Inventor · disambiguated record
Ching-Cheng Tsai
Also filed as: TSAI CHING CHENG
31 granted patents·10 pending applications·450 citations·filing 1993–2023
97Inventor score
Top patents by PatentIndex Score
41 records- 0196US8592702B2Illuminant keyboard deviceTSAI CHING-CHENG·Filed 2011·Granted Nov 26, 2013·61 cites·14 claims
- 0293US8222545B2KeyboardTSAI CHING-CHENG·Filed 2010·Granted Jul 17, 2012·14 cites·11 claims
- 0390US11657941B2Resonant energy stabilizerTSAI CHING CHENG·Filed 2021·Granted May 23, 2023·1 cites·6 claims
- 0486US8810438B2Membrane circuit board and keyboard having the sameTSAI CHING-CHENG·Filed 2011·Granted Aug 19, 2014·8 cites·14 claims
- 0586US7291037B2Flexible circuit boardCHICONY ELECTRONICS CO LTD·Filed 2006·Granted Nov 6, 2007·13 cites·8 claims
- 0683US5763842AKey switch arrangement for notebook computersCHICONY ELECTRONICS CO LTD·Filed 1996·Granted Jun 9, 1998·47 cites·7 claims
- 0783USD375088SKeyboardCHICONY ELECTRONICS CO LTD·Filed 1995·Granted Oct 29, 1996·26 cites·1 claims
- 0880US8870505B2Riveting assemblyCHICONY ELECTRONICS CO LTD·Filed 2012·Granted Oct 28, 2014·4 cites·9 claims
- 0977US5769210AScissors-type key switchCHICONY ELECTRONICS CO LTD·Filed 1997·Granted Jun 23, 1998·31 cites·5 claims
- 1073US6392176B1Keyswitch of keyboardCHICONY ELECTRONICS CO LTD·Filed 2001·Granted May 21, 2002·18 cites·5 claims
- 1172US7750261B2Waterproof keyboardCHICONY ELECTRONICS CO LTD·Filed 2008·Granted Jul 6, 2010·5 cites·10 claims
- 1272US6971807B2Waterproof keyboardCHICONY ELECTRONICS CO LTD·Filed 2003·Granted Dec 6, 2005·23 cites·14 claims
- 1372US6644874B2Keyboard with liquid-draining functionCHICONY ELECTRONICS CO LTD·Filed 2002·Granted Nov 11, 2003·17 cites·6 claims
- 1470US6252184B1Droplet proof keyboard for notebook computerCHICONY ELECTRONICS CO LTD·Filed 2000·Granted Jun 26, 2001·18 cites·2 claims
- 1569US5794762AKey switch structureCHICONY ELECTRONICS CO LTD·Filed 1997·Granted Aug 18, 1998·23 cites·3 claims
- 1666US10121613B2Keyswitch device, keyboard, and membrane circuit boardCHICONY ELECTRONICS CO LTD·Filed 2016·Granted Nov 6, 2018·1 cites·29 claims
- 1766US5496982AKey switchCHICONY ELECTRONICS CO LTD·Filed 1994·Granted Mar 5, 1996·18 cites·1 claims
- 1865US5770824AKey switch arrangement for notebook computersCHICONY ELECTRONICS CO LTD·Filed 1996·Granted Jun 23, 1998·23 cites·3 claims
- 1965US5760351ARubber cone layer of a keyboardCHICONY ELECTRONICS CO LTD·Filed 1996·Granted Jun 2, 1998·19 cites·2 claims
- 2062US8350172B2Illuminated keyboardCHICONY ELECTRONICS CO LTD·Filed 2010·Granted Jan 8, 2013·2 cites·17 claims
- 2160US6040540AKeyswitch structureCHICONY ELECTRONICS CO LTD·Filed 1999·Granted Mar 21, 2000·18 cites·8 claims
- 2259US7810961B2Energy-saving light-emitting moduleCHICONY ELECTRONICS CO LTD·Filed 2008·Granted Oct 12, 2010·2 cites·14 claims
- 2359US7045722B2Key structure of computer keyboardCHICONY ELECTRONICS CO LTD·Filed 2004·Granted May 16, 2006·8 cites·13 claims
- 2457US6056459ABalance device for keyCHICONY ELECTRONICS CO LTD·Filed 1999·Granted May 2, 2000·14 cites·8 claims
- 2553US6259434B1Tactually-activated structureCHICONY ELECTRONICS CO LTD·Filed 1999·Granted Jul 10, 2001·12 cites·2 claims
- 2651US12508441B2Quantum graphene generatorLI ZHI MIN·Filed 2023·Granted Dec 30, 2025·0 cites·5 claims
- 2749US2010111585A1Light-emitting keyboardCHICONY ELECTRONICS CO LTD·Filed 2009·Application pending·0 cites
- 2846USD361563SComputer keyboard with a curved top configurationCHICONY ELECTRONICS CO LTD·Filed 1993·Granted Aug 22, 1995·5 cites·1 claims
- 2946US2007095562A1Flexible circuit board with reinforcing boardCHICONY ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 3046US2010012474A1Structure having symbols printed thereon and method for implementing the sameCHICONY ELECTRONICS CO LTD·Filed 2009·Application pending·0 cites
- 3145US5428502AKeyboard frame assembly mounting hardware having hooks, bridge strips, and locating stub rodsCHICONY ELECTRONICS CO LTD·Filed 1993·Granted Jun 27, 1995·11 cites·3 claims
- 3244US2014133126A1Illuminant keyboard deviceCHICONY ELECTRONICS CO LTD·Filed 2012·Application pending·0 cites
- 3343US2011188966A1Fastening screw boltTSAI CHING-CHENG·Filed 2010·Application pending·0 cites
- 3440US9734966B2Membrane circuit board and light-emitting keyboard using the sameCHICONY ELECTRONICS CO LTD·Filed 2015·Granted Aug 15, 2017·0 cites·17 claims
- 3540US2013146435A1Key structure of a keyboardTSAI CHING-CHENG·Filed 2011·Application pending·0 cites
- 3640US2012222946A1Key Module, Keyboard and Electric DeviceTSAI CHING-CHENG·Filed 2011·Application pending·0 cites
- 3739US2012048704A1Keycap, keyboard with the same, jig for painting the sameTSAI CHING-CHENG·Filed 2010·Application pending·0 cites
- 3838US5899617AFlexible component reinforcing mechanismCHICONY ELECTRONICS CO LTD·Filed 1997·Granted May 4, 1999·5 cites·3 claims
- 3938US2011279377A1Illumination keyboardTSAI CHING-CHENG·Filed 2010·Application pending·0 cites
- 4038US2011297525A1Dustproof press key structureTSAI CHING-CHENG·Filed 2010·Application pending·0 cites
- 4131US6169255B1Flexible membrane circuit structure for keyswitchCHICONY ELECTRONICS CO LTD·Filed 1999·Granted Jan 2, 2001·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →