Gaku Ikedo

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage device with closed loop extended park mode during spin...
- Patent number 11,978,482
- Issue date May 7, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Optimize power, RTV, and coupled PES during seek operations
- Patent number 11,948,603
- Issue date Apr 2, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device with smart ISOFET threshold voltage automatic t...
- Patent number 11,862,202
- Issue date Jan 2, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device having dual actuators and method for data egres...
- Patent number 11,837,264
- Issue date Dec 5, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual spindle motors and dual spindle motor control for data storage
- Patent number 11,823,710
- Issue date Nov 21, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device having dual actuators and method for emergency...
- Patent number 11,763,844
- Issue date Sep 19, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- 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
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 storage device using windowed delta-sigma analog-to-digital co...
- Patent number 11,373,678
- Issue date Jun 28, 2022
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibrating elevator actuator for disk drive
- Patent number 11,043,243
- Issue date Jun 22, 2021
- Western Digital Technologies, Inc.
- Kexiu Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Write data protection at emergency power off
- Patent number 10,996,740
- Issue date May 4, 2021
- Western Digital Technologies, Inc.
- Hiroki Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Write data protection at emergency power off
- Patent number 10,635,158
- Issue date Apr 28, 2020
- Western Digital Technologies, Inc.
- Hiroki Watanabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device adjusting spindle motor current based on contin...
- Patent number 10,176,840
- Issue date Jan 8, 2019
- Western Digital Technologies, Inc.
- Brian A. Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk drive and method of controlling the same
- Patent number 7,706,099
- Issue date Apr 27, 2010
- Hitachi Global Storage Technologies Netherlands B.V.
- Hiroshi Uchida
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with hybrid analog-digital acceleration feedforward cont...
- Patent number 7,580,217
- Issue date Aug 25, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Jirou Abe
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of starting the magnetic disk device using fluid dynamic bea...
- Patent number 7,576,936
- Issue date Aug 18, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Iwao Oshimi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive and control method thereof
- Patent number 7,561,365
- Issue date Jul 14, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Masaaki Noguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with reduced vibration due to rotational acceleration of...
- Patent number 7,474,490
- Issue date Jan 6, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yukiko Hayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device, motor control device, and motor control method
- Patent number 7,253,581
- Issue date Aug 7, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Nobuhisa Koide
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage device control method, motor control method, and storage de...
- Patent number 7,133,236
- Issue date Nov 7, 2006
- Hitachi Global Storage Technologies Netherlands B.V.
- Nobuhisa Koide
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device, control device, off-track control method, and...
- Patent number 7,035,034
- Issue date Apr 25, 2006
- International Business Machines Corporation
- Tetsuo Semba
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device having acceleration sensor attached to circuit...
- Patent number 6,961,202
- Issue date Nov 1, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Gaku Ikedo
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for stabilizing disk drive rotation control
- Patent number 6,411,056
- Issue date Jun 25, 2002
- International Business Machines Corporation
- Gaku Ikedo
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTIMIZE POWER, RTV, AND COUPLED PES DURING SEEK OPERATIONS
- Publication number 20240096370
- Publication date Mar 21, 2024
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE
- Publication number 20240062785
- Publication date Feb 22, 2024
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
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
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...
- Publication number 20230386513
- Publication date Nov 30, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH SMART ISOFET THRESHOLD VOLTAGE AUTOMATIC T...
- Publication number 20230360680
- Publication date Nov 9, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR DATA EGRES...
- Publication number 20230326484
- Publication date Oct 12, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...
- Publication number 20230326485
- Publication date Oct 12, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE
- Publication number 20230267960
- Publication date Aug 24, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH CLOSED LOOP EXTENDED PARK MODE DURING SPIN...
- Publication number 20230230616
- Publication date Jul 20, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH SOFT ON-DISK ACTIVATION OF FINE ACTUATORS
- Publication number 20230186947
- Publication date Jun 15, 2023
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE USING WINDOWED DELTA-SIGMA ANALOG-TO-DIGITAL CO...
- Publication number 20220084548
- Publication date Mar 17, 2022
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
CALIBRATING ELEVATOR ACTUATOR FOR DISK DRIVE
- Publication number 20200381016
- Publication date Dec 3, 2020
- Western Digital Technologies, Inc.
- Kexiu Liu
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE DATA PROTECTION AT EMERGENCY POWER OFF
- Publication number 20200225733
- Publication date Jul 16, 2020
- Western Digital Technologies, Inc.
- Hiroki WATANABE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Magnetic disk drive and method of controlling the same
- Publication number 20080285170
- Publication date Nov 20, 2008
- Hiroshi Uchida
- G01 - MEASURING TESTING
Information Patent Application
DISK DRIVE WITH HYBRID ANALOG-DIGITAL ACCELERATION FEEDFORWARD CONT...
- Publication number 20080158722
- Publication date Jul 3, 2008
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Jirou Abe
- G11 - INFORMATION STORAGE
Information Patent Application
Method of starting the magnetic disk device using fluid dynamic bea...
- Publication number 20080062555
- Publication date Mar 13, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Iwao Oshimi
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive
- Publication number 20070253089
- Publication date Nov 1, 2007
- Hitachi Global Storage Technologies Inc.
- Yukiko Hayashi
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive and control method thereof
- Publication number 20070070540
- Publication date Mar 29, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Masaaki Noguchi
- G11 - INFORMATION STORAGE
Information Patent Application
Storage device control method, motor control method, and storage de...
- Publication number 20050162773
- Publication date Jul 28, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Nobuhisa Koide
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device, motor control device, and motor control method
- Publication number 20050151499
- Publication date Jul 14, 2005
- Hitachi Global Storage Technologies Netherlands, B.V.
- Nobuhisa Koide
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device and circuit board to be attached to data storag...
- Publication number 20040001280
- Publication date Jan 1, 2004
- Hitachi Global Storage Technologies Netherlands B.V.
- Gaku Ikedo
- G11 - INFORMATION STORAGE
Information Patent Application
Data storage device, control device, off-track control method, and...
- Publication number 20030231423
- Publication date Dec 18, 2003
- Tetsuo Semba
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Data storage device with closed loop extended park mode during spin...

