Choul Ho Choi

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Indoor position determination method and system based on WLAN signa...
- Patent number 9,055,451
- Issue date Jun 9, 2015
- KT Corporation
- Tong Sok Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
INDOOR POSITION DETERMINATION METHOD AND SYSTEM BASED ON WLAN SIGNA...
- Publication number 20130003572
- Publication date Jan 3, 2013
- KT CORPORATION
- Tong Sok Kim
- G01 - MEASURING TESTING
Information Patent Application
MOBILE WEB MAP SERVICE SYSTEM AND TERMINAL PROVIDING MOBILE WEB MAP...
- Publication number 20120159357
- Publication date Jun 21, 2012
- KT CORPORATION
- Young Jae LIM
- G06 - COMPUTING CALCULATING COUNTING