Sangsoo Oh

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Electronic money charging service system, electronic money charging...
- Patent number 9,501,770
- Issue date Nov 22, 2016
- SK PLANET CO., LTD.
- Wonjun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC MONEY CHARGING SERVICE SYSTEM, ELECTRONIC MONEY CHARGING...
- Publication number 20120036067
- Publication date Feb 9, 2012
- SK Telecom Co., Ltd.
- Wonjun Lee
- G06 - COMPUTING CALCULATING COUNTING