Inventor · disambiguated record
Chi-Hao Tang
Also filed as: TANG CHI-HAO
49 granted patents·2 pending applications·126 citations·filing 2010–2021
98Inventor score
Top patents by PatentIndex Score
51 records- 0195US8400423B2Method and device for analyzing positionsCHANG CHIN-FU·Filed 2011·Granted Mar 19, 2013·16 cites·20 claims
- 0294US8497851B2Method and device for analyzing positionsEGALAX EMPIA TECHNOLOGY INC·Filed 2013·Granted Jul 30, 2013·7 cites·20 claims
- 0393US8890821B2Method and device for dual-differential sensingCHANG CHIN-FU·Filed 2011·Granted Nov 18, 2014·9 cites·28 claims
- 0492US8570289B2Method and device for position detectionCHANG CHIN-FU·Filed 2010·Granted Oct 29, 2013·11 cites·17 claims
- 0591US8564564B2Method and device for position detectionCHANG CHIN-FU·Filed 2011·Granted Oct 22, 2013·11 cites·12 claims
- 0690US8970552B2Method and device for position detectionEgalax—Empia Technology Inc·Filed 2013·Granted Mar 3, 2015·8 cites·19 claims
- 0789US8400422B2Method and device for analyzing positionsCHANG CHIN-FU·Filed 2010·Granted Mar 19, 2013·7 cites·20 claims
- 0888US9483152B2Method and device for dual-differential sensingEGALAX_EMPIA TECH INC·Filed 2015·Granted Nov 1, 2016·3 cites·19 claims
- 0988US8600698B2Method and device for analyzing positionsCHANG CHIN-FU·Filed 2010·Granted Dec 3, 2013·6 cites·15 claims
- 1085US9798427B2Method and device for dual-differential sensingEGALAX_EMPIA TECH INC·Filed 2014·Granted Oct 24, 2017·2 cites·15 claims
- 1185US8896548B2Capacitive touch screen with method and device for converting sensing information including zero cross pointCHANG CHIN-FU·Filed 2010·Granted Nov 25, 2014·7 cites·16 claims
- 1285US8537131B2Method and device for converting sensing informationCHANG CHIN-FU·Filed 2011·Granted Sep 17, 2013·7 cites·16 claims
- 1382US8564557B2Device and method for parallel-scanning differential touch detectionCHANG CHIN-FU·Filed 2010·Granted Oct 22, 2013·3 cites·38 claims
- 1481US9977556B2Controller for position detectionEGALAX_EMPIA TECH INC·Filed 2017·Granted May 22, 2018·1 cites·12 claims
- 1581US9081441B2Method and device for analyzing two-dimension sensing informationCHANG CHIN-FU·Filed 2011·Granted Jul 14, 2015·4 cites·20 claims
- 1680US9268448B2Device and method for parallel-scanning differential touch detectionEgalax—Empia Technology Inc·Filed 2013·Granted Feb 23, 2016·2 cites·38 claims
- 1778US8842079B2Method and device for determining a touch or touchesCHANG CHIN-FU·Filed 2010·Granted Sep 23, 2014·2 cites·19 claims
- 1877US8941597B2Method and device for analyzing two-dimension sensing informationCHANG CHIN-FU·Filed 2010·Granted Jan 27, 2015·2 cites·21 claims
- 1977US8473243B2Method and device for analyzing positionsCHANG CHIN-FU·Filed 2011·Granted Jun 25, 2013·2 cites·20 claims
- 2077US8400425B2Method and device for analyzing positionsCHANG CHIN-FU·Filed 2011·Granted Mar 19, 2013·2 cites·20 claims
- 2176US8643613B2Method and device for dual-differential sensingCHANG CHIN-FU·Filed 2010·Granted Feb 4, 2014·3 cites·16 claims
- 2274US9141216B2Method and device for dual-differential sensingEgalax—Empia Technology Inc·Filed 2013·Granted Sep 22, 2015·2 cites·10 claims
- 2374US8471826B2Method and device for position detectionCHANG CHIN-FU·Filed 2011·Granted Jun 25, 2013·2 cites·29 claims
- 2472US8884914B2Method and device for signal detectionCHANG CHIN-FU·Filed 2011·Granted Nov 11, 2014·1 cites·14 claims
- 2571US8583401B2Method and device for analyzing positionsCHANG CHIN-FU·Filed 2011·Granted Nov 12, 2013·1 cites·20 claims
- 2670US8970551B2Method and device for position detectionEgalax—Empia Technology Inc·Filed 2013·Granted Mar 3, 2015·1 cites·16 claims
- 2769US10310693B2Controller for position detectionEGALAX_EMPIA TECH INC·Filed 2018·Granted Jun 4, 2019·0 cites·12 claims
- 2867US9304633B2Device and method for detecting touch screenEgalax—Empia Technology Inc·Filed 2012·Granted Apr 5, 2016·1 cites·18 claims
- 2967US8952928B2Device and method for detecting touch screenCHANG CHIN-FU·Filed 2012·Granted Feb 10, 2015·1 cites·20 claims
- 3066US11513636B2Method and apparatus for excluding line piece group corresponding to palmEGALAX_EMPIA TECH INC·Filed 2021·Granted Nov 29, 2022·0 cites·44 claims
- 3166US11449177B2Method and apparatus for determining whether palm line group needs to be dividedEGALAX_EMPIA TECH INC·Filed 2021·Granted Sep 20, 2022·0 cites·10 claims
- 3266US10061459B2Method and device for position detectionEGALAX_EMPIA TECH INC·Filed 2017·Granted Aug 28, 2018·0 cites·9 claims
- 3365US9606692B2Controller for position detectionEGALAX_EMPIA TECH INC·Filed 2016·Granted Mar 28, 2017·0 cites·12 claims
- 3464US8633917B2Method and device for capacitive position detectionCHANG CHIN-FU·Filed 2011·Granted Jan 21, 2014·1 cites·8 claims
- 3564US8587555B2Method and device for capacitive position detectionCHANG CHIN-FU·Filed 2010·Granted Nov 19, 2013·1 cites·21 claims
- 3662US9285940B2Method and device for position detectionEgalax—Empia Technology Inc·Filed 2015·Granted Mar 15, 2016·0 cites·12 claims
- 3761US10101372B2Method and device for analyzing positionsEGALAX_EMPIA TECH INC·Filed 2013·Granted Oct 16, 2018·0 cites·11 claims
- 3858US8816979B2Method and device for determining a touch or touchesCHANG CHIN-FU·Filed 2011·Granted Aug 26, 2014·0 cites·16 claims
- 3957US9069429B2Method and device for image segmentationEgalax—Empia Technology Inc·Filed 2013·Granted Jun 30, 2015·0 cites·42 claims
- 4057US8816987B2Method and device for signal detectionCHANG CHIN-FU·Filed 2010·Granted Aug 26, 2014·0 cites·47 claims
- 4157US8400424B2Method and device for analyzing positionsCHANG CHIN-FU·Filed 2011·Granted Mar 19, 2013·0 cites·20 claims
- 4254US11199927B2Method and apparatus for determining mistaken approaching or touching eventEGALAX_EMPIA TECH INC·Filed 2019·Granted Dec 14, 2021·0 cites·4 claims
- 4353US9069410B2Method and device for analyzing two-dimension sensing informationCHANG CHIN-FU·Filed 2011·Granted Jun 30, 2015·0 cites·18 claims
- 4453US8872776B2Method and device for analyzing two-dimension sensing informationCHANG CHIN-FU·Filed 2011·Granted Oct 28, 2014·0 cites·20 claims
- 4552US10866676B2Touch sensitive electronic device, touch sensitive processing apparatus and method thereofEGALAX_EMPIA TECH INC·Filed 2017·Granted Dec 15, 2020·0 cites·8 claims
- 4652US9715310B2Touch controller, touch system, and method for detecting a touch screenEGALAX_EMPIA TECH INC·Filed 2014·Granted Jul 25, 2017·0 cites·15 claims
- 4752US9689906B2Method and device for position detectionCHANG CHIN-FU·Filed 2010·Granted Jun 27, 2017·0 cites·18 claims
- 4850US2012327026A1Capacitive sensor and detection method using the sameLEE CHENG-HAN·Filed 2012·Application pending·0 cites
- 4948US8884631B2Method and device for automatically calibrating touch detectionCHANG CHIN-FU·Filed 2011·Granted Nov 11, 2014·0 cites·19 claims
- 5047US9864471B2Method and processor for analyzing two-dimension informationEGALAX_EMPIA TECH INC·Filed 2015·Granted Jan 9, 2018·0 cites·20 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →