Assignee
TWINHEAD INT CORP
TW·15 granted patents·3 pending applications·278 citations·filing 1999–2013
Top patents by PatentIndex Score
18 records- 0189US6802016B2User proximity sensor and signal processing circuitry for determining whether to power a computer on or offTWINHEAD INT CORP·Filed 2001·Granted Oct 5, 2004·77 cites·29 claims
- 0272US6252768B1Shock-absorbing device for notebook computer moduleTWINHEAD INT CORP·Filed 1999·Granted Jun 26, 2001·64 cites·8 claims
- 0371US6906901B1Cooling apparatus for integrated circuitTWINHEAD INT CORP·Filed 1999·Granted Jun 14, 2005·44 cites·41 claims
- 0470US8036399B2Audio output apparatus capable of suppressing pop noiseTWINHEAD INT CORP·Filed 2008·Granted Oct 11, 2011·10 cites·9 claims
- 0569US7851710B2Waterproof and dustproof structureTWINHEAD INT CORP·Filed 2007·Granted Dec 14, 2010·4 cites·12 claims
- 0664US7580256B2Hook structureTWINHEAD INT CORP·Filed 2007·Granted Aug 25, 2009·3 cites·7 claims
- 0758US7262963B2Water-and-dust proof structure for a notebook computer heat sinkTWINHEAD INT CORP·Filed 2006·Granted Aug 28, 2007·6 cites·1 claims
- 0857US6965208B2Motor speed detecting device for use between motor and systemTWINHEAD INT CORP·Filed 2003·Granted Nov 15, 2005·14 cites·16 claims
- 0955US6424522B1Structure and circuit of input/output port bar to connect computer peripheralTWINHEAD INT CORP·Filed 2000·Granted Jul 23, 2002·22 cites·12 claims
- 1053US7765390B2Activation systemTWINHEAD INT CORP·Filed 2007·Granted Jul 27, 2010·4 cites·16 claims
- 1150US9155366B2Portable electronic device setTWINHEAD INT CORP·Filed 2013·Granted Oct 13, 2015·1 cites·13 claims
- 1249US9339101B2Fixation moduleTWINHEAD INT CORP·Filed 2013·Granted May 17, 2016·1 cites·11 claims
- 1344US8902608B2Securing deviceTWINHEAD INT CORP·Filed 2013·Granted Dec 2, 2014·2 cites·10 claims
- 1443US2008144540A1Network switching apparatus and network switching method for computer systemTWINHEAD INT CORP·Filed 2007·Application pending·0 cites
- 1541US6259589B1Protection apparatus applied to a telephone lineTWINHEAD INT CORP·Filed 1999·Granted Jul 10, 2001·18 cites·11 claims
- 1635US2002008498A1Charge circuitTWINHEAD INT CORP·Filed 2000·Application pending·0 cites
- 1734US6275950B1Adjustable PCI asynchronous clock deviceTWINHEAD INT CORP·Filed 1999·Granted Aug 14, 2001·8 cites·2 claims
- 1834US2006256079A1Notebook computer input equipment having waterproof and dustproof structureTWINHEAD INT CORP·Filed 2006·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →