Inventor
CHANG CHI-YUAN
TW12 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHI-YUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHANG CHI-YUAN
5 patentsUS9839260B1Dec 12, 2017
Pneumatic insole
CHANG CHI-YUAN15 citations82
US9731886B2Aug 15, 2017
Waterproof enclosure for electronic device
CHANG CHI-YUAN10 citations82
US9571147B1Feb 14, 2017
Portable storage buckling unit
CHANG CHI-YUAN7 citations82
US9155368B2Oct 13, 2015
Waterproof protection pouch for mobile devices
CHANG CHI-YUAN14 citations82
US7950909B2May 31, 2011
Pump structure connectable with an air cushion or a bladder
CHANG CHI-YUAN12 citations82