Inventor · disambiguated record
Cheng-Lu Liu
Also filed as: LIU CHENG-LU
4 granted patents·9 pending applications·2 citations·filing 2009–2016
58Inventor score
Top patents by PatentIndex Score
13 records- 0160US8692814B2Electromagnetic pointerLIEN CHIEN-CHIA·Filed 2010·Granted Apr 8, 2014·2 cites·16 claims
- 0258US10180737B2Thin electromagnetic handwriting pen and method of manufacturing the sameWACOM CO LTD·Filed 2016·Granted Jan 15, 2019·0 cites·20 claims
- 0351US9535513B2Thin electromagnetic handwriting pen and method of manufacturing the sameWACOM CO LTD·Filed 2014·Granted Jan 3, 2017·0 cites·13 claims
- 0450US2011084846A1Electromagnetic Whiteboard PenWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 0546US2010271345A1Electronic White Board Capable of Printing Partial Data ThereonWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 0644US2011084942A1Data Processing Method and System with Multiple Input UnitsWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 0741US2011007001A1Dual Mode Input DeviceWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 0840US2011007024A1Whiteboard and Method for Orientation ThereofWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 0940US2011083912A1Electromagnetic Whiteboard EraserWALTOP INT CORP·Filed 2009·Application pending·0 cites
- 1036US2011090171A1Integrated Substrate and Display with Electromagnetic Sensor LoopWALTOP INT CORP·Filed 2010·Application pending·0 cites
- 1136US2011036648A1Notebook Mountable Hand Writing Memory SystemWALTOP INT CORP·Filed 2010·Application pending·0 cites
- 1230US2012112766A1Electromagnetic induction coordinate detecting system and method thereofHSU CHUNG-WEN·Filed 2011·Application pending·0 cites
- 1326US8184055B2Electromagnetic input LCD monitorLIU CHENG-LU·Filed 2009·Granted May 22, 2012·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →