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Tachikawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of fabricating a semiconductor integrated circuit device for...
Patent number
6,503,803
Issue date
Jan 7, 2003
Hitachi, Ltd.
Hiromi Todorobaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit device for connecting semiconducto...
Patent number
6,268,658
Issue date
Jul 31, 2001
Hitachi, Ltd.
Hiromi Todorobaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory circuit device and method for fabricating a se...
Patent number
6,043,118
Issue date
Mar 28, 2000
Hitachi, Ltd.
Naokatsu Suwanai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integrated circuit device for connecting semiconducto...
Patent number
6,031,288
Issue date
Feb 29, 2000
Hitachi, Ltd.
Hiromi Todorobaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making a semiconductor memory circuit device
Patent number
5,631,182
Issue date
May 20, 1997
Hitachi, Ltd.
Naokatsu Suwanai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of making a semiconductor memory circuit device
Patent number
5,389,558
Issue date
Feb 14, 1995
Hitachi, Ltd.
Naokatsu Suwanai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory circuit device and method for fabricating same
Patent number
5,237,187
Issue date
Aug 17, 1993
Hitachi, Ltd.
Naokatsu Suwanai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor integrated circuit device for connecting semiconducto...
Publication number
20010023958
Publication date
Sep 27, 2001
Hiromi Todorobaru
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and process for manufacturi...
Publication number
20010019180
Publication date
Sep 6, 2001
Takashi Aoyagi
H01 - BASIC ELECTRIC ELEMENTS