Dongju Chung

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Flushing, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Adaptable audio instruction system and method
- Patent number 9,031,494
- Issue date May 12, 2015
- Dongju Chung
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptable audio instruction system and method
- Patent number 9,002,258
- Issue date Apr 7, 2015
- Dongju Chung
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ADAPTABLE AUDIO INSTRUCTION SYSTEM AND METHOD
- Publication number 20150193450
- Publication date Jul 9, 2015
- Dongju Chung
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ADAPTABLE AUDIO INSTRUCTION SYSTEM AND METHOD
- Publication number 20120164617
- Publication date Jun 28, 2012
- Dongju Chung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ADAPTABLE AUDIO INSTRUCTION SYSTEM AND METHOD
- Publication number 20070189128
- Publication date Aug 16, 2007
- Dongju Chung
- G06 - COMPUTING CALCULATING COUNTING