Kagami; Naoyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kagami; Naoyuki.The latest application filed is for "data storage device using windowed delta-sigma analog-to-digital converter in digital current control loop".

Company Profile

4.25.14

Kagami; Naoyuki - Fujisawa JP
Kagami; Naoyuki - Fujisawa-shi JP
Kagami; Naoyuki - Kanagawa-ken JP
Kagami, Naoyuki - Fugisawa-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Data storage device using windowed delta-sigma analog-to-digital converter in digital current control loop Grant 11,373,678 - Byoun , et al. June 28, 2	2022-06-28
Data Storage Device Using Windowed Delta-sigma Analog-to-digital Converter In Digital Current Control Loop App 20220084548 - Byoun; Jaesoo ; et al.	2022-03-17
Calibrating elevator actuator for disk drive Grant 11,043,243 - Liu , et al. June 22, 2	2021-06-22
Write data protection at emergency power off Grant 10,996,740 - Watanabe , et al. May 4, 2	2021-05-04
Calibrating Elevator Actuator For Disk Drive App 20200381016 - Liu; Kexiu ; et al.	2020-12-03
Write Data Protection At Emergency Power Off App 20200225733 - WATANABE; Hiroki ; et al.	2020-07-16
Write data protection at emergency power off Grant 10,635,158 - Watanabe , et al.	2020-04-28
Data storage device, control device, off-track control method, and control method Grant 7,035,034 - Semba , et al. April 25, 2	2006-04-25
Control method and apparatus for reducing the effects of hard disk contamination Grant 7,019,921 - Kagami , et al. March 28, 2	2006-03-28
Data storage device having acceleration sensor attached to circuit board for detecting vibrations in planar rotation direction along circuit board Grant 6,961,202 - Ikedo , et al. November 1, 2	2005-11-01
Rotation recording apparatus and method of inspection thereof Grant 6,937,408 - Hattori , et al. August 30, 2	2005-08-30
Self-monitoring and self-healing of frequency specific position errors in a data storage device Grant 6,937,422 - Dang , et al. August 30, 2	2005-08-30
Rotary recording apparatus and method of controlling the apparatus Grant 6,831,809 - Kagami , et al. December 14, 2	2004-12-14
Control method and apparatus for reducing the effects of hard disk contamination App 20040179288 - Kagami, Naoyuki ; et al.	2004-09-16
System and method for implementing a rotary memory device Grant 6,754,019 - Tokizono , et al. June 22, 2	2004-06-22
Self-monitoring and self-healing of frequency specific position errors in a data storage device App 20040090698 - Dang, Hien Phu ; et al.	2004-05-13
Control method and apparatus for reducing the effects of hard disk contamination Grant 6,707,634 - Kagami , et al. March 16, 2	2004-03-16
Method and system for controlling the positioning of a read/write head of a data recording device Grant 6,690,537 - Kagami , et al. February 10, 2	2004-02-10
Disk drive, servo control unit, and control unit Grant 6,678,109 - Kagami , et al. January 13, 2	2004-01-13
Data storage device and circuit board to be attached to data storage device App 20040001280 - Ikedo, Gaku ; et al.	2004-01-01
Data storage device, control device, off-track control method, and control method App 20030231423 - Semba, Tetsuo ; et al.	2003-12-18
Phase technique for active damping in a servo-controlled actuator Grant 6,614,613 - Huang , et al. September 2, 2	2003-09-02
Method and system for performing positioning control of a head actuator in a disk device utilizing a digital filter Grant 6,567,230 - Kagami , et al. May 20, 2	2003-05-20
Adaptive vibration control for servo systems in data storage devices Grant 6,549,349 - Sri-Jayantha , et al. April 15, 2	2003-04-15
Method and system for compensating a head positioning servo in a storage device Grant 6,529,344 - Kagami , et al. March 4, 2	2003-03-04
Rotary recording apparatus and method of controlling the apparatus App 20020159187 - Kagami, Naoyuki ; et al.	2002-10-31
Disk Drive, Servo Control Unit, And Control Unit App 20020135930 - KAGAMI, NAOYUKI ; et al.	2002-09-26
Rotation recording apparatus and method of inspection thereof App 20020126404 - Hattori, Ryoheita ; et al.	2002-09-12
Data storage device servo control apparatus and method Grant 6,414,809 - Sakai , et al. July 2, 2	2002-07-02
Control method and apparatus for reducing the effects of hard disk contamination App 20020067562 - Kagami, Naoyuki ; et al.	2002-06-06
Digital filter, servo control unit, and disk drive Grant 6,377,418 - Kagami , et al. April 23, 2	2002-04-23
Adaptive vibrations control for servo systems in data storage devices App 20020034036 - Sri-Jayantha, Sri Muthuthamby ; et al.	2002-03-21
System and method for implementing a rotary memory device App 20020003676 - Tokizono, Akira ; et al.	2002-01-10
Method and system for controlling the positioning of a read/write head of a data recording device App 20010053038 - Kagami, Naoyuki ; et al.	2001-12-20
Testing method and tester Grant 6,263,462 - Hatano , et al. July 17, 2	2001-07-17
Disk drive rotary actuator system including synchronous counter torque generator Grant 6,122,139 - Sri-Jayantha , et al. September 19, 2	2000-09-19
Focusing servo in an optical disk drive Grant 5,384,762 - Kagami , et al. January 24, 1	1995-01-24
Optical disk drive apparatus for searching a target track Grant 5,339,299 - Kagami , et al. August 16, 1	1994-08-16
Apparatus and method for controlling the velocity of a disk storage head Grant 5,255,253 - Kagami , et al. October 19, 1	1993-10-19

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