Inventor · disambiguated record
Han-Ping Cheng
Also filed as: CHENG HAN · CHENG HAN-PING
28 granted patents·10 pending applications·16 citations·filing 2006–2020
93Inventor score
Top patents by PatentIndex Score
38 records- 0180US10055011B2Interactive system, handheld device remote controller and operating method thereofPIXART IMAGING INC·Filed 2016·Granted Aug 21, 2018·3 cites·10 claims
- 0278US10379627B2Handheld device and positioning method thereofPIXART IMAGING INC·Filed 2017·Granted Aug 13, 2019·2 cites·20 claims
- 0372US8054328B2Video phone communication system and method thereforINVENTEC MULTIMEDIA & TELECOM·Filed 2006·Granted Nov 8, 2011·6 cites·13 claims
- 0470US9804689B2Handheld pointer device and pointer positioning method thereofPIXART IMAGING INC·Filed 2014·Granted Oct 31, 2017·2 cites·40 claims
- 0569US10884518B2Gesture detection device for detecting hovering and clickPIXART IMAGING INC·Filed 2020·Granted Jan 5, 2021·0 cites·15 claims
- 0668US9304607B2Pointer positioning method of handheld pointer devicePIXART IMAGING INC·Filed 2014·Granted Apr 5, 2016·2 cites·31 claims
- 0767US10592011B2Gesture detection device for detecting hovering and clickPIXART IMAGING INC·Filed 2019·Granted Mar 17, 2020·0 cites·19 claims
- 0866US10416792B2Gesture detection device for detecting hovering and clickPIXART IMAGING INC·Filed 2019·Granted Sep 17, 2019·0 cites·20 claims
- 0962US10296111B2Gesture detection device for detecting hovering and clickPIXART IMAGING INC·Filed 2017·Granted May 21, 2019·0 cites·21 claims
- 1062US8884904B2Touch panel apparatus, system and operation method thereofSU TZUNG-MIN·Filed 2012·Granted Nov 11, 2014·1 cites·35 claims
- 1158US10534426B2Interactive system, remote controller and operating method thereofPIXART IMAGING INC·Filed 2018·Granted Jan 14, 2020·0 cites·14 claims
- 1258US9524037B2Gesture detection device for detecting hovering and clickPIXART IMAGING INC·Filed 2014·Granted Dec 20, 2016·0 cites·13 claims
- 1357US2016216886A1Gesture detection device for detecting hovering and clickPIXART IMAGING INC·Filed 2016·Application pending·0 cites
- 1455US9092063B2Electronic systemPIXART IMAGING INC·Filed 2013·Granted Jul 28, 2015·0 cites·16 claims
- 1552US9519380B2Handwriting systems and operation methods thereofPIXART IMAGING INC·Filed 2015·Granted Dec 13, 2016·0 cites·11 claims
- 1652US9459140B2Optical detecting device and related method of adjusting synchronizationPIXART IMAGING INC·Filed 2014·Granted Oct 4, 2016·0 cites·30 claims
- 1751US9104249B2Electronic system with pointing device and method thereofPIXART IMAGING INC·Filed 2013·Granted Aug 11, 2015·0 cites·30 claims
- 1851US2013162592A1Handwriting Systems and Operation Methods ThereofPIXART IMAGING INC·Filed 2012·Application pending·0 cites
- 1950US9234756B2Object tracking device capable of removing background noise and operating method thereofPIXART IMAGING INC·Filed 2013·Granted Jan 12, 2016·0 cites·14 claims
- 2050US9200894B2Film and light guide having material which can provide position information and distributed thereon on, and position detecting system utilizing the film or the light guidePIXART IMAGING INC·Filed 2013·Granted Dec 1, 2015·0 cites·25 claims
- 2149US9423893B2Gesture detection device for detecting hovering and clickPIXART IMAGING INC·Filed 2014·Granted Aug 23, 2016·0 cites·15 claims
- 2249US9207809B2Optical touch system and optical touch control methodPIXART IMAGING INC·Filed 2013·Granted Dec 8, 2015·0 cites·15 claims
- 2349US9134812B2Image positioning method and interactive imaging system using the samePIXART IMAGING INC·Filed 2013·Granted Sep 15, 2015·0 cites·13 claims
- 2448US2015286282A1Electronic systemPIXART IMAGING INC·Filed 2015·Application pending·0 cites
- 2547US10114473B2Interactive system and remote devicePIXART IMAGING INC·Filed 2013·Granted Oct 30, 2018·0 cites·14 claims
- 2647US10067576B2Handheld pointer device and tilt angle adjustment method thereofPIXART IMAGING INC·Filed 2014·Granted Sep 4, 2018·0 cites·24 claims
- 2747US9007346B2Handwriting system and sensing method thereofPIXART IMAGING INC·Filed 2012·Granted Apr 14, 2015·0 cites·32 claims
- 2846US2015153904A1Processing method of object image for optical touch systemPIXART IMAGING INC·Filed 2014·Application pending·0 cites
- 2945US9933863B2Optical object recognition systemPIXART IMAGING INC·Filed 2013·Granted Apr 3, 2018·0 cites·16 claims
- 3044US9489077B2Optical touch panel system, optical sensing module, and operation method thereofSU TZUNG-MIN·Filed 2012·Granted Nov 8, 2016·0 cites·21 claims
- 3144US2013328772A1Handheld Pointing DevicePIXART IMAGING INC·Filed 2013·Application pending·0 cites
- 3240US2013099109A1Image reading device and image reading systemKAO MING-TSAN·Filed 2012·Application pending·0 cites
- 3339US9285451B2Light source determining apparatus, light source determining method and optical tracking apparatusLIANG CHIA-CHEUN·Filed 2012·Granted Mar 15, 2016·0 cites·25 claims
- 3437US9275610B2Object tracking apparatus and control method thereofYANG WEN-YU·Filed 2013·Granted Mar 1, 2016·0 cites·14 claims
- 3536US2016202775A1Relative location determining method, display controlling method and system applying the methodPIXART IMAGING INC·Filed 2015·Application pending·0 cites
- 3634US2015253934A1Object detection method and calibration apparatus of optical touch systemPIXART IMAGING INC·Filed 2015·Application pending·0 cites
- 3733US2019340503A1Search system for providing free-text problem-solution searchingEBAY INC·Filed 2018·Application pending·0 cites
- 3831US2018357321A1Sequentialized behavior based user guidanceEBAY INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →