Inventor · disambiguated record
Chih-Yao Chang
Also filed as: CHANG CHIH-YAO
26 granted patents·16 pending applications·258 citations·filing 2004–2024
95Inventor score
Top patents by PatentIndex Score
42 records- 0193US7984745B2Cordless window blind structureNIEN MADE ENTPR CO LTD·Filed 2007·Granted Jul 26, 2011·32 cites·17 claims
- 0293US7195052B2Cord-driven rotator for driving roller of window blindNIEN MADE ENTPR CO LTD·Filed 2004·Granted Mar 27, 2007·65 cites·9 claims
- 0392US7311131B2Rolling mechanism for window blindNIEN MADE ENTPR CO LTD·Filed 2004·Granted Dec 25, 2007·60 cites·10 claims
- 0488US7597131B2Cord lock apparatus of window shade assemblyNIEN MADE ENTPR CO LTD·Filed 2007·Granted Oct 6, 2009·25 cites·8 claims
- 0585US8910696B2Slat controller of window blindWEN YU-CHE·Filed 2012·Granted Dec 16, 2014·14 cites·12 claims
- 0680US9119496B2Window blindNIEN MADE ENTPR CO LTD·Filed 2013·Granted Sep 1, 2015·7 cites·7 claims
- 0777US8997826B2Window coveringNIEN MADE ENTPR CO LTD·Filed 2013·Granted Apr 7, 2015·5 cites·11 claims
- 0877US7703500B2Bracket and head rail assemblyNIEN MADE ENTPR CO LTD·Filed 2006·Granted Apr 27, 2010·16 cites·8 claims
- 0970US7602971B2System, method and recording medium for automatically classifying documentsNEWSOFT TECHNOLOGY CORP·Filed 2005·Granted Oct 13, 2009·12 cites·27 claims
- 1068US10036199B2Window blindNIEN MADE ENTPR CO LTD·Filed 2016·Granted Jul 31, 2018·2 cites·8 claims
- 1167US9249619B2Window coveringNIEN MADE ENTPR CO LTD·Filed 2014·Granted Feb 2, 2016·4 cites·14 claims
- 1266US8776860B2Vane assembly of vertical window blind and the vane carrier thereofWEN YU-CHE·Filed 2012·Granted Jul 15, 2014·4 cites·9 claims
- 1365US7855605B1Amplifier circuitCHI MEI COMM SYSTEMS INC·Filed 2009·Granted Dec 21, 2010·5 cites·18 claims
- 1464US8919417B2Head rail of window covering and lid fastenerWEN YU-CHE·Filed 2012·Granted Dec 30, 2014·3 cites·5 claims
- 1563US11500228B1Electronic devices with sheet-packed coherent fiber bundlesAPPLE INC·Filed 2021·Granted Nov 15, 2022·0 cites·19 claims
- 1662US12455459B2Head-mounted device and headbandHTC CORP·Filed 2024·Granted Oct 28, 2025·0 cites·6 claims
- 1762US9255443B2Window coveringNIEN MADE ENTPR CO LTD·Filed 2013·Granted Feb 9, 2016·2 cites·9 claims
- 1862US2024415246A1Wearable device and upper head strap moduleHTC CORP·Filed 2024·Application pending·0 cites
- 1961US12025295B2Wearable device and head strap moduleHTC CORP·Filed 2022·Granted Jul 2, 2024·0 cites·11 claims
- 2059US10718155B2Light blocking system for vertical blindNIEN MADE ENTPR CO LTD·Filed 2017·Granted Jul 21, 2020·1 cites·11 claims
- 2158US8739370B2Cord release of window coveringWEN YU-CHE·Filed 2011·Granted Jun 3, 2014·1 cites·10 claims
- 2257US2008087386A1Combination structure of spring power assembly and head railNIEN MADE ENTPR CO LTD·Filed 2006·Application pending·0 cites
- 2357US2025009081A1Wearable device and head strap moduleHTC CORP·Filed 2024·Application pending·0 cites
- 2456US12413316B2Calibration method and calibration system for radio frequency transceiverWISTRON NEWEB CORP·Filed 2024·Granted Sep 9, 2025·0 cites·20 claims
- 2555US11927303B2Wearable deviceHTC CORP·Filed 2022·Granted Mar 12, 2024·0 cites·7 claims
- 2655US2008099157A1Device for winding suspension cord of blindNIEN MADE ENTPR CO LTD·Filed 2006·Application pending·0 cites
- 2753US11754779B1Electronic devices with coherent fiber bundlesAPPLE INC·Filed 2021·Granted Sep 12, 2023·0 cites·17 claims
- 2848US8752251B2Cord release of window coveringWEN YU-CHE·Filed 2012·Granted Jun 17, 2014·0 cites·15 claims
- 2947US8701738B2Cord controller of window coveringWEN YU-CHE·Filed 2011·Granted Apr 22, 2014·0 cites·6 claims
- 3045US2019301238A1Resistance mechanism for cord of window coveringNIEN MADE ENTPR CO LTD·Filed 2018·Application pending·0 cites
- 3144US2018313143A1Window coveringNIEN MADE ENTPR CO LTD·Filed 2017·Application pending·0 cites
- 3244US2019053654A1Bracket for window covering and assembly of casing and bracketNIEN MADE ENTPR CO LTD·Filed 2017·Application pending·0 cites
- 3344US2015246788A1Device for collecting cordNIEN MADE ENTPR CO LTD·Filed 2014·Application pending·0 cites
- 3444US2019063149A1Reel for collecting cord of window covering and driving module having the sameNIEN MADE ENTPR CO LTD·Filed 2018·Application pending·0 cites
- 3543US2019078383A1Adjusting module for a window blindNIEN MADE ENTPR CO LTD·Filed 2017·Application pending·0 cites
- 3642US12038986B2Recommendation model training method, recommendation method, apparatus, and computer-readable mediumHUAWEI TECH CO LTD·Filed 2021·Granted Jul 16, 2024·0 cites·16 claims
- 3742US2017058598A1Covering device for opening of building and headrail structure thereofNIEN MADE ENTPR CO LTD·Filed 2016·Application pending·0 cites
- 3841US2017067288A1Control module of cordless window coveringNIEN MADE ENTPR CO LTD·Filed 2016·Application pending·0 cites
- 3941US2017022754A1Separable tilting deviceNIEN MADE ENTPR CO LTD·Filed 2016·Application pending·0 cites
- 4041US2017089130A1Cord lock of window coveringNIEN MADE ENTPR CO LTD·Filed 2016·Application pending·0 cites
- 4140US2016053534A1Window blind and lift control module of covering structure thereofNIEN MADE ENTPR CO LTD·Filed 2015·Application pending·0 cites
- 4239US2015211292A1Window blindNIEN MADE ENTPR CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →