Hiroshi KUROIWA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and electric power control apparatus
- Patent number 10,224,921
- Issue date Mar 5, 2019
- Renesas Electronics Corporation
- Ryo Kanda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power supply device with shared inductive elements under switch con...
- Patent number 9,667,142
- Issue date May 30, 2017
- Renesas Electronics Corporation
- Hiroshi Kuroiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device and electric power control apparatus
- Patent number 9,621,151
- Issue date Apr 11, 2017
- Renesas Electronics Corporation
- Ryo Kanda
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Hard disc device control circuit and hard disc device
- Patent number 8,482,233
- Issue date Jul 9, 2013
- Renesas Electronics Corporation
- Hiroshi Kuroiwa
- 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
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
Magnetic disk storage apparatus
- Patent number 6,757,129
- Issue date Jun 29, 2004
- Renesas Technology Corporation
- Hiroshi Kuroiwa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE AND ELECTRIC POWER CONTROL APPARATUS
- Publication number 20170170819
- Publication date Jun 15, 2017
- RENESAS ELECTRONICS CORPORATION
- Ryo KANDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE AND ELECTRIC POWER CONTROL APPARATUS
- Publication number 20170019093
- Publication date Jan 19, 2017
- RENESAS ELECTRONICS CORPORATION
- Ryo KANDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POWER SUPPLY DEVICE WITH SHARED INDUCTIVE ELEMENTS UNDER SWITCH CON...
- Publication number 20140084889
- Publication date Mar 27, 2014
- RENESAS ELECTRONICS CORPORATION
- Hiroshi KUROIWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
HARD DISC DEVICE CONTROL CIRCUIT AND HARD DISC DEVICE
- Publication number 20110102931
- Publication date May 5, 2011
- RENESAS ELECTRONICS CORPORATION
- Hiroshi KUROIWA
- G11 - INFORMATION STORAGE
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
VCM DRIVER AND PWM AMPLIFIER
- Publication number 20090080115
- Publication date Mar 26, 2009
- Yasuhiko Kokami
- G11 - INFORMATION STORAGE
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 20020181141
- Publication date Dec 5, 2002
- Hiroshi Kuroiwa
- G11 - INFORMATION STORAGE

Hiroshi KUROIWA

Person

Patents Grantslast 30 patents

Semiconductor device and electric power control apparatus

Power supply device with shared inductive elements under switch con...

Semiconductor device and electric power control apparatus

Hard disc device control circuit and hard disc device

VCM driver and PWM amplifier

VCM driver and PWM amplifier

Switching regulator

Magnetic disk storage apparatus

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE AND ELECTRIC POWER CONTROL APPARATUS

SEMICONDUCTOR DEVICE AND ELECTRIC POWER CONTROL APPARATUS

POWER SUPPLY DEVICE WITH SHARED INDUCTIVE ELEMENTS UNDER SWITCH CON...

HARD DISC DEVICE CONTROL CIRCUIT AND HARD DISC DEVICE

VCM DRIVER AND PWM AMPLIFIER

VCM DRIVER AND PWM AMPLIFIER

Switching regulator

Magnetic disk storage apparatus