Cha Ryong Koo

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Songtan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for detecting sounds from a human body and dis...
- Patent number 6,339,719
- Issue date Jan 15, 2002
- Hitouch Inc.
- Myun Woo Lee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Multi-changer video cassette tape recorder
- Patent number 5,805,376
- Issue date Sep 8, 1998
- LG Electronics, Inc.
- Cha Ryong Koo
- G11 - INFORMATION STORAGE