Assignee
UMAX DATA SYSTEMS INC
TW·150 granted patents·22 pending applications·1,672 citations·filing 1991–2003
Top patents by PatentIndex Score
172 records- 0188US6648483B1Concave mirror optical system for scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Nov 18, 2003·33 cites·6 claims
- 0288US6550761B1Integrated paper presser and stopper for automatic paper feederUMAX DATA SYSTEMS INC·Filed 2001·Granted Apr 22, 2003·28 cites·6 claims
- 0386US6650442B1Multiple non-directional scanningUMAX DATA SYSTEMS INC·Filed 2000·Granted Nov 18, 2003·52 cites·9 claims
- 0486US6616136B1Friction plate coupling structureUMAX DATA SYSTEMS INC·Filed 2002·Granted Sep 9, 2003·25 cites·20 claims
- 0585US6646769B1Light source mechanism for an imaging apparatusUMAX DATA SYSTEMS INC·Filed 2000·Granted Nov 11, 2003·25 cites·8 claims
- 0683US6161966AMulti-blade lens-aperture control mechanismUMAX DATA SYSTEMS INC·Filed 1999·Granted Dec 19, 2000·22 cites·7 claims
- 0783USD388773SScannerUMAX DATA SYSTEMS INC·Filed 1996·Granted Jan 6, 1998·28 cites·1 claims
- 0880US6667818B1Multiple-field sensor for scanning systemUMAX DATA SYSTEMS INC·Filed 2000·Granted Dec 23, 2003·16 cites·7 claims
- 0980US6647402B1Process for generating a serial number from random numbersUMAX DATA SYSTEMS INC·Filed 2000·Granted Nov 11, 2003·23 cites·10 claims
- 1078US6651971B2Paper collecting deviceUMAX DATA SYSTEMS INC·Filed 2002·Granted Nov 25, 2003·18 cites·16 claims
- 1178US6575453B2Pressure-adjustable mechanism for paper feeding roller of automatic paper feederUMAX DATA SYSTEMS INC·Filed 2001·Granted Jun 10, 2003·14 cites·8 claims
- 1278US6249368B1Light source module for optical scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Jun 19, 2001·20 cites·23 claims
- 1377US6615115B1Method of reducing scanning discontinuityUMAX DATA SYSTEMS INC·Filed 2000·Granted Sep 2, 2003·15 cites·5 claims
- 1477US6445480B1Image scanning device with switching mechanism for selectively scanning reflective and transparent documentUMAX DATA SYSTEMS INC·Filed 2000·Granted Sep 3, 2002·16 cites·4 claims
- 1577USD382857SMini computer video information converterUMAX DATA SYSTEMS INC·Filed 1995·Granted Aug 26, 1997·22 cites·1 claims
- 1676US6678077B1Multi-direction opening lid structureUMAX DATA SYSTEMS INC·Filed 2000·Granted Jan 13, 2004·15 cites·6 claims
- 1776US6628416B1Method and user interface for performing a scan operation for a scanner coupled to a computer systemUMAX DATA SYSTEMS INC·Filed 1999·Granted Sep 30, 2003·50 cites·8 claims
- 1876US6421158B1Optical scanning module with rotatable reflection mirror for image scanning deviceUMAX DATA SYSTEMS INC·Filed 2000·Granted Jul 16, 2002·15 cites·6 claims
- 1974US6626360B2Carrier mechanism for supporting and moving traveling moduleUMAX DATA SYSTEMS INC·Filed 2001·Granted Sep 30, 2003·12 cites·8 claims
- 2074US6494586B1Back-light module with improved light projecting assembly for image scanning deviceUMAX DATA SYSTEMS INC·Filed 2001·Granted Dec 17, 2002·12 cites·6 claims
- 2173US6493075B1Method to adjust the ranging of the modulation transfer function, MTF, of a sensing systemUMAX DATA SYSTEMS INC·Filed 2000·Granted Dec 10, 2002·14 cites·14 claims
- 2273US6344916B1Method and device for measuring depth of fieldUMAX DATA SYSTEMS INC·Filed 2000·Granted Feb 5, 2002·18 cites·9 claims
- 2373US6252684B1Automatic paper feeder including an upper light sourceUMAX DATA SYSTEMS INC·Filed 1998·Granted Jun 26, 2001·43 cites·12 claims
- 2472US6661588B1Objective lens anti-shock adjustment deviceUMAX DATA SYSTEMS INC·Filed 2002·Granted Dec 9, 2003·11 cites·20 claims
- 2572US6608301B2Single step multi-section exposure scanning methodUMAX DATA SYSTEMS INC·Filed 2001·Granted Aug 19, 2003·8 cites·5 claims
- 2672US5954327APaper-feeding apparatusUMAX DATA SYSTEMS INC·Filed 1998·Granted Sep 21, 1999·26 cites·14 claims
- 2772USD394047SScannerUMAX DATA SYSTEMS INC·Filed 1997·Granted May 5, 1998·17 cites·1 claims
- 2870US6661541B1Closed circuit control device for scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Dec 9, 2003·14 cites·12 claims
- 2969US6678074B1Changeable resolution apparatus and method for optical scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Jan 13, 2004·7 cites·13 claims
- 3069US6522428B1Structure of foldable optical pathUMAX DATA SYSTEMS INC·Filed 2002·Granted Feb 18, 2003·13 cites·18 claims
- 3169US5772025ABuffering pad for device packagesUMAX DATA SYSTEMS INC·Filed 1997·Granted Jun 30, 1998·43 cites·9 claims
- 3268US6655680B1Document sensor and sensing methodUMAX DATA SYSTEMS INC·Filed 2002·Granted Dec 2, 2003·9 cites·19 claims
- 3368US6525503B2Drive mechanism of scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Feb 25, 2003·8 cites·10 claims
- 3468US6285483B1Optical scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Sep 4, 2001·11 cites·13 claims
- 3568USD377168SVisual image scannerUMAX DATA SYSTEMS INC·Filed 1995·Granted Jan 7, 1997·15 cites·1 claims
- 3667US6575600B2Optic reflection deviceUMAX DATA SYSTEMS INC·Filed 2000·Granted Jun 10, 2003·6 cites·9 claims
- 3767US6453140B1Vibration inhibiting mechanism for scannerUMAX DATA SYSTEMS INC·Filed 2000·Granted Sep 17, 2002·19 cites·8 claims
- 3867US6091516ADevice for holding and moving a contact image sensorUMAX DATA SYSTEMS INC·Filed 1998·Granted Jul 18, 2000·38 cites·14 claims
- 3967US6002508AOptical scannerUMAX DATA SYSTEMS INC·Filed 1998·Granted Dec 14, 1999·33 cites·24 claims
- 4067US5912711AApparatus for converting and scaling non-interlaced VGA signal to interlaced TV signalUMAX DATA SYSTEMS INC·Filed 1997·Granted Jun 15, 1999·39 cites·3 claims
- 4167USD405066SScannerUMAX DATA SYSTEMS INC·Filed 1998·Granted Feb 2, 1999·14 cites·1 claims
- 4266US6141119AImaging cartridge for a computer systemUMAX DATA SYSTEMS INC·Filed 1998·Granted Oct 31, 2000·31 cites·19 claims
- 4366USD389468SWave shaped scannerUMAX DATA SYSTEMS INC·Filed 1996·Granted Jan 20, 1998·14 cites·1 claims
- 4465US6619807B2Modularized light-guiding apparatus and manufacturing methodUMAX DATA SYSTEMS INC·Filed 2001·Granted Sep 16, 2003·7 cites·36 claims
- 4565US6614561B1Installation for increasing a scanning range of a scanner along an axial direction of a light sourceUMAX DATA SYSTEMS INC·Filed 2000·Granted Sep 2, 2003·5 cites·12 claims
- 4665US6481860B1Circular optical reflection apparatusUMAX DATA SYSTEMS INC·Filed 2000·Granted Nov 19, 2002·9 cites·12 claims
- 4764US6646770B2Light-emitting diode light source control methodUMAX DATA SYSTEMS INC·Filed 2002·Granted Nov 11, 2003·6 cites·14 claims
- 4864US6263117B1Automatic image calibration method for a contact type scannerUMAX DATA SYSTEMS INC·Filed 1998·Granted Jul 17, 2001·30 cites·16 claims
- 4963US5769515AOptical scanners with an improved chassis locking meansUMAX DATA SYSTEMS INC·Filed 1996·Granted Jun 23, 1998·26 cites·5 claims
- 5062US6703604B2Scanning method for detecting documentsUMAX DATA SYSTEMS INC·Filed 2001·Granted Mar 9, 2004·5 cites·5 claims
Showing the top 50 of 172 patent records by PatentIndex Score.
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