Optimize power, RTV, and coupled PES during seek operations

Data storage device with smart ISOFET threshold voltage automatic t...

Data storage device having dual actuators and method for data egres...

Dual spindle motors and dual spindle motor control for data storage

Data storage device having dual actuators and method for emergency...

VCM PWM to linear mode transition offset optimization to improve PES

Data storage device with soft on-disk activation of fine actuators

Data storage device using windowed delta-sigma analog-to-digital co...

Calibrating elevator actuator for disk drive

Write data protection at emergency power off

Write data protection at emergency power off

Data storage device adjusting spindle motor current based on contin...

Magnetic disk drive and method of controlling the same

Disk drive with hybrid analog-digital acceleration feedforward cont...

Method of starting the magnetic disk device using fluid dynamic bea...

Disk drive and control method thereof

Disk drive with reduced vibration due to rotational acceleration of...

Data storage device, motor control device, and motor control method

Storage device control method, motor control method, and storage de...

Data storage device, control device, off-track control method, and...

Data storage device having acceleration sensor attached to circuit...

System and method for stabilizing disk drive rotation control

Patents Applicationslast 30 patents

OPTIMIZE POWER, RTV, AND COUPLED PES DURING SEEK OPERATIONS

DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE

VCM PWM TO LINEAR MODE TRANSITION OFFSET OPTIMIZATION TO IMPROVE PES

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...

DATA STORAGE DEVICE WITH SMART ISOFET THRESHOLD VOLTAGE AUTOMATIC T...

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR DATA EGRES...

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR EMERGENCY...

DUAL SPINDLE MOTORS AND DUAL SPINDLE MOTOR CONTROL FOR DATA STORAGE

DATA STORAGE DEVICE WITH CLOSED LOOP EXTENDED PARK MODE DURING SPIN...

DATA STORAGE DEVICE WITH SOFT ON-DISK ACTIVATION OF FINE ACTUATORS

DATA STORAGE DEVICE USING WINDOWED DELTA-SIGMA ANALOG-TO-DIGITAL CO...

CALIBRATING ELEVATOR ACTUATOR FOR DISK DRIVE

WRITE DATA PROTECTION AT EMERGENCY POWER OFF

Magnetic disk drive and method of controlling the same

DISK DRIVE WITH HYBRID ANALOG-DIGITAL ACCELERATION FEEDFORWARD CONT...

Method of starting the magnetic disk device using fluid dynamic bea...

Disk drive

Disk drive and control method thereof

Storage device control method, motor control method, and storage de...

Data storage device, motor control device, and motor control method

Data storage device and circuit board to be attached to data storag...

Data storage device, control device, off-track control method, and...