Chong Wook KWON

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Separate billing system for BYOD service and separate billing metho...
- Patent number 9,402,001
- Issue date Jul 26, 2016
- NTELS Co., Ltd.
- Jae Hee Shim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SEPARATE BILLING SYSTEM FOR BYOD SERVICE AND SEPARATE BILLING METHO...
- Publication number 20140341083
- Publication date Nov 20, 2014
- NTELS CO., LTD.
- Jae Hee SHIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE