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Inventor

OUYANG CHIEH

TW4 patents
⚠️ This page may combine multiple inventors who share the name “OUYANG CHIEH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OUYANG CHIEH

3 patents
US8297756B2Oct 30, 2012

Illumination device

OUYANG CHIEH9 citations80
US7785403B2Aug 31, 2010

Air purifier

OUYANG CHIEH15 citations80
US7530706B2May 12, 2009

LED lighting apparatus with fast changing focus

OUYANG CHIEH6 citations59

(unassigned)

1 patent
US6637577B2Oct 28, 2003

Banknote scope

6 citations49