Assignee

CHOW SHING CHEUNG

HK·2 granted patents·8 citations·filing 2002–2005

Technology mixH01J1 H05B1 Y02B1

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2 records

0165US6815883B2Cold cathode fluorescent lamp with a double-tube constructionCHOW SHING CHEUNG·Filed 2002·Granted Nov 9, 2004·8 cites·13 claims
0240US7247997B2Electroluminescent lamp driving circuit and methodCHOW SHING CHEUNG·Filed 2005·Granted Jul 24, 2007·0 cites·12 claims

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