Assignee
CHANG WEN-HAN
4 granted patents·6 pending applications·218 citations·filing 2004–2021
Top patents by PatentIndex Score
10 records- 0192US7356362B2Headset structure with built-in audio sourceCHANG WEN-HAN·Filed 2005·Granted Apr 8, 2008·152 cites·2 claims
- 0291US7607603B1Single-pull power and signal cable reelCHANG WEN-HAN·Filed 2008·Granted Oct 27, 2009·16 cites·2 claims
- 0384US7222811B2Positioning device of a dual direction cable reelCHANG WEN-HAN·Filed 2004·Granted May 29, 2007·22 cites·1 claims
- 0470US7222812B2Positioning shaft of a dual direction cable reelCHANG WEN-HAN·Filed 2004·Granted May 29, 2007·28 cites·1 claims
- 0551US2022044827A1Biological infection detection method, biological infection detection and personnel control method and biological infection response systemCHANG WEN HAN·Filed 2021·Application pending·0 cites
- 0644US2009050727A1Positioning rod structure for a reelCHANG WEN-HAN·Filed 2007·Application pending·0 cites
- 0741US2009050099A1Positioning peg structure of a single-pull reelCHANG WEN-HAN·Filed 2007·Application pending·0 cites
- 0840US2007086613A1Multi-media loudspeaker capable of receiving and transmitting voice via the internetCHANG WEN-HAN·Filed 2005·Application pending·0 cites
- 0938US2011254766A1Computer mouse cable reel stowage deviceCHANG WEN-HAN·Filed 2010·Application pending·0 cites
- 1037US2007080943A1Computer mouse capable of receiving and transmitting voice via the InternetCHANG WEN-HAN·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →