Ghun-Up Cha

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Digital data file encryption apparatus and method and recording med...
- Patent number RE42171
- Issue date Feb 22, 2011
- LG Electronics Inc.
- Ghun-Up Cha
- 726 - Information security
Information Patent Grant
Digital data file encryption apparatus and method and recording med...
- Patent number RE42106
- Issue date Feb 1, 2011
- LG Electronics Inc.
- Ghun-Up Cha
- 726 - Information security
Information Patent Grant
Digital data file encryption apparatus and method and recording med...
- Patent number RE42107
- Issue date Feb 1, 2011
- LG Electronics Inc.
- Ghun-Up Cha
- 726 - Information security
Information Patent Grant
Digital data file encryption apparatus and method and recording med...
- Patent number RE41942
- Issue date Nov 16, 2010
- LG Electronics Inc.
- Ghun-Up Cha
- 726 - Information security
Information Patent Grant
Digital data file encryption apparatus and method and recording med...
- Patent number 7,130,426
- Issue date Oct 31, 2006
- LG Electronics Inc.
- Ghun-Up Cha
- G11 - INFORMATION STORAGE