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Masahito Takahashi
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Kodaira, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor device and manufacturing method of the same
Patent number
7,084,477
Issue date
Aug 1, 2006
Hitachi, Ltd.
Norio Ishitsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing semiconductor memory device and semiconduct...
Patent number
6,787,411
Issue date
Sep 7, 2004
Renesas Technology Corp.
Teruaki Kisu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and a integrated circuit card
Patent number
6,714,447
Issue date
Mar 30, 2004
Renesas Technology Corporation
Akihiko Satoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory device and a method of manufacturi...
Patent number
6,646,303
Issue date
Nov 11, 2003
Hitachi, Ltd.
Akihiko Satoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor memory device with MIS transistors
Patent number
6,501,116
Issue date
Dec 31, 2002
Hitachi, Ltd.
Teruaki Kisu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
method for forming capacitors and field effect transistors in a sem...
Patent number
6,423,584
Issue date
Jul 23, 2002
Hitachi, Ltd.
Masahito Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor integrated circuit device
Patent number
6,420,754
Issue date
Jul 16, 2002
Hitachi, Ltd.
Masahito Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Batch erasable single chip nonvolatile memory device and erasing me...
Patent number
5,898,621
Issue date
Apr 27, 1999
Hitachi, Ltd.
Masahito Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Batch erasable nonvolatile memory device and erasing method
Patent number
5,677,868
Issue date
Oct 14, 1997
Hitachi, Ltd.
Masahito Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Batch erasable nonvolatile memory device and erasing method
Patent number
5,598,368
Issue date
Jan 28, 1997
Hitachi, Ltd.
Masahito Takahashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Nonvolatile semiconductor memory with selectively driven word lines
Patent number
5,455,789
Issue date
Oct 3, 1995
Hitachi, Ltd.
Takeshi Nakamura
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor device and manufacturing method of the same
Publication number
20060214254
Publication date
Sep 28, 2006
Norio Ishitsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and manufacturing method of the same
Publication number
20040058499
Publication date
Mar 25, 2004
Norio Ishitsuka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing semiconductor memory device and semiconduct...
Publication number
20030129001
Publication date
Jul 10, 2003
Teruaki Kisu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Nonvolatile semiconductor memory device and a method of manufacturi...
Publication number
20020158273
Publication date
Oct 31, 2002
Hitachi, Ltd.
Akihiko Satoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor device and a integrated circuit card
Publication number
20020141240
Publication date
Oct 3, 2002
Akihiko Satoh
G11 - INFORMATION STORAGE
Information
Patent Application
Method of manufacturing semiconductor memory device and semiconduct...
Publication number
20020098639
Publication date
Jul 25, 2002
Teruaki Kisu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and a method of manufacturi...
Publication number
20010024859
Publication date
Sep 27, 2001
Masahito Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor integrated circuit device and a method of manufacturi...
Publication number
20010020718
Publication date
Sep 13, 2001
Masahito Takahashi
H01 - BASIC ELECTRIC ELEMENTS