Yasuhiko KOKAMI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
DC-DC converter
- Patent number 11,575,319
- Issue date Feb 7, 2023
- Renesas Electronics Corporation
- Masayuki Ida
- G05 - CONTROLLING REGULATING
Information Patent Grant
Current detection circuit and semiconductor device including the same
- Patent number 10,302,681
- Issue date May 28, 2019
- Renesas Electronics Corporation
- Masanori Otsuka
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Motor driving apparatus and method for control of motor revolution
- Patent number 8,569,983
- Issue date Oct 29, 2013
- Renesas Electronics Corporation
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Control device for synchronous motor
- Patent number 8,362,727
- Issue date Jan 29, 2013
- Renesas Electronics Corporation
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive system of synchronous motor
- Patent number 8,258,732
- Issue date Sep 4, 2012
- Renesas Electronics Corporation
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive system of synchronous motor
- Patent number 8,232,751
- Issue date Jul 31, 2012
- Renesas Electronics Corporation
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply unit
- Patent number 8,004,349
- Issue date Aug 23, 2011
- Renesas Electronics Corporation
- Osamu Yamashita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor driving apparatus and method for control of motor revolution
- Patent number 7,915,844
- Issue date Mar 29, 2011
- Renesas Electronics Corporation
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Power supply unit
- Patent number 7,859,324
- Issue date Dec 28, 2010
- Renesas Electronics Corporation
- Osamu Yamashita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control device for synchronous motor
- Patent number 7,859,209
- Issue date Dec 28, 2010
- Renesas Electronics Corporation
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Synchronous motor control device
- Patent number 7,847,500
- Issue date Dec 7, 2010
- Renesas Technology Corporation
- Yoshitaka Iwaji
- G11 - INFORMATION STORAGE
Information Patent Grant
VCM driver and PWM amplifier
- Patent number 7,848,044
- Issue date Dec 7, 2010
- Renesas Electronics Corporation
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive control device of motor and a method of start-up
- Patent number 7,750,586
- Issue date Jul 6, 2010
- Renesas Technology Corp.
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive control device of motor and a method of start-up
- Patent number 7,723,937
- Issue date May 25, 2010
- Renesas Technology Corp.
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Grant
VCM driver and PWM amplifier
- Patent number 7,710,678
- Issue date May 4, 2010
- Renesas Technolgy Corp.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Switching regulator
- Patent number 7,492,132
- Issue date Feb 17, 2009
- Renesas Technology Corp.
- Hiroshi Kuroiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive control device of motor and a method of start-up
- Patent number 7,411,365
- Issue date Aug 12, 2008
- Renesas Technology Corp.
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor drive device and integrated circuit device for motor driving
- Patent number 7,294,982
- Issue date Nov 13, 2007
- Renesas Technology Corp.
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor drive semiconductor integrated circuit and magnetic disk stor...
- Patent number 7,280,308
- Issue date Oct 9, 2007
- Renesas Technology Corporation
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk storage system
- Patent number 7,158,332
- Issue date Jan 2, 2007
- Renesas Technology Corp.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor drive device and integrated circuit device for motor driving
- Patent number 7,088,063
- Issue date Aug 8, 2006
- Renesas Technology Corp.
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotation drive control circuit of multiphases direct current motor...
- Patent number 7,071,640
- Issue date Jul 4, 2006
- Renesas Technology Corporation
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic disk storage system
- Patent number 7,054,089
- Issue date May 30, 2006
- Renesas Technology Corp.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor drive device and motor drive integrated circuit device
- Patent number 6,998,801
- Issue date Feb 14, 2006
- Renesas Technology Corp.
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic disc storage apparatus
- Patent number 6,975,479
- Issue date Dec 13, 2005
- Renesas Technology Corp.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk memory system
- Patent number 6,972,918
- Issue date Dec 6, 2005
- Renesas Technology Corp.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disc storage apparatus
- Patent number 6,903,894
- Issue date Jun 7, 2005
- Hitachi, Ltd.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive control system for sensor-less motor
- Patent number 6,900,604
- Issue date May 31, 2005
- Renesas Technology Corp.
- Yasuhiko Kokami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Magnetic disk storage apparatus
- Patent number 6,801,382
- Issue date Oct 5, 2004
- Renesas Technology Corp.
- Reiichi Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Drive control system for sensor-less motor
- Patent number 6,771,033
- Issue date Aug 3, 2004
- Renesas Technology Corp.
- Yasuhiko Kokami
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
DC-DC CONVERTER
- Publication number 20210249958
- Publication date Aug 12, 2021
- RENESAS ELECTRONICS CORPORATION
- Masayuki IDA
- G05 - CONTROLLING REGULATING
Information Patent Application
CURRENT DETECTION CIRCUIT AND SEMICONDUCTOR DEVICE INCLUDING THE SAME
- Publication number 20170212154
- Publication date Jul 27, 2017
- RENESAS ELECTRONICS CORPORATION
- Masanori OTSUKA
- G01 - MEASURING TESTING
Information Patent Application
MOTOR DRIVING APPARATUS AND METHOD FOR CONTROL OF MOTOR REVOLUTION
- Publication number 20110156625
- Publication date Jun 30, 2011
- RENESAS ELECTRONICS CORPORATION
- Minoru KUROSAWA
- G11 - INFORMATION STORAGE
Information Patent Application
Control Device for Synchronous Motor
- Publication number 20110074324
- Publication date Mar 31, 2011
- RENESAS ELECTRONICS CORPORATION
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY UNIT
- Publication number 20110063021
- Publication date Mar 17, 2011
- RENESAS ELECTRONICS CORPORATION
- Osamu YAMASHITA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VCM DRIVER AND PWM AMPLIFIER
- Publication number 20100177444
- Publication date Jul 15, 2010
- Renesas Technology Corp.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Application
DRIVE SYSTEM OF SYNCHRONOUS MOTOR
- Publication number 20100066284
- Publication date Mar 18, 2010
- Renesas Technology Corp.
- Yoshitaka IWAJI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER SUPPLY UNIT
- Publication number 20090212851
- Publication date Aug 27, 2009
- Osamu YAMASHITA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DRIVE SYSTEM OF SYNCHRONOUS MOTOR
- Publication number 20090200971
- Publication date Aug 13, 2009
- Yoshitaka IWAJI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VCM DRIVER AND PWM AMPLIFIER
- Publication number 20090080115
- Publication date Mar 26, 2009
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Application
MOTOR DRIVING APPARATUS AND METHOD FOR CONTROL OF MOTOR REVOLUTION
- Publication number 20090072773
- Publication date Mar 19, 2009
- Minoru KUROSAWA
- G11 - INFORMATION STORAGE
Information Patent Application
DRIVE CONTROL DEVICE OF MOTOR AND A METHOD OF START-UP
- Publication number 20080297082
- Publication date Dec 4, 2008
- RENESAS TECHNOLOGY CORP.
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Synchronous motor control device
- Publication number 20080143288
- Publication date Jun 19, 2008
- Renesas Technology Corp.,
- Yoshitaka Iwaji
- G11 - INFORMATION STORAGE
Information Patent Application
DRIVE CONTROL DEVICE OF MOTOR AND A METHOD OF START-UP
- Publication number 20080100243
- Publication date May 1, 2008
- Minoru KUROSAWA
- G11 - INFORMATION STORAGE
Information Patent Application
Control device for synchronous motor
- Publication number 20080061726
- Publication date Mar 13, 2008
- Hitachi, Ltd
- Yoshitaka Iwaji
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Motor drive semiconductor integrated circuit and magnetic disk stor...
- Publication number 20070195451
- Publication date Aug 23, 2007
- Yasuhiko Kokami
- G05 - CONTROLLING REGULATING
Information Patent Application
Switching regulator
- Publication number 20070035281
- Publication date Feb 15, 2007
- RENESAS TECHNOLOGY CORP.
- Hiroshi Kuroiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Magnetic disk storage apparatus
- Publication number 20060227448
- Publication date Oct 12, 2006
- RENESAS TECHNOLOGY CORP.
- Reiichi Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Motor drive device and integrated circuit device for motor driving
- Publication number 20060158142
- Publication date Jul 20, 2006
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Application
Drive control device of motor and a method of start-up
- Publication number 20060082336
- Publication date Apr 20, 2006
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Magnetic disk storage system
- Publication number 20060072237
- Publication date Apr 6, 2006
- RENESAS TECHNOLOGY CORP.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Application
Motor drive semiconductor integrated circuit and magnetic disk stor...
- Publication number 20050218853
- Publication date Oct 6, 2005
- Yasuhiko Kokami
- G05 - CONTROLLING REGULATING
Information Patent Application
Motor drive device and motor drive integrated circuit device
- Publication number 20050189891
- Publication date Sep 1, 2005
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Drive control system for sensor-less motor
- Publication number 20050189892
- Publication date Sep 1, 2005
- RENESAS TECHNOLOGY CORP.
- Yasuhiko Kokami
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Motor drive device and integrated circuit device for motor driving
- Publication number 20050067986
- Publication date Mar 31, 2005
- Minoru Kurosawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk storage apparatus
- Publication number 20050036228
- Publication date Feb 17, 2005
- RENESAS TECHNOLOGY CORP.
- Reiichi Kimura
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk storage system
- Publication number 20040100722
- Publication date May 27, 2004
- RENESAS TECHNOLOGY CORP.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Application
Rotation drive control circuit of multiphases direct current motor...
- Publication number 20040080293
- Publication date Apr 29, 2004
- RENESAS TECHNOLOGY CORP.
- Minoru Kurosawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Magnetic disk memory system
- Publication number 20030227707
- Publication date Dec 11, 2003
- Hitachi, Ltd.
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
Information Patent Application
Drive control system for sensor-less motor
- Publication number 20030107337
- Publication date Jun 12, 2003
- Hitachi, Ltd.
- Yasuhiko Kokami
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Yasuhiko KOKAMI

