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Akihiro Tamba
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrical apparatus, cooling system therefor, and electric vehicle
Patent number
7,983,044
Issue date
Jul 19, 2011
Hitachi, Ltd.
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Power semiconductor module
Patent number
7,928,587
Issue date
Apr 19, 2011
Hitachi, Ltd.
Akihiro Tamba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrical apparatus, cooling system therefor, and electric vehicle
Patent number
7,660,122
Issue date
Feb 9, 2010
Hitachi, Ltd.
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electrical apparatus, cooling system therefor, and electric vehicle
Patent number
7,252,167
Issue date
Aug 7, 2007
Hitachi, Ltd.
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electrical apparatus, cooling system therefor, and electric vehicle
Patent number
7,090,044
Issue date
Aug 15, 2006
Hitachi, Ltd.
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Electrical apparatus, cooling system therefor, and electric vehicle
Patent number
6,978,856
Issue date
Dec 27, 2005
Hitachi, Ltd.
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Heat transfer structure for a semiconductor device utilizing a bism...
Patent number
6,784,538
Issue date
Aug 31, 2004
Hitachi, Ltd.
Takayoshi Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Heat transfer structure for a semiconductor device utilizing a bism...
Patent number
6,768,193
Issue date
Jul 27, 2004
Hitachi, Ltd.
Takayoshi Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Water cooled inverter
Patent number
6,661,659
Issue date
Dec 9, 2003
Hitachi, Ltd.
Akihiro Tamba
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Water cooled inverter
Patent number
6,621,701
Issue date
Sep 16, 2003
Hitachi, Ltd.
Akihiro Tamba
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Liquid cooled circuit device
Patent number
6,594,149
Issue date
Jul 15, 2003
Hitachi, Ltd.
Kazuji Yamada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Liquid cooled circuit device and a manufacturing method thereof
Patent number
6,588,647
Issue date
Jul 8, 2003
Hitachi, Ltd.
Kazuji Yamada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Semiconductor module and power converting apparatus using the module
Patent number
6,486,548
Issue date
Nov 26, 2002
Hitachi, Ltd.
Kinya Nakatsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power semiconductor module and motor drive system
Patent number
6,313,598
Issue date
Nov 6, 2001
Hitachi, Ltd.
Akihiro Tamba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device including an integrally molded lead frame
Patent number
6,291,880
Issue date
Sep 18, 2001
Hitachi, Ltd.
Toshio Ogawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor module, power converter using the same and manufactur...
Patent number
6,144,571
Issue date
Nov 7, 2000
Hitachi, Ltd.
Yasushi Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Power semiconductor module employing metal based molded case and sc...
Patent number
5,920,119
Issue date
Jul 6, 1999
Hitachi, Ltd.
Akihiro Tamba
H01 - BASIC ELECTRIC ELEMENTS
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 memory device and data processing system u...
Patent number
5,654,931
Issue date
Aug 5, 1997
Hitachi, Ltd.
Akihiro Tamba
G11 - INFORMATION STORAGE
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
Information
Patent Grant
Semiconductor integrated circuit device including a dielectric brea...
Patent number
5,268,587
Issue date
Dec 7, 1993
Hitachi, Ltd.
Jun Murata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of manufacture thereof
Patent number
5,258,644
Issue date
Nov 2, 1993
Hitachi, Ltd.
Akihiro Tamba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithic semiconductor IC device including blocks having differen...
Patent number
5,121,185
Issue date
Jun 9, 1992
Hitachi, Ltd.
Akihiro Tamba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
5,081,515
Issue date
Jan 14, 1992
Hitachi, Ltd.
Jun Murata
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
ELECTRICAL APPARATUS, COOLING SYSTEM THEREFOR, AND ELECTRIC VEHICLE
Publication number
20100139997
Publication date
Jun 10, 2010
Hitachi, Ltd
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Application
Power Semiconductor Module
Publication number
20080258316
Publication date
Oct 23, 2008
Hitachi, Ltd.
Akihiro Tamba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRICAL APPARATUS, COOLING SYSTEM THEREFOR, AND ELECTRIC VEHICLE
Publication number
20070242435
Publication date
Oct 18, 2007
Hitachi, Ltd
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Application
Electrical apparatus, cooling system therefor, and electric vehicle
Publication number
20060243504
Publication date
Nov 2, 2006
Hitachi, Ltd
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Application
Electrical apparatus, cooling system therefor, and electric vehicle
Publication number
20040173392
Publication date
Sep 9, 2004
Hitachi, Ltd.
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Application
Electrical apparatus, cooling system therefor, and electric vehicle
Publication number
20040020231
Publication date
Feb 5, 2004
Takayoshi Nakamura
B60 - VEHICLES IN GENERAL
Information
Patent Application
Water cooled inverter
Publication number
20030067749
Publication date
Apr 10, 2003
Hitachi, Ltd.
Akihiro Tamba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Water cooled inverter
Publication number
20030067748
Publication date
Apr 10, 2003
HITACHI LTD.
Akihiro Tamba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Liquid cooled circuit device and a manufacturing method thereof
Publication number
20030053294
Publication date
Mar 20, 2003
Kazuji Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Liquid cooled circuit device and a manufacturing method thereof
Publication number
20030053298
Publication date
Mar 20, 2003
Kazuji Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Heat transfer structure and a semi-conductor device
Publication number
20030025195
Publication date
Feb 6, 2003
Hitachi, Ltd.
Takayoshi Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Heat transfer structure and a semi-conductor device
Publication number
20030025196
Publication date
Feb 6, 2003
Hitachi, Ltd.
Takayoshi Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Power semiconductor module
Publication number
20020153532
Publication date
Oct 24, 2002
Yukio Sonobe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Power semiconductor module
Publication number
20010038143
Publication date
Nov 8, 2001
Yukio Sonobe
H01 - BASIC ELECTRIC ELEMENTS