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G11B5/5543
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PHYSICS
G11
Information storage
G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00
Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
Current Industry
G11B5/5543
servo-format therefor
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Patents Grants
last 30 patents
Information
Patent Grant
Reducing noise in back EMF sensing for data storage
Patent number
11,798,587
Issue date
Oct 24, 2023
Western Digital Technologies, Inc.
Guoxiao Guo
G11 - INFORMATION STORAGE
Information
Patent Grant
VCM PWM to linear mode transition offset optimization to improve PES
Patent number
11,763,843
Issue date
Sep 19, 2023
Western Digital Technologies, Inc.
Jaesoo Byoun
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape library system with integrated, feedback-based environmental a...
Patent number
11,341,994
Issue date
May 24, 2022
Quantum Corporation
Turguy Goker
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording tape having embedded servo sectors on data tracks
Patent number
11,289,123
Issue date
Mar 29, 2022
Western Digital Technologies, Inc.
Richard L. Galbraith
G11 - INFORMATION STORAGE
Information
Patent Grant
Calibration of multi-stage servo system
Patent number
11,289,122
Issue date
Mar 29, 2022
Seagate Technology LLC
XingHui Huang
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device
Patent number
11,152,025
Issue date
Oct 19, 2021
Kabushiki Kaisha Toshiba
Masakazu Tsuruoka
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device employing embedded servo sectors for magnetic tape
Patent number
11,138,996
Issue date
Oct 5, 2021
Western Digital Technologies, Inc.
Richard L. Galbraith
G11 - INFORMATION STORAGE
Information
Patent Grant
Process for manufacturing magnetic head having a servo read transdu...
Patent number
11,114,117
Issue date
Sep 7, 2021
International Business Machines Corporation
David Seagle
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device defining track trajectory to reduce AC track sq...
Patent number
11,049,518
Issue date
Jun 29, 2021
Western Digital Technologies, Inc.
Hiroshi Ide
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device
Patent number
10,984,826
Issue date
Apr 20, 2021
Kabushiki Kaisha Toshiba
Hiroshi Tani
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device employing staggered servo wedges to increase ca...
Patent number
10,867,629
Issue date
Dec 15, 2020
Western Digital Technologies, Inc.
Toshihisa Kiyonaga
G11 - INFORMATION STORAGE
Information
Patent Grant
Calibrating elevator actuator for disk drive
Patent number
10,839,838
Issue date
Nov 17, 2020
Western Digital Technologies, Inc.
Kuang-Yang Tu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk controlling device capable of tracking different serv...
Patent number
10,803,894
Issue date
Oct 13, 2020
Kabushiki Kaisha Toshiba
Satoshi Kuwahara
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device employing dynamic track trajectories
Patent number
10,748,568
Issue date
Aug 18, 2020
Western Digital Technologies, Inc.
Alain Chahwan
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disk device
Patent number
10,706,881
Issue date
Jul 7, 2020
Kabushiki Kaisha Toshiba
Takato Uchida
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device defining track trajectory to reduce AC track sq...
Patent number
10,699,745
Issue date
Jun 30, 2020
Western Digital Technologies, Inc.
Hiroshi Ide
G11 - INFORMATION STORAGE
Information
Patent Grant
Compensation for nonlinearity in servo patterns
Patent number
10,650,852
Issue date
May 12, 2020
International Business Machines Corporation
Kevin B. Judd
G11 - INFORMATION STORAGE
Information
Patent Grant
Calibrating elevator actuator for disk drive
Patent number
10,622,012
Issue date
Apr 14, 2020
Western Digital Technologies, Inc.
Kuang-Yang Tu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disc locked clock-based servo timing
Patent number
10,522,177
Issue date
Dec 31, 2019
Seagate Technology LLC
Jason Bellorado
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for processing multiple servo channels in magn...
Patent number
10,510,367
Issue date
Dec 17, 2019
Marvell International Ltd.
Seyed Mehrdad Khatami
G11 - INFORMATION STORAGE
Information
Patent Grant
Compensation for nonlinearity in servo patterns
Patent number
10,297,280
Issue date
May 21, 2019
International Business Machines Corporation
Kevin B. Judd
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic disc apparatus
Patent number
9,905,256
Issue date
Feb 27, 2018
Kabushiki Kaisha Toshiba
Makoto Asakura
G11 - INFORMATION STORAGE
Information
Patent Grant
Spiral write launch while servoing on reference guide spirals
Patent number
9,824,708
Issue date
Nov 21, 2017
Kabushiki Kaisha Toshiba
Jiangang Liang
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo tracking using a single servo writing pass per track for mult...
Patent number
9,792,939
Issue date
Oct 17, 2017
Seagate Technology LLC
Riyan Mendonsa
G11 - INFORMATION STORAGE
Information
Patent Grant
Writing spirals with accurate slope on a disk drive media
Patent number
9,691,421
Issue date
Jun 27, 2017
Kabushiki Kaisha Toshiba
Gabor Szita
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive sensor selection
Patent number
9,576,597
Issue date
Feb 21, 2017
Seagate Technology LLC
Jon Trantham
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive adjusting estimated servo state to compensate for transi...
