Inventor · disambiguated record
Kan Tomita
Also filed as: TOMITA KAN
23 granted patents·509 citations·filing 1988–2000
97Inventor score
Files withRICOH KK23
Top patents by PatentIndex Score
23 records- 0188US6332611B1Sheet conveying path switching device and image forming apparatus using the sheet conveying path switching deviceRICOH KK·Filed 2000·Granted Dec 25, 2001·29 cites·16 claims
- 0286US5054866AScanning optical apparatusRICOH KK·Filed 1989·Granted Oct 8, 1991·57 cites·31 claims
- 0385US5819136ATemperature control for a fixing deviceRICOH KK·Filed 1997·Granted Oct 6, 1998·37 cites·19 claims
- 0481US5550623ADigital copying machine having selective paper feed based on copy productivityRICOH KK·Filed 1995·Granted Aug 27, 1996·35 cites·23 claims
- 0581US5033806AOptical scannerRICOH KK·Filed 1990·Granted Jul 23, 1991·41 cites·9 claims
- 0680US5309182ABicolor image forming apparatus for forming a bicolor image on a photoconductive elementRICOH KK·Filed 1992·Granted May 3, 1994·26 cites·14 claims
- 0779US6006051AElectrophotographic apparatus and image forming apparatus employed therein with controlled timing of a power supplyRICOH KK·Filed 1996·Granted Dec 21, 1999·30 cites·30 claims
- 0874US5376994ACompact BI-color electrophotographic image forming apparatusRICOH KK·Filed 1993·Granted Dec 27, 1994·36 cites·7 claims
- 0967US5357583AGraphics processing apparatus for smoothing edges of imagesRICOH KK·Filed 1992·Granted Oct 18, 1994·38 cites·10 claims
- 1067US5325474AGraphic output device including antialiasing capability governed by decisions regarding slope of edge dataRICOH KK·Filed 1991·Granted Jun 28, 1994·34 cites·11 claims
- 1165US5161047AOptical scanner for image recording apparatusRICOH KK·Filed 1991·Granted Nov 3, 1992·28 cites·16 claims
- 1264US5999765AImage forming apparatus and method thereforRICOH KK·Filed 1998·Granted Dec 7, 1999·16 cites·24 claims
- 1355US5729349AMethod and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paperRICOH KK·Filed 1996·Granted Mar 17, 1998·9 cites·10 claims
- 1454US5130839AScanning optical apparatusRICOH KK·Filed 1991·Granted Jul 14, 1992·18 cites·2 claims
- 1553US5852499AMethod and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paperRICOH KK·Filed 1997·Granted Dec 22, 1998·11 cites·34 claims
- 1650US5115334AOptical scanning deviceRICOH KK·Filed 1991·Granted May 19, 1992·14 cites·4 claims
- 1746US5440408AImage data processing apparatus having a digital copying function and a facsimile function and including means for distinguishing a facsimile reception sheet from a copy sheetRICOH KK·Filed 1993·Granted Aug 8, 1995·10 cites·13 claims
- 1841US5493424AImage forming apparatusRICOH KK·Filed 1994·Granted Feb 20, 1996·9 cites·10 claims
- 1941US4891711ADocument reader for a digital copierRICOH KK·Filed 1988·Granted Jan 2, 1990·6 cites·5 claims
- 2040US5099355AOptical element having heat control meansRICOH KK·Filed 1990·Granted Mar 24, 1992·8 cites·6 claims
- 2138US5179277AMethods for optically scanning a scanned face with an equi-angular scan velocityRICOH KK·Filed 1992·Granted Jan 12, 1993·7 cites·4 claims
- 2235US5337182AOptical ScannerRICOH KK·Filed 1992·Granted Aug 9, 1994·5 cites·4 claims
- 2335US5208694AOptical scannerRICOH KK·Filed 1991·Granted May 4, 1993·5 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →