Inventor

LEE BYUNG BAG

KR2 patents

Patents

2 patents

US9575459B2Feb 21, 2017

Toner recycling device for image forming apparatus

SINDOH CO LTD2 citations67

US9862178B2Jan 9, 2018

Apparatus for feeding/discharging filament for 3D printer

SINDOH CO LTD2 citations65