Du Hyun Yoon

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for integrated control of ignition of firework...
- Patent number 11,808,556
- Issue date Nov 7, 2023
- Hanwha Corporation
- Bum Suck Moon
- F42 - AMMUNITION BLASTING
Information Patent Grant
Authenticating photo-shutter sound in mobile station
- Patent number 7,499,643
- Issue date Mar 3, 2009
- LG Electronics Inc.
- Du-Hyun Yoon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic answering telephone set with individual answering and met...
- Patent number 7,127,045
- Issue date Oct 24, 2006
- LG Information & Communications Ltd.
- Du Hyun Yoon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Background music play device and method thereof for mobile station
- Patent number 6,407,325
- Issue date Jun 18, 2002
- LG Electronics Inc.
- Sang Yong Yi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR INTEGRATED CONTROL OF IGNITION OF FIREWORK...
- Publication number 20230152068
- Publication date May 18, 2023
- Hanwha Corporation
- Bum Suck Moon
- G08 - SIGNALLING
Information Patent Application
Authenticating photo-shutter sound in mobile station
- Publication number 20060062563
- Publication date Mar 23, 2006
- LG Electronics Inc.
- Du-Hyun Yoon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Background music play device and method thereof for mobile station
- Publication number 20010039873
- Publication date Nov 15, 2001
- LG Electronics Inc.
- Sang Yong Yi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS