Inventor · disambiguated record
Sung-Po Cheng
Also filed as: CHENG SUNG-PO
27 granted patents·9 pending applications·54 citations·filing 2000–2025
94Inventor score
Top patents by PatentIndex Score
36 records- 0186US10337831B2Sight and compensating mechanism thereofSINTAI OPTICAL SHENZHEN CO LTD·Filed 2017·Granted Jul 2, 2019·5 cites·11 claims
- 0284US10145651B2Adjusting knob mechanismSINTAI OPTICAL SHENZHEN CO LTD·Filed 2017·Granted Dec 4, 2018·4 cites·19 claims
- 0378US8177219B2Transmission mechanism and automatic sheet feeder using the sameCHEN KU-MING·Filed 2009·Granted May 15, 2012·11 cites·20 claims
- 0478US7466458B2Calibration mechanism of a scanning deviceAVISION INC·Filed 2006·Granted Dec 16, 2008·5 cites·6 claims
- 0577US8305658B2Automatic document feeder and scanning apparatus having device for detecting document speedCHENG SUNG-PO·Filed 2009·Granted Nov 6, 2012·5 cites·13 claims
- 0670US8477386B2Cover-type apparatus with simplified interlocking structureCHENG SUNG-PO·Filed 2010·Granted Jul 2, 2013·2 cites·15 claims
- 0770US2025251694A1Printer and integrated light source module thereofAVISION INC·Filed 2025·Application pending·0 cites
- 0869US9085429B1Intermittent drive feeding mechanismAVISION INC·Filed 2014·Granted Jul 21, 2015·2 cites·6 claims
- 0965US8240666B2Sheet feeder and scan apparatus with sheet-stopping function independent of movement of pick-up mechanismCHENG SUNG-PO·Filed 2011·Granted Aug 14, 2012·2 cites·12 claims
- 1064US7099052B2Scanner with a controller for controlling movement of a scanning module during scanner maintenanceAVISION INC·Filed 2002·Granted Aug 29, 2006·6 cites·9 claims
- 1160US11366406B2Reflective toner level detector with relative rotating and cleaningAVISION INC·Filed 2021·Granted Jun 21, 2022·0 cites·7 claims
- 1260US10983454B2Reflective toner level detector with relative rotating and cleaningAVISION INC·Filed 2020·Granted Apr 20, 2021·0 cites·8 claims
- 1360US9580260B2Sheet-feeding device with multistage stop armsAVISION INC·Filed 2015·Granted Feb 28, 2017·1 cites·17 claims
- 1460US8708332B2Automatic feeding apparatus with sheet-input assisting mechanismAVISION INC·Filed 2013·Granted Apr 29, 2014·1 cites·11 claims
- 1559US10495415B2SightSINTAI OPTICAL SHENZHEN CO LTD·Filed 2019·Granted Dec 3, 2019·2 cites·20 claims
- 1657US7946572B2Paper pick-up mechanism and feeder using the sameAVISION INC·Filed 2008·Granted May 24, 2011·1 cites·20 claims
- 1755US10788288B2Sight and compensating mechanism thereofSINTAI OPTICAL SHENZHEN CO LTD·Filed 2019·Granted Sep 29, 2020·1 cites·20 claims
- 1854US9086518B2Linear light source module with two light guides and optical assembly for scannerAVISION INC·Filed 2014·Granted Jul 21, 2015·0 cites·16 claims
- 1953US10578400B2SightSINTAI OPTICAL SHENZHEN CO LTD·Filed 2018·Granted Mar 3, 2020·1 cites·20 claims
- 2052US12282150B2Compensating mechanismSINTAI OPTICAL SHENZHEN CO LTD·Filed 2022·Granted Apr 22, 2025·0 cites·20 claims
- 2152US7110713B2Safety structure for a cover deviceAVISION INC·Filed 2004·Granted Sep 19, 2006·4 cites·14 claims
- 2250US9902579B2Feeding device with slideAVISION INC·Filed 2015·Granted Feb 27, 2018·0 cites·11 claims
- 2350US9288357B2Dual-slope light guide, light source module and optical assembly for scannerAVISION INC·Filed 2014·Granted Mar 15, 2016·0 cites·15 claims
- 2448US7630101B2Structure of a scanning windowAVISION INC·Filed 2005·Granted Dec 8, 2009·0 cites·10 claims
- 2547US2010084810A1Sheet inputting mechanism with stopper and automatic sheet feeder using the sameCHENG SUNG-PO·Filed 2009·Application pending·0 cites
- 2647US2010225048A1Automatic sheet feeding apparatus with clutchCHENG SUNG-PO·Filed 2009·Application pending·0 cites
- 2747US2010072696A1Document processing apparatus with rotatable gap sensorCHENG SUNG-PO·Filed 2009·Application pending·0 cites
- 2847US2010259801A1Sheet feeder and scan apparatus with sheet-stopping functionCHENG SUNG-PO·Filed 2009·Application pending·0 cites
- 2946US10029867B2Feeding deviceAVISION INC·Filed 2015·Granted Jul 24, 2018·0 cites·8 claims
- 3044US2016031666A1Sheet Feeding Device Having Skew CalibrationAVISION INC·Filed 2014·Application pending·0 cites
- 3143US10252871B2Transmission assembly and office machine using the sameAVISION INC·Filed 2016·Granted Apr 9, 2019·0 cites·9 claims
- 3242US2019063147A1Positioning structure for cordless window blindCHENG SUNG PO·Filed 2017·Application pending·0 cites
- 3342US2019041583A1Optical Structure And Apparatus Using The SameSINTAI OPTICAL SHENZHEN CO LTD·Filed 2018·Application pending·0 cites
- 3439US8384968B2Transmission mechanism and scanning apparatus for switching output powersAVISION INC·Filed 2010·Granted Feb 26, 2013·0 cites·17 claims
- 3537US2011068533A1Sheet transporting apparatus having gear assembly for mounting rotating shaft, and scanner and image processing apparatus using the sameSHENG THOMAS·Filed 2010·Application pending·0 cites
- 3627USD440804SVenetian blind slatFiled 2000·Granted Apr 24, 2001·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →