Masaki Yamashita

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Switching regulator circuit/process counting clock cycles after reg...
- Patent number 9,641,066
- Issue date May 2, 2017
- Texas Instruments Incorporated
- Naoyuki Tsuruoka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Return control circuitry for VCM
- Patent number 9,099,944
- Issue date Aug 4, 2015
- Texas Instruments Incorporated
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Integration of spindle external sense resistor into servo IC with s...
- Patent number 8,963,472
- Issue date Feb 24, 2015
- Texas Instruments Incorporated
- Daijiro Otani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disk drive
- Patent number 8,791,657
- Issue date Jul 29, 2014
- Texas Instruments Incorporated
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
HDD with VCM back EMF and voltage control circuitry
- Patent number 8,497,641
- Issue date Jul 30, 2013
- Texas Instruments Incorporated
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Reaction control charge pump, capacitor, and transistor to power lead
- Patent number 8,228,629
- Issue date Jul 24, 2012
- Texas Instruments Incorporated
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Programmable constant voltage retract of disk drive actuator
- Patent number 7,902,778
- Issue date Mar 8, 2011
- Texas Instruments Incorporated
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Low-power pulse-width-modulated retract of disk drive actuator
- Patent number 7,649,330
- Issue date Jan 19, 2010
- Texas Instruments Incorporated
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Grant
Wave torque retract of disk drive actuator
- Patent number 7,301,722
- Issue date Nov 27, 2007
- Texas Instruments Incorporated
- Masaki Yamashita
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DISK DRIVE
- Publication number 20140265966
- Publication date Sep 18, 2014
- TEXAS INSTRUMENTS INCORPORATED
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
ADAPTIVE INDUCTOR PEAK CURRENT CONTROL OF A SWITCHING REGULATOR FOR...
- Publication number 20140055107
- Publication date Feb 27, 2014
- Naoyuki Tsuruoka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DISK DRIVE
- Publication number 20140001994
- Publication date Jan 2, 2014
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
INTEGRATION OF SPINDLE EXTERNAL SENSE RESISTOR INTO SERVO IC WITH S...
- Publication number 20130278199
- Publication date Oct 24, 2013
- Daijiro Otani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MOTOR CONTROL DEVICE AND DISK DRIVE DEVICE
- Publication number 20100315738
- Publication date Dec 16, 2010
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE
- Publication number 20100302670
- Publication date Dec 2, 2010
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
Disk-Drive Read/Write Head Retraction Velocity Control
- Publication number 20100067140
- Publication date Mar 18, 2010
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
System and Method to Determine Mechanical Resonance of an Accelerom...
- Publication number 20100064809
- Publication date Mar 18, 2010
- Kenji Toga
- G01 - MEASURING TESTING
Information Patent Application
Low Power Disk-Drive Motor Driver
- Publication number 20100053802
- Publication date Mar 4, 2010
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
Programmable Constant Voltage Retract of Disk Drive Actuator
- Publication number 20070285827
- Publication date Dec 13, 2007
- TEXAS INSTRUMENTS INCORPORATED
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
Low-Power Pulse-Width-Modulated Retract of Disk Drive Actuator
- Publication number 20070285828
- Publication date Dec 13, 2007
- TEXAS INSTRUMENTS INCORPORATED
- Masaki Yamashita
- G11 - INFORMATION STORAGE
Information Patent Application
Automatic gain adjustment for voice call motor back EMF monitor
- Publication number 20020079854
- Publication date Jun 27, 2002
- Yasushi Kitamura
- G11 - INFORMATION STORAGE

Masaki Yamashita

Person

Patents Grantslast 30 patents

Switching regulator circuit/process counting clock cycles after reg...

Return control circuitry for VCM

Integration of spindle external sense resistor into servo IC with s...

Disk drive

HDD with VCM back EMF and voltage control circuitry

Reaction control charge pump, capacitor, and transistor to power lead

Programmable constant voltage retract of disk drive actuator

Low-power pulse-width-modulated retract of disk drive actuator

Wave torque retract of disk drive actuator

Patents Applicationslast 30 patents

DISK DRIVE

ADAPTIVE INDUCTOR PEAK CURRENT CONTROL OF A SWITCHING REGULATOR FOR...

DISK DRIVE

INTEGRATION OF SPINDLE EXTERNAL SENSE RESISTOR INTO SERVO IC WITH S...

MOTOR CONTROL DEVICE AND DISK DRIVE DEVICE

DISK DRIVE

Disk-Drive Read/Write Head Retraction Velocity Control

System and Method to Determine Mechanical Resonance of an Accelerom...

Low Power Disk-Drive Motor Driver

Programmable Constant Voltage Retract of Disk Drive Actuator

Low-Power Pulse-Width-Modulated Retract of Disk Drive Actuator

Automatic gain adjustment for voice call motor back EMF monitor