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Kazuto Izawa
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Memory card and data rewriting method
Patent number
7,908,424
Issue date
Mar 15, 2011
Renesas Electronics Corporation
Atsushi Shikata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Nonvolatile semiconductor memory device with selective tow erasure
Patent number
5,315,547
Issue date
May 24, 1994
Hitachi, Ltd.
Kazuyoshi Shoji
G11 - INFORMATION STORAGE
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Patent Grant
Nonvolatile semiconductor memory device
Patent number
5,097,446
Issue date
Mar 17, 1992
Hitachi, Ltd.
Kazuyoshi Shoji
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Memory card and data rewriting method
Publication number
20070233956
Publication date
Oct 4, 2007
RENESAS TECHNOLOGY CORP.
Atsushi Shikata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Memory card and data rewriting method
Publication number
20040236909
Publication date
Nov 25, 2004
Atsushi Shikata
G06 - COMPUTING CALCULATING COUNTING