Dukkyu Chun

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SeongNam-shi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Disconnection or reconnection of external device to or from a computer
- Patent number 8,760,407
- Issue date Jun 24, 2014
- Dukkyu Chun
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Disconnection or reconnection of external device
- Publication number 20130060977
- Publication date Mar 7, 2013
- Dukkyu Chun
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for safe disconnection of external devices fro...
- Publication number 20110227830
- Publication date Sep 22, 2011
- Dukkyu Chun
- G06 - COMPUTING CALCULATING COUNTING