Patent number
9,454,989
Issue date
Sep 27, 2016
Western Digital Technologies, Inc.
Michael Chang
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk drive with adjustable data track pitch and...
Patent number
9,349,400
Issue date
May 24, 2016
HGST Netherlands B.V.
Abhishek Dhanda
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and structure for improving performance and storage density...
Patent number
9,324,368
Issue date
Apr 26, 2016
HGST Netherlands B.V.
Abhishek Dhanda
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device configuring a gain of a servo control system fo...
Patent number
9,214,175
Issue date
Dec 15, 2015
Western Digital Technologies, Inc.
Wei Xi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
VCM PWM TO LINEAR MODE TRANSITION OFFSET OPTIMIZATION TO IMPROVE PES
Publication number
20230386512
Publication date
Nov 30, 2023
Western Digital Technologies, Inc.
Jaesoo Byoun
G11 - INFORMATION STORAGE
Information
Patent Application
REDUCING NOISE IN BACK EMF SENSING FOR DATA STORAGE
Publication number
20230317107
Publication date
Oct 5, 2023
Western Digital Technologies, Inc.
Guoxiao Guo
G11 - INFORMATION STORAGE
Information
Patent Application
TAPE LIBRARY SYSTEM WITH INTEGRATED, FEEDBACK-BASED ENVIRONMENTAL A...
Publication number
20220383900
Publication date
Dec 1, 2022
Quantum Corporation
Turguy Goker
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE EMPLOYING EMBEDDED SERVO SECTORS FOR MAGNETIC TAPE
Publication number
20210350825
Publication date
Nov 11, 2021
Western Digital Technologies, Inc.
RICHARD L. GALBRAITH
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE
Publication number
20210082461
Publication date
Mar 18, 2021
Kabushiki Kaisha Toshiba
Hiroshi TANI
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC DISK DEVICE
Publication number
20210056989
Publication date
Feb 25, 2021
Kabushiki Kaisha Toshiba
Masakazu Tsuruoka
G11 - INFORMATION STORAGE
Information
Patent Application
DATA STORAGE DEVICE DEFINING TRACK TRAJECTORY TO REDUCE AC TRACK SQ...
Publication number
20200411050
Publication date
Dec 31, 2020
Western Digital Technologies, Inc.
Hiroshi Ide
G11 - INFORMATION STORAGE
Information
Patent Application
CALIBRATING ELEVATOR ACTUATOR FOR DISK DRIVE
Publication number
20200372931
Publication date
Nov 26, 2020
Western Digital Technologies, Inc.
Kuang-Yang Tu
G11 - INFORMATION STORAGE
Information
Patent Application
COMPENSATION FOR NONLINEARITY IN SERVO PATTERNS
Publication number
20200035264
Publication date
Jan 30, 2020
International Business Machines Corporation
Kevin B. Judd
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD AND STRUCTURE FOR IMPROVING PERFORMANCE AND STORAGE DENSITY...
Publication number
20140055883
Publication date
Feb 27, 2014
HGST NETHERLANDS B.V.
Abhishek Dhanda
G11 - INFORMATION STORAGE
Information
Patent Application
Recording control device and recording control method
Publication number
20110116183
Publication date
May 19, 2011
FUJITSU LIMITED
Toshifumi Masuko
G11 - INFORMATION STORAGE
Information
Patent Application
METHODS AND APPARATUS FOR FORMATTING MEMORY MEDIA
Publication number
20090195907
Publication date
Aug 6, 2009
Fujitsu Limited
Scott Richmond
G11 - INFORMATION STORAGE
Information
Patent Application
CERTIFYING CONCENTRIC DATA IN ECCENTRIC SERVO DATA TRACKS OF PRE-FO...
Publication number
20080043362
Publication date
Feb 21, 2008
Seagate Technology LLC
Dan R. McLeran
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disk unit
Publication number
20040212914
Publication date
Oct 28, 2004
Masaki Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Medium, apparatus, and method related to encryption resultant infor...
Publication number
20040022155
Publication date
Feb 5, 2004
Mitsuaki Oshima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus for recording or/and reproducing information and method f...
Publication number
20030133216
Publication date
Jul 17, 2003
FUJITSU LIMITED
Kouhei Takamatsu
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic disc drive
Publication number
20020186493
Publication date
Dec 12, 2002
Masaki Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Application
Servo data detection with improved phase shift tolerance
Publication number
20020114100
Publication date
Aug 22, 2002
David E. Reed
G11 - INFORMATION STORAGE
Information
Patent Application
Servo data detection with improved phase shift tolerance
Publication number
20020069379
Publication date
Jun 6, 2002
Cirrus Logic, Inc.
David E. Reed
G11 - INFORMATION STORAGE
Information
Patent Application
Medium, apparatus, and method related to encryption resultant infor...
Publication number
20010038578
Publication date
Nov 8, 2001
Matsushita Electric Industrial Co., Ltd.
Mitsuaki Oshima
G06 - COMPUTING CALCULATING COUNTING