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Tsugio Nakamura
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Nagareyama, JP
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Patents Grants
last 30 patents
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Patent Grant
N-digit subtraction unit, N-digit subtraction module, N-digit addit...
Patent number
8,606,842
Issue date
Dec 10, 2013
Tokyo Denki University
Hiroshi Kasahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing system, encryption/decryption system, system...
Patent number
7,117,237
Issue date
Oct 3, 2006
Seiko Epson Corporation
Kazuhiko Amano
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing system, enciphering/deciphering system, syst...
Patent number
6,557,020
Issue date
Apr 29, 2003
Seiko Epson Corporation
Kazuhiko Amano
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
N-digit subtraction unit, N-digit subtraction module, N-digit addit...
Publication number
20090313315
Publication date
Dec 17, 2009
Hiroshi Kasahara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information processing system, encryption/decryption system, system...
Publication number
20030147530
Publication date
Aug 7, 2003
Kazuhiko Amano
G06 - COMPUTING CALCULATING COUNTING