Inventor · disambiguated record
Chi-An Chang
Also filed as: CHANG CHI-AN
3 granted patents·1 pending application·30 citations·filing 2001–2016
65Inventor score
Files withDELTA ELECTRONICS INC1
Top patents by PatentIndex Score
4 records- 0169US6695798B2Air cushion bed with massaging deviceFiled 2001·Granted Feb 24, 2004·25 cites·14 claims
- 0239US6502259B2Air cushion bed with flushing deviceFiled 2001·Granted Jan 7, 2003·5 cites·20 claims
- 0337US2002125179A1Air cushion bed with water-draining deviceFiled 2001·Application pending·0 cites
- 0431US10110172B2Radio frequency amplifier system and heat dissipation device thereofDELTA ELECTRONICS INC·Filed 2016·Granted Oct 23, 2018·0 cites·17 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →