Inventor · disambiguated record
Ching-Wei Chang
Also filed as: CHANG CHING-WEI
77 granted patents·20 pending applications·324 citations·filing 2000–2025
99Inventor score
Top patents by PatentIndex Score
97 records- 0197US11349544B2System and method for dynamic dual transmit diversity switching for a multi-radio-access-technology deviceDELL PRODUCTS LP·Filed 2020·Granted May 31, 2022·6 cites·18 claims
- 0297US10606323B1Information handling system touchpad with integrated wireless antennaDELL PRODUCTS LP·Filed 2018·Granted Mar 31, 2020·34 cites·19 claims
- 0396US11211964B1Multi-rat dynamic transmit power boost using an antenna front end moduleDELL PRODUCTS LP·Filed 2020·Granted Dec 28, 2021·9 cites·20 claims
- 0496US10312976B2Method and apparatus for optimizing configurations for transceiving up to ten data streams via four antennasDELL PRODUCTS LP·Filed 2017·Granted Jun 4, 2019·21 cites·20 claims
- 0594US9723434B1Information handling system proximity sensingDELL PRODUCTS LP·Filed 2016·Granted Aug 1, 2017·19 cites·18 claims
- 0693US10148304B2Broadband intelligent antenna system (BIAS)DELL PRODUCTS LP·Filed 2017·Granted Dec 4, 2018·24 cites·20 claims
- 0792US11983049B2Information handling system antenna isolation with integrated cooling fanDELL PRODUCTS LP·Filed 2022·Granted May 14, 2024·2 cites·5 claims
- 0890US12206164B2Method and apparatus for a converged 5G FR1 and FR2 antennaDELL PRODUCTS LP·Filed 2021·Granted Jan 21, 2025·2 cites·20 claims
- 0990US11678275B2Integrated multiple radio access technology antenna control, configuration, and management system and methodDELL PRODUCTS LP·Filed 2021·Granted Jun 13, 2023·2 cites·20 claims
- 1088US11513568B2Information handling system antenna isolation with integrated cooling fanDELL PRODUCTS LP·Filed 2020·Granted Nov 29, 2022·2 cites·7 claims
- 1187US11335994B2System and method for dynamic multi-transmit antenna and proximity sensor reconfiguration for a multi-radio-access-technology multi-mode deviceDELL PRODUCTS LP·Filed 2020·Granted May 17, 2022·2 cites·20 claims
- 1287US10218403B2System and method for a modular dynamic wireless power control system in a convertible information handling systemDELL PRODUCTS LP·Filed 2017·Granted Feb 26, 2019·6 cites·20 claims
- 1387US10128924B2Proximity activated antenna switch system and method thereforDELL PRODUCTS LP·Filed 2014·Granted Nov 13, 2018·9 cites·20 claims
- 1487US6512734B1Adjusting mechanism of the guide rod of optical pick-up in an optical disk driveFiled 2000·Granted Jan 28, 2003·25 cites·9 claims
- 1586US7286267B2Method for rendering an image comprising multi-level pixelsSHARP LAB OF AMERICA INC·Filed 2006·Granted Oct 23, 2007·8 cites·13 claims
- 1685US10271260B2Dynamic antenna configuration on systems with spare antennasDELL PRODUCTS LP·Filed 2017·Granted Apr 23, 2019·5 cites·20 claims
- 1784US11602668B2System and method for motion analysisIMOTEK INC·Filed 2018·Granted Mar 14, 2023·5 cites·10 claims
- 1884US11500480B2Computer input deviceACCO BRANDS CORP·Filed 2021·Granted Nov 15, 2022·1 cites·20 claims
- 1984US9935361B2Mirrored antenna system and method for beam steering for SAR mitigationDELL PRODUCTS LP·Filed 2016·Granted Apr 3, 2018·5 cites·20 claims
- 2082US12197269B2System and method for multi-function touchpad for human proximity sensingDELL PRODUCTS LP·Filed 2022·Granted Jan 14, 2025·1 cites·20 claims
- 2181US10852782B2Information handling system antenna isolation with integrated cooling fanDELL PRODUCTS LP·Filed 2018·Granted Dec 1, 2020·2 cites·7 claims
- 2281US10348346B2System and method for operating a unified antenna front end moduleDELL PRODUCTS LP·Filed 2017·Granted Jul 9, 2019·4 cites·20 claims
- 2381US8284467B2Intelligent toner saving for color copyingPATTON RONNIE NEIL·Filed 2007·Granted Oct 9, 2012·8 cites·3 claims
- 2480US8320694B2Surround error diffusionCHANG CHING-WEI·Filed 2009·Granted Nov 27, 2012·6 cites·11 claims
- 2580US8274705B2Multi-level surround error diffusionCHANG CHING-WEI·Filed 2009·Granted Sep 25, 2012·6 cites·11 claims
- 2679US10855322B2Information handling system radio transmit power managementDELL PRODUCTS LP·Filed 2018·Granted Dec 1, 2020·2 cites·20 claims
- 2778US8774716B2Mobile terminal extension caseCHAN CHING-CHIH·Filed 2012·Granted Jul 8, 2014·12 cites·10 claims
- 2877US11428740B2Information handling system capacitive sensing gauge and indicatorDELL PRODUCTS LP·Filed 2020·Granted Aug 30, 2022·1 cites·20 claims
- 2975US12506262B2Proximity sensing using an antenna front end moduleDELL PRODUCTS LP·Filed 2023·Granted Dec 23, 2025·0 cites·20 claims
- 3075US11048347B2Computer input deviceACCO BRANDS CORP·Filed 2019·Granted Jun 29, 2021·1 cites·19 claims
- 3175US10938451B2Method and apparatus for operating an antenna co-existence controllerDELL PRODUCTS LP·Filed 2017·Granted Mar 2, 2021·2 cites·20 claims
- 3275US7911646B2Multilevel halftoning for tint graphic, line art and text renderingSHARP LAB OF AMERICA INC·Filed 2008·Granted Mar 22, 2011·4 cites·20 claims
- 3374US11601171B2Unified antenna system and method supporting 4G and 5G modems in same deviceDELL PRODUCTS LP·Filed 2022·Granted Mar 7, 2023·0 cites·20 claims
- 3473US7262879B2Method for screening of halftone imagesSHARP LAB OF AMERICA INC·Filed 2001·Granted Aug 28, 2007·11 cites·17 claims
- 3572US11113851B2Correction of sharp-edge artifacts in differential phase contrast CT images and its improvement in automatic material identificationUNIV LELAND STANFORD JUNIOR·Filed 2019·Granted Sep 7, 2021·1 cites·18 claims
- 3671US11031688B2System and method for operating an antenna adaptation controller moduleDELL PRODUCTS LP·Filed 2017·Granted Jun 8, 2021·2 cites·20 claims
- 3771US10009056B1System and method for managing voltage supplied to transmitter enclosed within fully metallic chassis incorporating proximity sensing elementDELL PRODUCTS LP·Filed 2017·Granted Jun 26, 2018·2 cites·20 claims
- 3871US7835035B2Intelligent toner saving for color printingSHARP LAB OF AMERICA INC·Filed 2007·Granted Nov 16, 2010·3 cites·6 claims
- 3969US8059311B2Font and line art rendering for multi-bit output devicesCHANG CHING-WEI·Filed 2008·Granted Nov 15, 2011·2 cites·15 claims
- 4069US7061645B2Non-segmentation, individual pixel-by-pixel-based image rendering systemSHARP LAB OF AMERICA INC·Filed 2001·Granted Jun 13, 2006·8 cites·18 claims
- 4168US11832196B2Method and apparatus to support several models of a part or a plurality of parts under a single basic input and output system (BIOS)DELL PRODUCTS LP·Filed 2022·Granted Nov 28, 2023·0 cites·20 claims
- 4267US8907855B2Metal frame antenna for a displayAUDEN TECHNO CORP·Filed 2013·Granted Dec 9, 2014·2 cites·16 claims
- 4367US7352489B2Color error diffusion method for multi-level output deviceSHARP LAB OF AMERICA INC·Filed 2004·Granted Apr 1, 2008·7 cites·5 claims
- 4465US11469799B2Unified antenna system and method supporting 4G and 5G modems in same deviceDELL PRODUCTS LP·Filed 2020·Granted Oct 11, 2022·0 cites·13 claims
- 4565US7417771B2Error diffusion halftoning systemSHARP LAB OF AMERICA INC·Filed 2001·Granted Aug 26, 2008·6 cites·12 claims
- 4665US6977663B2Color error diffusion with color bleed controlSHARP LAB OF AMERICA INC·Filed 2004·Granted Dec 20, 2005·6 cites·10 claims
- 4764US10255876B2System and method for display auto-correction impedance mismatch controlDELL PRODUCTS LP·Filed 2016·Granted Apr 9, 2019·1 cites·20 claims
- 4864US7944585B2Color information encoding in monochrome printingSHARP LAB OF AMERICA INC·Filed 2007·Granted May 17, 2011·1 cites·20 claims
- 4963US2025364104A1Method to establish determination model and method to determine foot accessoryIMOTEK INC·Filed 2025·Application pending·0 cites
- 5062US11710899B2Proximity sensing using an antenna front end moduleDELL PRODUCTS LP·Filed 2020·Granted Jul 25, 2023·0 cites·20 claims
Showing the top 50 of 97 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Ching-Wei Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →