Seongwon Park

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Portable multimedia playback apparatus, portable media playback sys...
- Patent number 9,148,502
- Issue date Sep 29, 2015
- LG Electronics Inc.
- Kyungdong Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE MULTIMEDIA PLAYBACK APPARATUS, PORTABLE MULTIMEDIA PLAYBAC...
- Publication number 20110269506
- Publication date Nov 3, 2011
- Kyungdong CHOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE