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Sang-Joe Ra
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Seoul, KR
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last 30 patents
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Patent Grant
Single-chip data processing apparatus incorporating an electrically...
Patent number
6,839,774
Issue date
Jan 4, 2005
Samsung Electronics Co., Ltd.
Jong-Keun Ahn
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Data communication device and method of a smart card
Patent number
5,729,004
Issue date
Mar 17, 1998
Samsung Electronics Co., Ltd.
Jong-Chul Kim
G06 - COMPUTING CALCULATING COUNTING