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Kuroishi, JP
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last 30 patents
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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
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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