Inventor

HSU HUAI-WEN

TW3 patents

Patents

3 patents

US7891658B2Feb 22, 2011

Paper feeder having a paper stopper and office machine using the same

QISDA CORP7 citations78

US7552994B2Jun 30, 2009

Print-head maintenance device for use in an inkjet printer

QISDA CORP7 citations66

US10609472B2Mar 31, 2020

Speaker module and projector

QISDA CORP1 citations56