Assignee
TSAI HUO-LU
13 granted patents·9 pending applications·184 citations·filing 1990–2012
Top patents by PatentIndex Score
22 records- 0197US7057125B1Backlighting keyboardTSAI HUO-LU·Filed 2005·Granted Jun 6, 2006·48 cites·11 claims
- 0294US8247714B2Back lighted membrane keyboard with components being secured together by subjecting to ultrasonic weldingTSAI HUO-LU·Filed 2010·Granted Aug 21, 2012·22 cites·6 claims
- 0385USD399838SKeyboardTSAI HUO-LU·Filed 1997·Granted Oct 20, 1998·29 cites·1 claims
- 0476US6958458B1Key switch device having high drawabilityTSAI HUO-LU·Filed 2004·Granted Oct 25, 2005·19 cites·2 claims
- 0569US7897885B2Digitizer pen capable of utilizing solar powerTSAI HUO-LU·Filed 2007·Granted Mar 1, 2011·4 cites·18 claims
- 0666USD390549SKeyboardTSAI HUO-LU·Filed 1997·Granted Feb 10, 1998·13 cites·1 claims
- 0764USD389137SKeyboardTSAI HUO-LU·Filed 1996·Granted Jan 13, 1998·12 cites·1 claims
- 0860USD433682SWireless keyboardTSAI HUO-LU·Filed 1999·Granted Nov 14, 2000·10 cites·1 claims
- 0958US7301112B1Illuminating keyboardTSAI HUO-LU·Filed 2006·Granted Nov 27, 2007·2 cites·10 claims
- 1057US7304860B2Printed circuit board with thin film switches for a keyboardTSAI HUO-LU·Filed 2006·Granted Dec 4, 2007·2 cites·3 claims
- 1155US5020215AMethod of an apparatus for manufacturing a keyboardTSAI HUO LU·Filed 1990·Granted Jun 4, 1991·16 cites·5 claims
- 1251USD427596SMulti-media home computer terminalTSAI HUO-LU·Filed 1999·Granted Jul 4, 2000·7 cites·1 claims
- 1347US2006119569A1Wireless instruction device for a computer-based visual presentation systemTSAI HUO-LU·Filed 2004·Application pending·0 cites
- 1446US2009040185A1Antenna module for a display device that incorporates an electromagnetic digitizing tablet functionTSAI HUO-LU·Filed 2007·Application pending·0 cites
- 1545US7280369B2Multi-layer printed circuit board for a keyboardTSAI HUO-LU·Filed 2006·Granted Oct 9, 2007·0 cites·14 claims
- 1644US2007257882A1Magnetic induction cursor input systemTSAI HUO-LU·Filed 2006·Application pending·0 cites
- 1744US2007222757A1Display for statuses of keys on a wireless keyboardTSAI HUO-LU·Filed 2006·Application pending·0 cites
- 1843US2014132516A1Optical keyboardTSAI HUO-LU·Filed 2012·Application pending·0 cites
- 1942US2007163865A1Thin film circuit board of keyboardTSAI HUO-LU·Filed 2006·Application pending·0 cites
- 2042US2014014488A1Back lighted membrane keyboard with parts being secured together by subjecting to ultrasonic weldingTSAI HUO-LU·Filed 2012·Application pending·0 cites
- 2140US2011304547A1Planarized laser mouseTSAI HUO-LU·Filed 2010·Application pending·0 cites
- 2239US2011290628A1Membrane keyboard with parts being fixedly secured togetherTSAI HUO-LU·Filed 2010·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →