20220148618
Publication date
May 12, 2022
SONY GROUP CORPORATION
Minoru YAMAGA
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE DEMODULATING SERVO STRIPES USING MATCHED FILTER
Publication number
20220108722
Publication date
Apr 7, 2022
Western Digital Technologies, Inc.
Satoshi Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE DEMODULATING SERVO STRIPES USING MATCHED FILTER
Publication number
20220108719
Publication date
Apr 7, 2022
Western Digital Technologies, Inc.
Satoshi Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE AND SECTOR PROCESSING METHOD
Publication number
20220068307
Publication date
Mar 3, 2022
Kabushiki Kaisha Toshiba
Kazumi Fujimoto
G11 - INFORMATION STORAGE
Information
Patent Application
DISK DRIVE WITH EFFICIENT HANDLING OF OFF-TRACK EVENTS DURING SEQUE...
Publication number
20210098019
Publication date
Apr 1, 2021
Kabushiki Kaisha Toshiba
Richard M. EHRLICH
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE AND CONTROL METHOD OF SERVO WRITE
Publication number
20200395044
Publication date
Dec 17, 2020
Kabushiki Kaisha Toshiba
Daisuke Sudo
G11 - INFORMATION STORAGE
Information
Patent Application
SERVO WRITER AND SERVO SIGNAL WRITING METHOD
Publication number
20200365184
Publication date
Nov 19, 2020
SONY CORPORATION
Tetsuo ENDO
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING INFORMA...
Publication number
20190355390
Publication date
Nov 21, 2019
Canon Kabushiki Kaisha
Hidetaka Tabuchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CONTROL HEAD TO HEAD SPACING USING A PIEZOELECTRIC DEVICE
Publication number
20190333536
Publication date
Oct 31, 2019
Western Digital Technologies, Inc.
Trevor OLSON
G11 - INFORMATION STORAGE
Information
Patent Application
Pressure-Sensitive Adhesive Sheet and Magnetic Disc Device
Publication number
20190284445
Publication date
Sep 19, 2019
Nitto Denko Corporation
Kenji FURUTA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING AND REPRODUCING AP...
Publication number
20170084305
Publication date
Mar 23, 2017
SHOWA DENKO K.K.
Eishin YAMAKAWA
G11 - INFORMATION STORAGE