Takayuki Iwasaki

Person

Tokai, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device, DC/DC converter and power supply
- Patent number 8,207,558
- Issue date Jun 26, 2012
- Renesas Electronics Corporation
- Masaki Shiraishi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Isolator and a modem device using the isolator
- Patent number 7,522,692
- Issue date Apr 21, 2009
- Hitachi, Ltd.
- Seigoh Yukutake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch elements and a DC/DC converter using the same
- Patent number 7,514,731
- Issue date Apr 7, 2009
- Renesas Technology Corp.
- Masaki Shiraishi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Isolator and a modem device using the isolator
- Patent number 7,289,553
- Issue date Oct 30, 2007
- Hitachi, Ltd.
- Seigoh Yukutake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor device and power supply system
- Patent number 7,109,577
- Issue date Sep 19, 2006
- Renesas Technology Corp.
- Masaki Shiraishi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device and method for fabricating the same
- Patent number 7,089,525
- Issue date Aug 8, 2006
- Hitachi, Ltd.
- Yoichi Tamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power MOSFET with reduced dgate resistance
- Patent number 7,019,362
- Issue date Mar 28, 2006
- Renesas Technology, Corp.
- Kozo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Synchronous rectifier circuit and power supply
- Patent number 7,005,834
- Issue date Feb 28, 2006
- Renesas Technology Corp.
- Takayuki Iwasaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device and method for fabricating the same
- Patent number 6,662,344
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Yoichi Tamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Isolator and a modem device using the isolator
- Patent number 6,603,807
- Issue date Aug 5, 2003
- Hitachi, Ltd.
- Seigoh Yukutake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Over-sampling A/D, D/A converter
- Patent number 6,476,750
- Issue date Nov 5, 2002
- Hitachi, Ltd.
- Nobuyasu Kanekawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Silicon carbide semiconductor switching device
- Patent number 6,384,428
- Issue date May 7, 2002
- Hitachi, Ltd.
- Toshiyuki Oono
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor surge absorber, electrical-electronic apparatus, and...
- Patent number 6,353,236
- Issue date Mar 5, 2002
- Hitachi, Ltd.
- Tsutomu Yatsuo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Line interface circuit and information communication apparatus usin...
- Patent number 6,344,809
- Issue date Feb 5, 2002
- Hitachi, Ltd.
- Nobuyasu Kanekawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Static induction semiconductor device, and driving method and drive...
- Patent number 6,180,959
- Issue date Jan 30, 2001
- Hitachi, Ltd.
- Takayuki Iwasaki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power converter with clamping circuit
- Patent number 6,169,672
- Issue date Jan 2, 2001
- Hitachi, Ltd.
- Shin Kimura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE, DC/DC CONVERTER AND POWER SUPPLY
- Publication number 20090179235
- Publication date Jul 16, 2009
- Masaki Shiraishi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Isolator and a modem device using the isolator
- Publication number 20070153886
- Publication date Jul 5, 2007
- Seigoh Yukutake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DMOSFET and planar type MOSFET
- Publication number 20070045727
- Publication date Mar 1, 2007
- Masaki Shiraishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor devices, DC/DC converter and power supply
- Publication number 20060006432
- Publication date Jan 12, 2006
- Masaki Shiraishi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Synchronous rectifier circuit and power supply
- Publication number 20050007078
- Publication date Jan 13, 2005
- Takayuki Iwasaki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Static induction transistor, method of manufacturing same and elect...
- Publication number 20050006649
- Publication date Jan 13, 2005
- Takayuki Iwasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and power supply system
- Publication number 20040227547
- Publication date Nov 18, 2004
- Masaki Shiraishi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device
- Publication number 20040227163
- Publication date Nov 18, 2004
- Kozo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and method for fabricating the same
- Publication number 20040079996
- Publication date Apr 29, 2004
- Hitachi, Ltd. and Hitachi ULSI Systems Co., Ltd.
- Yoichi Tamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Isolator and a modem device using the isolator
- Publication number 20030169808
- Publication date Sep 11, 2003
- Seigoh Yukutake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power supply apparatus using power semiconductor switching element
- Publication number 20020190285
- Publication date Dec 19, 2002
- Kozo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Power semiconductor device
- Publication number 20020179945
- Publication date Dec 5, 2002
- Kozo Sakamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device and method for fabricating the same
- Publication number 20020149084
- Publication date Oct 17, 2002
- Hitachi, Ltd.
- Yoichi Tamaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor integrated circuit device with reduced cross-talk and...
- Publication number 20020130369
- Publication date Sep 19, 2002
- Takayuki Iwasaki
- H01 - BASIC ELECTRIC ELEMENTS

Takayuki Iwasaki

Person

Patents Grantslast 30 patents

Semiconductor device, DC/DC converter and power supply

Isolator and a modem device using the isolator

Switch elements and a DC/DC converter using the same

Isolator and a modem device using the isolator

Semiconductor device and power supply system

Semiconductor device and method for fabricating the same

Power MOSFET with reduced dgate resistance

Synchronous rectifier circuit and power supply

Semiconductor device and method for fabricating the same

Isolator and a modem device using the isolator

Over-sampling A/D, D/A converter

Silicon carbide semiconductor switching device

Semiconductor surge absorber, electrical-electronic apparatus, and...

Line interface circuit and information communication apparatus usin...

Static induction semiconductor device, and driving method and drive...

Power converter with clamping circuit

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE, DC/DC CONVERTER AND POWER SUPPLY

Isolator and a modem device using the isolator

DMOSFET and planar type MOSFET

Semiconductor devices, DC/DC converter and power supply

Synchronous rectifier circuit and power supply

Static induction transistor, method of manufacturing same and elect...

Semiconductor device and power supply system

Semiconductor device

Semiconductor device and method for fabricating the same

Isolator and a modem device using the isolator

Power supply apparatus using power semiconductor switching element

Power semiconductor device

Semiconductor device and method for fabricating the same

Semiconductor integrated circuit device with reduced cross-talk and...