Hee Hwan Kwak

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Seongnam-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Liquid crystal display device and electronic pen system using same
- Patent number 9,588,602
- Issue date Mar 7, 2017
- PEN Generations Inc.
- Hee Hwan Kwak
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC PEN SYSTEM USING SAME
- Publication number 20150293614
- Publication date Oct 15, 2015
- PEN GENERATIONS INC.
- Hee Hwan Kwak
- G02 - OPTICS