Inventor

CHENG SHU-YUAN

TW3 patents

⚠️ This page may combine multiple inventors who share the name “CHENG SHU-YUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU CHUN-HSIN

2 patents

US8320602B2Nov 27, 2012

Adjustable earphone

LIU CHUN-HSIN9 citations81

US8837766B2Sep 16, 2014

Ear-loop earphone

LIU CHUN-HSIN4 citations69

CHENG CHI-HSIANG

1 patent

US8139781B2Mar 20, 2012

Bluetooth headset with a retractable structure

CHENG CHI-HSIANG12 citations79