Inventor
YEN CHIH-HSU
TW12 patents
⚠️ This page may combine multiple inventors who share the name “YEN CHIH-HSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEMTEK TECHNOLOGY CO LTD
7 patentsUS10992143B2Apr 27, 2021
Power bank with a plurality of stacked battery modules
GEMTEK TECHNOLOGY CO LTD8 citations82
US10797495B2Oct 6, 2020
Power bank with a plurality of pluggable battery modules
GEMTEK TECHNOLOGY CO LTD2 citations71
US9930441B1Mar 27, 2018
Audio playing system
GEMTEK TECHNOLOGY CO LTD4 citations70
US9888334B1Feb 6, 2018
Audio playing system
GEMTEK TECHNOLOGY CO LTD3 citations70
US8920185B2Dec 30, 2014
Electronic device assembly structure
GEMTEK TECHNOLOGY CO LTD4 citations61
US10136241B1Nov 20, 2018
Audio playing system capable of automatically personally compensating
GEMTEK TECHNOLOGY CO LTD1 citations49
US10271155B2Apr 23, 2019
Audio playing system
GEMTEK TECHNOLOGY CO LTD0 citations39