Akio Iwabuchi

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device, electric circuit using the same and method of...
- Patent number 9,293,570
- Issue date Mar 22, 2016
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device
- Patent number 9,153,682
- Issue date Oct 6, 2015
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor device
- Patent number 9,093,432
- Issue date Jul 28, 2015
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Drive circuit
- Patent number 9,025,348
- Issue date May 5, 2015
- Sanken Electric Co., Ltd.
- Keiichiro Ozawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device
- Patent number 8,823,061
- Issue date Sep 2, 2014
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor wafer and manufacturing method of semiconductor device
- Patent number 8,642,447
- Issue date Feb 4, 2014
- Sanken Electric Co., Ltd.
- Hironori Itou
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High electron mobility transistor having a high speed switching fun...
- Patent number 8,519,442
- Issue date Aug 27, 2013
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 8,492,792
- Issue date Jul 23, 2013
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 8,476,677
- Issue date Jul 2, 2013
- Sanken Electric Co., Ltd.
- Osamu Machida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having transistor and rectifier
- Patent number 8,421,123
- Issue date Apr 16, 2013
- Sanken Electric Co., Ltd.
- Osamu Machida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Monolithic integrated circuit
- Patent number 8,399,913
- Issue date Mar 19, 2013
- Sanken Electric Co., Ltd.
- Mio Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Capacitive load driver
- Patent number 8,217,687
- Issue date Jul 10, 2012
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor device
- Patent number 8,188,515
- Issue date May 29, 2012
- Sanken Electric Co., Ltd.
- Osamu Machida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 8,039,322
- Issue date Oct 18, 2011
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Monolithic integrated circuit of a field-effect semiconductor devic...
- Patent number 7,999,289
- Issue date Aug 16, 2011
- Sanken Electric Co., Ltd.
- Mio Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Normally-off field-effect semiconductor device
- Patent number 7,859,019
- Issue date Dec 28, 2010
- Sanken Electric Co., Ltd.
- Mio Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Drive circuit
- Patent number 7,859,138
- Issue date Dec 28, 2010
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Normally-off electronic switching device for on-off control of elec...
- Patent number 7,852,137
- Issue date Dec 14, 2010
- Sanken Electric Co., Ltd.
- Osamu Machida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Diode-like composite semiconductor device
- Patent number 7,825,435
- Issue date Nov 2, 2010
- Sanken Electric Co., Ltd.
- Osamu Machida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Device for driving switching elements
- Patent number 7,764,089
- Issue date Jul 27, 2010
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Level shift circuit and power supply device
- Patent number 7,688,049
- Issue date Mar 30, 2010
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of forming low-resistance contact electrodes in semiconducto...
- Patent number RE40965
- Issue date Nov 10, 2009
- Sanken Electric Co., Ltd.
- Shuichi Kaneko
- 438 - Semiconductor device manufacturing: process
Information Patent Grant
Semiconductor device with improved electrostatic tolerance
- Patent number 7,592,683
- Issue date Sep 22, 2009
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage measurement device
- Patent number 7,550,945
- Issue date Jun 23, 2009
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- G01 - MEASURING TESTING
Information Patent Grant
Switching power supply apparatus
- Patent number 7,492,614
- Issue date Feb 17, 2009
- Sanken Electric Co., Ltd.
- Ryuichi Furukoshi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method of fabricating semiconductor integrated circuit
- Patent number 7,135,364
- Issue date Nov 14, 2006
- Sanken Electric Co., Ltd.
- Makoto Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 7,132,725
- Issue date Nov 7, 2006
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage measurement device
- Patent number 7,126,342
- Issue date Oct 24, 2006
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- G01 - MEASURING TESTING
Information Patent Grant
Method of making semiconductor device including a first set of wind...
- Patent number 7,074,663
- Issue date Jul 11, 2006
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor element and manufacturing method thereof
- Patent number 7,071,527
- Issue date Jul 4, 2006
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20130328107
- Publication date Dec 12, 2013
- Sanken Electric Co., Ltd
- Akio IWABUCHI
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20130075925
- Publication date Mar 28, 2013
- Sanken Electric Co., Ltd
- Akio IWABUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DRIVE CIRCUIT
- Publication number 20130070487
- Publication date Mar 21, 2013
- Sanken Electric Co., Ltd
- Keiichiro OZAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20120217546
- Publication date Aug 30, 2012
- Sanken Electric Co., Ltd
- Osamu MACHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20120080724
- Publication date Apr 5, 2012
- Sanken Electric Co., Ltd
- Akio IWABUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE, ELECTRIC CIRCUIT USING THE SAME AND METHOD OF...
- Publication number 20120056648
- Publication date Mar 8, 2012
- Akio IWABUCHI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20120043588
- Publication date Feb 23, 2012
- Sanken Electric Co., Ltd
- Akio IWABUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20120032232
- Publication date Feb 9, 2012
- Sanken Electric Co., Ltd
- Akio IWABUCHI
- B82 - NANO-TECHNOLOGY
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20120001226
- Publication date Jan 5, 2012
- Sanken Electric Co., Ltd
- Akio IWABUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE ILLUMINATION DEVICE
- Publication number 20110284721
- Publication date Nov 24, 2011
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE HAVING TRANSISTOR AND RECTIFIER
- Publication number 20110254056
- Publication date Oct 20, 2011
- Sanken Electric Co., Ltd
- Osamu MACHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR WAFER AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE
- Publication number 20110204488
- Publication date Aug 25, 2011
- Sanken Electric Co., Ltd
- Hironori ITOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CAPACITIVE LOAD DRIVER
- Publication number 20110089980
- Publication date Apr 21, 2011
- Sanken Electric Co., Ltd
- Akio Iwabuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MONOLITHIC INTEGRATED CIRCUIT OF A FIELD-EFFECT SEMICONDUCTOR DEVIC...
- Publication number 20100155781
- Publication date Jun 24, 2010
- Sanken Electric Co., Ltd.
- Mio Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20100155780
- Publication date Jun 24, 2010
- Sanken Electric Co., Ltd
- Osamu MACHIDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DRIVE CIRCUIT
- Publication number 20100052648
- Publication date Mar 4, 2010
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
- Publication number 20090315071
- Publication date Dec 24, 2009
- Sanken Electric Co., Ltd
- Akio IWABUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NORMALLY-OFF ELECTRONIC SWITCHING DEVICE
- Publication number 20090167411
- Publication date Jul 2, 2009
- Sanken Electric Co., Ltd.
- Osamu Machida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LEVEL SHIFT CIRCUIT AND POWER SUPPLY DEVICE
- Publication number 20090052216
- Publication date Feb 26, 2009
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DEVICE FOR DRIVING SWITCHING ELEMENTS
- Publication number 20090045851
- Publication date Feb 19, 2009
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Diode-Like Composite Semiconductor Device
- Publication number 20080191216
- Publication date Aug 14, 2008
- Sanken Electric Co., Ltd.
- Osamu Machida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Switching Power Supply Apparatus
- Publication number 20070274104
- Publication date Nov 29, 2007
- Sanken Electric Co., Ltd.
- Ryuichi Furukoshi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MONOLITHIC INTEGRATED CIRCUIT OF A FIELD-EFFECT SEMICONDUCTOR DEVIC...
- Publication number 20070228477
- Publication date Oct 4, 2007
- Sanken Electric Co., Ltd
- Mio Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MONOLITHIC INTEGRATED CIRCUIT OF A FIELD-EFFECT SEMICONDUCTOR DEVIC...
- Publication number 20070228422
- Publication date Oct 4, 2007
- Sanken Electric Co., Ltd
- Mio Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NORMALLY-OFF FIELD-EFFECT SEMICONDUCTOR DEVICE, AND A METHOD OF INI...
- Publication number 20070187718
- Publication date Aug 16, 2007
- Sanken Electric Co., Ltd
- Mio Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device
- Publication number 20060255378
- Publication date Nov 16, 2006
- Sanken Electric Co., Ltd.
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VOLTAGE MEASUREMENT DEVICE
- Publication number 20060186894
- Publication date Aug 24, 2006
- Akio Iwabuchi
- G01 - MEASURING TESTING
Information Patent Application
Voltage measurement device
- Publication number 20060087329
- Publication date Apr 27, 2006
- Sanken Electric Co., Ltd
- Akio Iwabuchi
- G01 - MEASURING TESTING
Information Patent Application
Voltage measuring apparatus
- Publication number 20050218900
- Publication date Oct 6, 2005
- Akio Iwabuchi
- G01 - MEASURING TESTING
Information Patent Application
Semiconductor element and manufacturing method thereof
- Publication number 20050212073
- Publication date Sep 29, 2005
- Akio Iwabuchi
- H01 - BASIC ELECTRIC ELEMENTS

Akio Iwabuchi

Person

Patents Grantslast 30 patents

Semiconductor device, electric circuit using the same and method of...

Semiconductor device

Semiconductor device

Drive circuit

Semiconductor device

Semiconductor wafer and manufacturing method of semiconductor device

High electron mobility transistor having a high speed switching fun...

Semiconductor device and manufacturing method thereof

Semiconductor device

Semiconductor device having transistor and rectifier

Monolithic integrated circuit

Capacitive load driver

Semiconductor device

Semiconductor device and manufacturing method thereof

Monolithic integrated circuit of a field-effect semiconductor devic...

Normally-off field-effect semiconductor device

Drive circuit

Normally-off electronic switching device for on-off control of elec...

Diode-like composite semiconductor device

Device for driving switching elements

Level shift circuit and power supply device

Method of forming low-resistance contact electrodes in semiconducto...

Semiconductor device with improved electrostatic tolerance

Voltage measurement device

Switching power supply apparatus

Method of fabricating semiconductor integrated circuit

Semiconductor device

Voltage measurement device

Method of making semiconductor device including a first set of wind...

Semiconductor element and manufacturing method thereof

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

DRIVE CIRCUIT

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE, ELECTRIC CIRCUIT USING THE SAME AND METHOD OF...

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

ORGANIC ELECTROLUMINESCENCE ILLUMINATION DEVICE

SEMICONDUCTOR DEVICE HAVING TRANSISTOR AND RECTIFIER

SEMICONDUCTOR WAFER AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE

CAPACITIVE LOAD DRIVER

MONOLITHIC INTEGRATED CIRCUIT OF A FIELD-EFFECT SEMICONDUCTOR DEVIC...

SEMICONDUCTOR DEVICE

DRIVE CIRCUIT

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

NORMALLY-OFF ELECTRONIC SWITCHING DEVICE

LEVEL SHIFT CIRCUIT AND POWER SUPPLY DEVICE

DEVICE FOR DRIVING SWITCHING ELEMENTS

Diode-Like Composite Semiconductor Device

Switching Power Supply Apparatus

MONOLITHIC INTEGRATED CIRCUIT OF A FIELD-EFFECT SEMICONDUCTOR DEVIC...

MONOLITHIC INTEGRATED CIRCUIT OF A FIELD-EFFECT SEMICONDUCTOR DEVIC...

NORMALLY-OFF FIELD-EFFECT SEMICONDUCTOR DEVICE, AND A METHOD OF INI...

Semiconductor device

VOLTAGE MEASUREMENT DEVICE

Voltage measurement device

Voltage measuring apparatus

Semiconductor element and manufacturing method thereof