Inventor

CHANG CHI-AN

TW3 patents

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

(unassigned)

2 patents

US6695798B2Feb 24, 2004

Air cushion bed with massaging device

25 citations83

US6502259B2Jan 7, 2003

Air cushion bed with flushing device

5 citations53

DELTA ELECTRONICS INC

1 patent

US10110172B2Oct 23, 2018

Radio frequency amplifier system and heat dissipation device thereof

DELTA ELECTRONICS INC0 citations30