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Ibaraki-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor devices and methods of making the devices
Patent number
6,861,294
Issue date
Mar 1, 2005
Renesas Technology Corp.
Shigeharu Tsunoda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device a ball grid array pa...
Patent number
6,686,226
Issue date
Feb 3, 2004
Hitachi, Ltd.
Shigeharu Tsunoda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a semiconductor device having a ball grid a...
Patent number
6,114,192
Issue date
Sep 5, 2000
Hitachi, Ltd.
Shigeharu Tsunoda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device having a ball grid array package structure usi...
Patent number
5,914,531
Issue date
Jun 22, 1999
Hitachi, Ltd.
Shigeharu Tsunoda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Encapsulated semiconductor device package having holes for electric...
Patent number
5,608,265
Issue date
Mar 4, 1997
Hitachi, Ltd.
Makoto Kitano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic component, electronic component assembly and electronic...
Patent number
5,569,960
Issue date
Oct 29, 1996
Hitachi, Ltd.
Tetsuo Kumazawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plastic-molded-type semiconductor device
Patent number
5,539,250
Issue date
Jul 23, 1996
Hitachi, Ltd.
Makoto Kitano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plastic encapsulated semiconductor device and lead frame
Patent number
5,357,139
Issue date
Oct 18, 1994
Hitachi, Ltd.
Akihiro Yaguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plastic-molded-type semiconductor device
Patent number
5,347,429
Issue date
Sep 13, 1994
Hitachi, Ltd.
Ryuji Kohno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with a plurality of face to face chips
Patent number
5,296,737
Issue date
Mar 22, 1994
Hitachi, Ltd.
Asao Nishimura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plastic-molded-type semiconductor device and producing method therefor
Patent number
5,295,045
Issue date
Mar 15, 1994
Hitachi, Ltd.
Makoto Kitano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plastic encapsulated semiconductor device
Patent number
5,256,903
Issue date
Oct 26, 1993
Hitachi Ltd.
Maya Obata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plastic encapsulated semiconductor device and structure for mountin...
Patent number
5,194,935
Issue date
Mar 16, 1993
Hitachi, Ltd.
Makoto Kitano
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor devices and methods of making the devices
Publication number
20040063272
Publication date
Apr 1, 2004
Hitachi, Ltd.
Shigeharu Tsunoda
H01 - BASIC ELECTRIC ELEMENTS