U.S. Patent No. 9,380,148 Screen Unlock
A screen unlocking method.
U.S. Patent No. 9,374,118 Sim Card structure
A drawer type SIM card structure that can be mounted in the interior of an electronic product.
U.S. Patent No. 9,100,746 Mobile Terminal Handwriting Pen
A mobile handwriting pen which is integrated with an earphone.