Donghwan Jang

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Kyunggi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Uninterruptible power supply for the backup of AC-power supply
- Patent number 7,259,475
- Issue date Aug 21, 2007
- Eppscore Co., Ltd.
- Myoung-shin Hong
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Uninterruptible Power Supply for the Back up of Dc Power Source
- Publication number 20080191556
- Publication date Aug 14, 2008
- EPPSCORE CO., LTD.
- Myoungshin Hong
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Uninterruptible power supply for the back up of ac-power supply
- Publication number 20060170289
- Publication date Aug 3, 2006
- Myoung-shin Hong
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC