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Yasuhiro Kasama
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
7,499,340
Issue date
Mar 3, 2009
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
7,345,929
Issue date
Mar 18, 2008
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
7,203,101
Issue date
Apr 10, 2007
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
7,016,236
Issue date
Mar 21, 2006
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
6,898,130
Issue date
May 24, 2005
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor device formed in a rectangle region on a semiconducto...
Patent number
6,657,901
Issue date
Dec 2, 2003
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
6,515,913
Issue date
Feb 4, 2003
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Sealed stacked arrangement of semiconductor devices
Patent number
RE37539
Issue date
Feb 5, 2002
Hitachi, Ltd.
Satoshi Oguchi
257 - Active solid-state devices
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
6,335,884
Issue date
Jan 1, 2002
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
6,212,089
Issue date
Apr 3, 2001
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
6,160,744
Issue date
Dec 12, 2000
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
6,049,500
Issue date
Apr 11, 2000
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory having redundancy circuit
Patent number
5,983,358
Issue date
Nov 9, 1999
Hitachi, Ltd.
Masashi Horiguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device having zigzag bonding pad arrangement
Patent number
5,854,508
Issue date
Dec 29, 1998
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Sealed stacked arrangement of semiconductor devices
Patent number
5,701,031
Issue date
Dec 23, 1997
Hitachi, Ltd.
Satoshi Oguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
5,602,771
Issue date
Feb 11, 1997
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device and defect remedying method thereof
Patent number
5,579,256
Issue date
Nov 26, 1996
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-chip semiconductor package
Patent number
5,332,922
Issue date
Jul 26, 1994
Hitachi, Ltd.
Satoshi Oguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Output buffer circuits for reducing ground bounce noise
Patent number
5,268,868
Issue date
Dec 7, 1993
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor integrated circuit device having a plurality of memor...
Patent number
5,208,782
Issue date
May 4, 1993
Hitachi, Ltd.
Toshiyuki Sakuta
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor memory device
Patent number
5,043,947
Issue date
Aug 27, 1991
Hitachi, Ltd.
Kazuyoshi Oshima
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory
Patent number
5,018,101
Issue date
May 21, 1991
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory
Patent number
4,956,811
Issue date
Sep 11, 1990
Hitachi, Ltd.
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor memory device
Patent number
4,941,129
Issue date
Jul 10, 1990
Hitachi, Ltd.
Kazuyoshi Oshima
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor memory device and defect remedying method thereof
Publication number
20080205111
Publication date
Aug 28, 2008
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor memory device and defect remedying method thereof
Publication number
20070242535
Publication date
Oct 18, 2007
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor memory device and defect remedying method thereof
Publication number
20060120125
Publication date
Jun 8, 2006
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor memory device and defect remedying method thereof
Publication number
20050179058
Publication date
Aug 18, 2005
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor memory device and defect remedying method thereof
Publication number
20040240259
Publication date
Dec 2, 2004
Kazuhiko Kajigaya
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor device formed in a rectangle region on a semiconducto...
Publication number
20030031058
Publication date
Feb 13, 2003
Kazuhiko Kajigaya
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor memory device and defect remedying method thereof
Publication number
20020054514
Publication date
May 9, 2002
Kazuhiko Kajigaya
H01 - BASIC ELECTRIC ELEMENTS