Inventor · disambiguated record
Yu Liu
Also filed as: LIU YU · LIU YU-YIN
35 granted patents·5 pending applications·371 citations·filing 2005–2023
98Inventor score
Top patents by PatentIndex Score
40 records- 0196USD710111SToothbrushCOLGATE PALMOLIVE CO·Filed 2013·Granted Aug 5, 2014·66 cites·1 claims
- 0290US9462877B2Oral care implementXI WEN JIN·Filed 2010·Granted Oct 11, 2016·20 cites·20 claims
- 0386US7220012B2Illuminating clip for penLIU YU-YIN·Filed 2005·Granted May 22, 2007·11 cites·4 claims
- 0485US9167887B2Oral care implementXI WEN JIN·Filed 2010·Granted Oct 27, 2015·13 cites·21 claims
- 0584US9955778B2Oral care implement and method of manufacturing an oral care implementCOLGATE PALMOLIVE CO·Filed 2014·Granted May 1, 2018·9 cites·18 claims
- 0682USD706036SOral care implementCOLGATE PALMOLIVE CO·Filed 2013·Granted Jun 3, 2014·19 cites·1 claims
- 0782USD686825SOral care implementCOLGATE PALMOLIVE CO·Filed 2013·Granted Jul 30, 2013·22 cites·1 claims
- 0879USD805307SOral care implementCOLGATE PALMOLIVE CO·Filed 2016·Granted Dec 19, 2017·13 cites·1 claims
- 0978US10743647B2Oral care implement and monofilament bristle for use with the sameCOLGATE PALMOLIVE CO·Filed 2015·Granted Aug 18, 2020·2 cites·5 claims
- 1078USD667223SToothbrushDING XIANG JI·Filed 2011·Granted Sep 18, 2012·24 cites·1 claims
- 1176USD698158SOral care implementCOLGATE PALMOLIVE CO·Filed 2013·Granted Jan 28, 2014·18 cites·1 claims
- 1276USD675448SOral care implementCOLGATE PALMOLIVE CO·Filed 2010·Granted Feb 5, 2013·22 cites·1 claims
- 1376US8087841B2Retractable pen with retraction-linking device for extending pen-bodyLIU YU-YIN·Filed 2009·Granted Jan 3, 2012·6 cites·7 claims
- 1474US9916943B2Linkage mechanism and press key including the sameSUNREX TECHNOLOGY CORP·Filed 2016·Granted Mar 13, 2018·3 cites·9 claims
- 1572USD754443SOral care implementCOLGATE PALMOLIVE CO·Filed 2014·Granted Apr 26, 2016·17 cites·1 claims
- 1670US7854559B2Pen with double pen barrelSPARK GOLD CO·Filed 2009·Granted Dec 21, 2010·4 cites·6 claims
- 1769USD773824SPortion of a toothbrushCOLGATE PALMOLIVE CO·Filed 2014·Granted Dec 13, 2016·11 cites·1 claims
- 1866USD678679SToothbrushXI WEN JIN·Filed 2011·Granted Mar 26, 2013·14 cites·1 claims
- 1965US11241080B2Oral care implement and monofilament bristle for use with the sameCOLGATE PALMOLIVE CO·Filed 2020·Granted Feb 8, 2022·0 cites·20 claims
- 2064USD775470SOral care implementCOLGATE PALMOLIVE CO·Filed 2014·Granted Jan 3, 2017·12 cites·1 claims
- 2162USD791486SToothbrushCOLGATE PALMOLIVE CO·Filed 2014·Granted Jul 11, 2017·9 cites·1 claims
- 2261USD689286SToothbrushDING XIANG JI·Filed 2011·Granted Sep 10, 2013·9 cites·1 claims
- 2360US2024374101A1Stair cleaning robot based on retractable rotating armsUNIV NANTONG·Filed 2023·Application pending·0 cites
- 2459USD770183SOral care implementCOLGATE PALMOLIVE CO·Filed 2014·Granted Nov 1, 2016·6 cites·1 claims
- 2556US2010322696A1Pen with window for display of patternLIU YU-YIN·Filed 2009·Application pending·0 cites
- 2656US2011129285A1Retractable penLIU YU-YIN·Filed 2009·Application pending·0 cites
- 2754US2011103877A1Pen with Rotating OrnamentsLIU YU-YIN·Filed 2008·Application pending·0 cites
- 2853USD678680SToothbrushXI WEN JIN·Filed 2011·Granted Mar 26, 2013·8 cites·1 claims
- 2951USD688876SOral care implementCOLGATE PALMOLIVE CO·Filed 2013·Granted Sep 3, 2013·5 cites·1 claims
- 3051USD675447SOral care implementCOLGATE PALMOLIVE CO·Filed 2010·Granted Feb 5, 2013·7 cites·1 claims
- 3151US2009016801A1Handy tool penSPARK GOLD CO·Filed 2007·Application pending·0 cites
- 3250USD675831SOral care implementCOLGATE PALMOLIVE CO·Filed 2010·Granted Feb 12, 2013·5 cites·1 claims
- 3349US7926968B2Dual mode luminous ball penSPARK GOLD CO·Filed 2008·Granted Apr 19, 2011·3 cites·16 claims
- 3446USD676664SToothbrushCOLGATE PALMOLIVE CO·Filed 2011·Granted Feb 26, 2013·5 cites·1 claims
- 3537USD676665SToothbrushCOLGATE PALMOLIVE CO·Filed 2011·Granted Feb 26, 2013·2 cites·1 claims
- 3637USD658890SToothbrushXI WEN JIN·Filed 2011·Granted May 8, 2012·2 cites·1 claims
- 3736USD712155SToothbrushDING XIANG JI·Filed 2011·Granted Sep 2, 2014·2 cites·1 claims
- 3836USD666834SToothbrushXI WEN JIN·Filed 2011·Granted Sep 11, 2012·2 cites·1 claims
- 3932USD905433SOral care implementCOLGATE PALMOLIVE CO·Filed 2017·Granted Dec 22, 2020·0 cites·1 claims
- 4031USD658889SToothbrushXI WEN JIN·Filed 2011·Granted May 8, 2012·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →