Inventor · disambiguated record
Po-Hua Fang
Also filed as: FANG PO-HUA
28 granted patents·10 pending applications·146 citations·filing 2000–2007
96Inventor score
Top patents by PatentIndex Score
38 records- 0185US6646769B1Light source mechanism for an imaging apparatusUMAX DATA SYSTEMS INC·Filed 2000·Granted Nov 11, 2003·25 cites·8 claims
- 0280US7457012B2Detecting the alignment of a document in an automatic document feederFANG PO-HUA·Filed 2001·Granted Nov 25, 2008·17 cites·55 claims
- 0376US7242502B2Optical device of scannerHUANG YIN-CHUN·Filed 2003·Granted Jul 10, 2007·12 cites·18 claims
- 0476US7149012B2Image scannerFANG PO-HUA·Filed 2001·Granted Dec 12, 2006·12 cites·12 claims
- 0574US7038819B2Depth of field adjustment device and method for an automatic document feederFANG PO-HUA·Filed 2001·Granted May 2, 2006·13 cites·15 claims
- 0672USRE41636EModularized light-guiding apparatus and manufacturing methodFANG PO-HUA·Filed 2007·Granted Sep 7, 2010·2 cites·59 claims
- 0771US7092131B2Transparency scanning moduleFANG PO-HUA·Filed 2001·Granted Aug 15, 2006·8 cites·9 claims
- 0869USRE41876ELight source mechanism for an imaging apparatusFANG PO-HUA·Filed 2005·Granted Oct 26, 2010·2 cites·22 claims
- 0968US6525503B2Drive mechanism of scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Feb 25, 2003·8 cites·10 claims
- 1067US6687027B1Parallel driving mechanism for optical chassisUMAX DATA SYSTEMS·Filed 2000·Granted Feb 3, 2004·8 cites·6 claims
- 1165US8111434B2Optical device of scannerHUANG YIN-CHUN·Filed 2006·Granted Feb 7, 2012·1 cites·31 claims
- 1265US7697173B2Transparency scanning moduleFANG PO-HUA·Filed 2006·Granted Apr 13, 2010·1 cites·15 claims
- 1365US7423788B2Image scannerTRANSPACIFIC IP LTD·Filed 2006·Granted Sep 9, 2008·1 cites·16 claims
- 1465US6619807B2Modularized light-guiding apparatus and manufacturing methodUMAX DATA SYSTEMS INC·Filed 2001·Granted Sep 16, 2003·7 cites·36 claims
- 1563US7057777B2Optical image scanning device with fluorescent layer as back lightFANG PO-HUA·Filed 2002·Granted Jun 6, 2006·6 cites·12 claims
- 1659US6626057B1Gear-shifting device for changing scanning speed of optical scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Sep 30, 2003·8 cites·12 claims
- 1756US7859727B2Image-gathering apparatus and methodFANG PO-HUA·Filed 2002·Granted Dec 28, 2010·2 cites·32 claims
- 1856US7411705B2Light-source mechanism for optical scannerTRANSPACIFIC IP LTD·Filed 2002·Granted Aug 12, 2008·2 cites·23 claims
- 1956US7173742B2Document scanner with light focusing deviceFANG PO-HUA·Filed 2002·Granted Feb 6, 2007·2 cites·12 claims
- 2055US7471425B2Scanning method by using sheet feed scannerHUANG YIN-CHUN·Filed 2002·Granted Dec 30, 2008·2 cites·30 claims
- 2154US7595917B2Document scanner with light-focusing deviceFANG PO-HUA·Filed 2006·Granted Sep 29, 2009·0 cites·20 claims
- 2253USRE41635EModularized light-guiding apparatus and manufacturing methodFANG PO-HUA·Filed 2005·Granted Sep 7, 2010·0 cites·56 claims
- 2353US6535305B1Transmission mechanism for optical scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Mar 18, 2003·2 cites·8 claims
- 2445US2003178555A1Filtering method and mechanism for scannersUMAX DATA SYSTEMS INC·Filed 2003·Application pending·0 cites
- 2544US2004160776A1Illuminant module and method of manufacturing the sameFiled 2003·Application pending·0 cites
- 2644US2004012970A1Lamp protection deviceUMAX DATA SYSTEMS INC·Filed 2002·Application pending·0 cites
- 2743US6771408B2Optical lens device of image scannerVEUTRON CORP·Filed 2002·Granted Aug 3, 2004·2 cites·24 claims
- 2842US7220020B2Light source deviceTSUEI JI-MEI·Filed 2003·Granted May 22, 2007·3 cites·8 claims
- 2942US2002181031A1Automatic document feeder for an image forming apparatusUMAX DATA SYSTEMS INC·Filed 2001·Application pending·0 cites
- 3042US2003164995A1Optical device and method for scannerFiled 2002·Application pending·0 cites
- 3142US2002003207A1Drive mechanism of optical scannerFiled 2000·Application pending·0 cites
- 3240US2004114365A1Light source spotlight device of a scan deviceVEUTRON CORP·Filed 2002·Application pending·0 cites
- 3339USRE41794EOptical lens device of image scannerHUANG SHI-HUA·Filed 2006·Granted Oct 5, 2010·0 cites·44 claims
- 3438US6644650B2Automatic document feeding apparatusUMAX DATA SYSTEMS INC·Filed 2001·Granted Nov 11, 2003·0 cites·9 claims
- 3538US2004008428A1Structure of non-circular lens holderFiled 2002·Application pending·0 cites
- 3636US2004057228A1Light source of LED for scannerVEUTRON CORP·Filed 2003·Application pending·0 cites
- 3735US6697182B1Optical system of a scan deviceVEUTRON CORP·Filed 2002·Granted Feb 24, 2004·0 cites·22 claims
- 3830US2004012138A1Document feeding systemFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →