Yasuo Kaminaga

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Buck-boost DC-DC converter with auxiliary inductors for zero curren...
- Patent number 8,207,717
- Issue date Jun 26, 2012
- Hitachi, Ltd.
- Junpei Uruno
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Unidirectional DC-DC converter
- Patent number 7,557,546
- Issue date Jul 7, 2009
- Hitachi, Ltd.
- Junpei Uruno
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Soft switching DC-DC converter including a buck converter and a boo...
- Patent number 7,551,462
- Issue date Jun 23, 2009
- Hitachi, Ltd.
- Junpei Uruno
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Input/output device for connection and disconnection of active lines
- Patent number 6,728,811
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Tsutomu Yamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Input/output device for connection and disconnection of active lines
- Patent number 6,393,509
- Issue date May 21, 2002
- Hitachi, Ltd.
- Tsutomu Yamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Input/output device for connection and disconnection of active lines
- Patent number 6,289,407
- Issue date Sep 11, 2001
- Hitachi, Ltd.
- Tsutomu Yamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor gate array device
- Patent number 6,160,275
- Issue date Dec 12, 2000
- Hitachi, Ltd.
- Yoji Nishio
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Input/output device for connection and disconnection of active lines
- Patent number 6,038,615
- Issue date Mar 14, 2000
- Hitachi, Ltd.
- Tsutomu Yamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Input and output buffer circuit
- Patent number 5,880,602
- Issue date Mar 9, 1999
- Hitachi, Ltd.
- Yasuo Kaminaga
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit device comprising CMOS transistors...
- Patent number 5,663,659
- Issue date Sep 2, 1997
- Hitachi, Ltd.
- Yasuo Kaminaga
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-speed semiconductor integrated circuit device composed of CMOS...
- Patent number 5,614,848
- Issue date Mar 25, 1997
- Hitachi, Ltd.
- Yasuo Kaminaga
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 5,604,417
- Issue date Feb 18, 1997
- Hitachi, Ltd.
- Yasuo Kaminaga
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
DC-DC Converter And Its Controlling Method
- Publication number 20110013437
- Publication date Jan 20, 2011
- Junpei Uruno
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DC-DC Converter and Its Controlling Method
- Publication number 20080100273
- Publication date May 1, 2008
- Junpei Uruno
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
UNIDERECTIONAL DC-DC CONVERTER
- Publication number 20070236966
- Publication date Oct 11, 2007
- Junpei Uruno
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Soft switching DC-DC converter
- Publication number 20060176719
- Publication date Aug 10, 2006
- Junpei Uruno
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Input/output device for connection and disconnection of active lines
- Publication number 20020133660
- Publication date Sep 19, 2002
- Tsutomu Yamada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Input/output device for connection and disconnection of active lines
- Publication number 20020004914
- Publication date Jan 10, 2002
- Tsutomu Yamada
- G06 - COMPUTING CALCULATING COUNTING

Yasuo Kaminaga

Person

Patents Grantslast 30 patents

Buck-boost DC-DC converter with auxiliary inductors for zero curren...

Unidirectional DC-DC converter

Soft switching DC-DC converter including a buck converter and a boo...

Input/output device for connection and disconnection of active lines

Input/output device for connection and disconnection of active lines

Input/output device for connection and disconnection of active lines

Semiconductor gate array device

Input/output device for connection and disconnection of active lines

Input and output buffer circuit

Semiconductor integrated circuit device comprising CMOS transistors...

High-speed semiconductor integrated circuit device composed of CMOS...

Semiconductor integrated circuit device

Patents Applicationslast 30 patents

DC-DC Converter And Its Controlling Method

DC-DC Converter and Its Controlling Method

UNIDERECTIONAL DC-DC CONVERTER

Soft switching DC-DC converter

Input/output device for connection and disconnection of active lines

Input/output device for connection and disconnection of active lines