Person

Patents Grantslast 30 patents

DC-DC converter

Current detection circuit and semiconductor device including the same

Motor driving apparatus and method for control of motor revolution

Control device for synchronous motor

Drive system of synchronous motor

Drive system of synchronous motor

Power supply unit

Motor driving apparatus and method for control of motor revolution

Power supply unit

Control device for synchronous motor

Synchronous motor control device

VCM driver and PWM amplifier

Drive control device of motor and a method of start-up

Drive control device of motor and a method of start-up

VCM driver and PWM amplifier

Switching regulator

Drive control device of motor and a method of start-up

Motor drive device and integrated circuit device for motor driving

Motor drive semiconductor integrated circuit and magnetic disk stor...

Magnetic disk storage system

Motor drive device and integrated circuit device for motor driving

Rotation drive control circuit of multiphases direct current motor...

Magnetic disk storage system

Motor drive device and motor drive integrated circuit device

Magnetic disc storage apparatus

Magnetic disk memory system

Magnetic disc storage apparatus

Drive control system for sensor-less motor

Magnetic disk storage apparatus

Drive control system for sensor-less motor

Patents Applicationslast 30 patents

DC-DC CONVERTER

CURRENT DETECTION CIRCUIT AND SEMICONDUCTOR DEVICE INCLUDING THE SAME

MOTOR DRIVING APPARATUS AND METHOD FOR CONTROL OF MOTOR REVOLUTION

Control Device for Synchronous Motor

POWER SUPPLY UNIT

VCM DRIVER AND PWM AMPLIFIER

DRIVE SYSTEM OF SYNCHRONOUS MOTOR

POWER SUPPLY UNIT

DRIVE SYSTEM OF SYNCHRONOUS MOTOR

VCM DRIVER AND PWM AMPLIFIER

MOTOR DRIVING APPARATUS AND METHOD FOR CONTROL OF MOTOR REVOLUTION

DRIVE CONTROL DEVICE OF MOTOR AND A METHOD OF START-UP

Synchronous motor control device

DRIVE CONTROL DEVICE OF MOTOR AND A METHOD OF START-UP

Control device for synchronous motor

Motor drive semiconductor integrated circuit and magnetic disk stor...

Switching regulator

Magnetic disk storage apparatus

Motor drive device and integrated circuit device for motor driving

Drive control device of motor and a method of start-up

Magnetic disk storage system

Motor drive semiconductor integrated circuit and magnetic disk stor...

Motor drive device and motor drive integrated circuit device

Drive control system for sensor-less motor

Motor drive device and integrated circuit device for motor driving

Magnetic disk storage apparatus

Magnetic disk storage system

Rotation drive control circuit of multiphases direct current motor...

Magnetic disk memory system

Drive control system for sensor-less motor