MAMORU SAWAHATA

Person

HITACHI-SHI, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Circuit board
- Patent number 7,141,741
- Issue date Nov 28, 2006
- Hitachi, Ltd.
- Kazuji Yamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device, including an arrangement to provide a uniform...
- Patent number 6,686,658
- Issue date Feb 3, 2004
- Hitachi, Ltd.
- Hironori Kodama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device, including an arrangement to provide a uniform...
- Patent number 6,495,924
- Issue date Dec 17, 2002
- Hitachi, Ltd.
- Hironori Kodama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 6,434,008
- Issue date Aug 13, 2002
- Hitachi, Ltd.
- Kazuji Yamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Semiconductor device having power semiconductor elements
- Patent number 5,956,231
- Issue date Sep 21, 1999
- Hitachi, Ltd.
- Kazuji Yamada
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for removing an electronic component from a board
- Patent number 5,423,931
- Issue date Jun 13, 1995
- Hitachi, Ltd.
- Hirokazu Inoue
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electronic parts loaded module including thermal stress absorbing p...
- Patent number 5,422,516
- Issue date Jun 6, 1995
- Hitachi, Ltd.
- Takashi Hosokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device
- Patent number 4,970,575
- Issue date Nov 13, 1990
- Hitachi, Ltd.
- Tasao Soga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor resin package structure
- Patent number 4,825,284
- Issue date Apr 25, 1989
- Hitachi, Ltd.
- Tasao Soga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Display panel
- Patent number 4,543,573
- Issue date Sep 24, 1985
- Hitachi, Ltd.
- Moriaki Fuyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor device having ribbon electrode structure and method f...
- Patent number 4,516,149
- Issue date May 7, 1985
- Hitachi, Ltd.
- Yoko Wakui
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Circuit board
- Publication number 20040056349
- Publication date Mar 25, 2004
- Kazuji Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device
- Publication number 20030016502
- Publication date Jan 23, 2003
- Kazuji Yamada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor device, including an arrangementto provide a uniform...
- Publication number 20030001258
- Publication date Jan 2, 2003
- HIRONORI KODAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRESS CONTACT TYPE SEMICONDUCTOR DEVICE AND CONVERTER USING SAME
- Publication number 20020005578
- Publication date Jan 17, 2002
- HIRONORI KODAMA
- H01 - BASIC ELECTRIC ELEMENTS

MAMORU SAWAHATA

Person

Patents Grantslast 30 patents

Circuit board

Semiconductor device, including an arrangement to provide a uniform...

Semiconductor device, including an arrangement to provide a uniform...

Semiconductor device

Semiconductor device having power semiconductor elements

Method and apparatus for removing an electronic component from a board

Electronic parts loaded module including thermal stress absorbing p...

Semiconductor device

Semiconductor resin package structure

Display panel

Semiconductor device having ribbon electrode structure and method f...

Patents Applicationslast 30 patents

Circuit board

Semiconductor device

Semiconductor device, including an arrangementto provide a uniform...

PRESS CONTACT TYPE SEMICONDUCTOR DEVICE AND CONVERTER USING SAME