Inventor · disambiguated record
Yung-Fa Cheng
Also filed as: CHENG YUNG-FA
27 granted patents·12 pending applications·367 citations·filing 1992–2021
96Inventor score
Files withCHENG YUNG-FA10QUANTA COMP INC9HON HAI PREC IND CO LTD5DELL PRODUCTS LP4FOXCONN TECH CO LTD1
Top patents by PatentIndex Score
39 records- 0197US10928863B2Portable information handling system midframe to sliding frame assemblyDELL PRODUCTS LP·Filed 2019·Granted Feb 23, 2021·18 cites·3 claims
- 0296US10817030B2Portable information handling system flexible display with alternating slide support frameDELL PRODUCTS LP·Filed 2019·Granted Oct 27, 2020·20 cites·12 claims
- 0395US11435786B2Portable information handling system flexible display with alternating slide support frameDELL PRODUCTS LP·Filed 2020·Granted Sep 6, 2022·4 cites·6 claims
- 0491US8295039B2Electronic deviceCHENG YUNG-FA·Filed 2010·Granted Oct 23, 2012·21 cites·14 claims
- 0587USD621827SPortable electronic deviceHON HAI PREC IND CO LTD·Filed 2009·Granted Aug 17, 2010·37 cites·1 claims
- 0685US7328050B2Mobile communication deviceQUANTA COMP INC·Filed 2005·Granted Feb 5, 2008·13 cites·2 claims
- 0784USD338041SDesk organizerCHENG YUNG-FA·Filed 1992·Granted Aug 3, 1993·26 cites·1 claims
- 0882US6768523B2Slidably detachable mobile phone display unitQUANTA COMP INC·Filed 2001·Granted Jul 27, 2004·28 cites·16 claims
- 0977US8228673B2Electronic deviceCHENG YUNG-FA·Filed 2010·Granted Jul 24, 2012·5 cites·17 claims
- 1077US5729478ANotebook computer with insertable expansion devicesFiled 1995·Granted Mar 17, 1998·82 cites·2 claims
- 1174US6934518B2Mobile phone with a hidden input deviceQUANTA COMP INC·Filed 2002·Granted Aug 23, 2005·16 cites·8 claims
- 1272USD621829SPortable electronic deviceHON HAI PREC IND CO LTD·Filed 2009·Granted Aug 17, 2010·17 cites·1 claims
- 1372US7656659B2Notebook computer with thermal moduleFU ZHUN PRECISION IND SHENZHEN·Filed 2008·Granted Feb 2, 2010·5 cites·20 claims
- 1468US6975890B2Mobile phoneQUANTA COMP INC·Filed 2002·Granted Dec 13, 2005·10 cites·3 claims
- 1567US7228111B2Keypad structureQUANTA COMP INC·Filed 2002·Granted Jun 5, 2007·9 cites·20 claims
- 1666US11733740B2Portable information handling system midframe to sliding frame assemblyDELL PRODUCTS LP·Filed 2021·Granted Aug 22, 2023·0 cites·5 claims
- 1766US6744481B2LCD having display capability on both sidesQUANTA COMP INC·Filed 2002·Granted Jun 1, 2004·9 cites·4 claims
- 1864US8411055B2Portable electronic deviceCHENG YUNG-FA·Filed 2010·Granted Apr 2, 2013·2 cites·6 claims
- 1962US7701717B2Notebook computer having heat pipeFOXCONN TECH CO LTD·Filed 2008·Granted Apr 20, 2010·2 cites·8 claims
- 2059US2006160586A1Changeable mobile phone leather coverCHENG YUNG-FA·Filed 2005·Application pending·0 cites
- 2158US7031760B2Housing of electronic productQUANTA COMP INC·Filed 2003·Granted Apr 18, 2006·3 cites·14 claims
- 2257US7767922B2Key moduleHON HAI PREC IND CO LTD·Filed 2008·Granted Aug 3, 2010·2 cites·10 claims
- 2352US8143537B2KeyboardCHENG YUNG-FA·Filed 2009·Granted Mar 27, 2012·0 cites·15 claims
- 2452US7822445B2Hand held apparatus and flip device thereofQUANTA COMP INC·Filed 2006·Granted Oct 26, 2010·0 cites·14 claims
- 2551US6999801B2Base-detachable hinge structure for mobile phoneQUANTA COMP INC·Filed 2001·Granted Feb 14, 2006·7 cites·6 claims
- 2648USD621828SPortable electronic deviceHON HAI PREC IND CO LTD·Filed 2009·Granted Aug 17, 2010·6 cites·1 claims
- 2748USD621826SPortable electronic deviceHON HAI PREC IND CO LTD·Filed 2009·Granted Aug 17, 2010·6 cites·1 claims
- 2846US5627728AExpansion box for notebook computersFiled 1995·Granted May 6, 1997·19 cites·4 claims
- 2946US2008239726A1LED projection lamp for stage useCHENG YUNG-FA·Filed 2007·Application pending·0 cites
- 3046US2015047152A1Hinge assemblyI3G DESIGN CO LTD·Filed 2014·Application pending·0 cites
- 3146US2003235297A1Mobile phone with detachable coversFiled 2002·Application pending·0 cites
- 3245US2003211834A1Mobile phoneFiled 2002·Application pending·0 cites
- 3345US2004203514A1Mobile phone with detachable coversFiled 2002·Application pending·0 cites
- 3444US2006066740A1Mobile phone with complete English keyboardCHENG YUNG-FA·Filed 2005·Application pending·0 cites
- 3543US2006099837A1Metal mobile phone caseCHENG YUNG-FA·Filed 2005·Application pending·0 cites
- 3640US2003199289A1Mobile phone with an SIM card being installed between a keypad supporting plate and a circuit boardFiled 2002·Application pending·0 cites
- 3739US2006159506A1Keypad module manufacturing methodCHENG YUNG-FA·Filed 2005·Application pending·0 cites
- 3835US2004004602A1On-screen keyboardFiled 2002·Application pending·0 cites
- 3935US2004204009A1Mobile phone with electromagnetic radiation reduction structureFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →