Inventor · disambiguated record
Tomoe Aruga
Also filed as: ARUGA TOMOE
44 granted patents·1 pending application·563 citations·filing 1987–2009
98Inventor score
Files withSEIKO EPSON CORP45
Top patents by PatentIndex Score
45 records- 0193US6799011B2Tandem-type color image forming apparatusSEIKO EPSON CORP·Filed 2002·Granted Sep 28, 2004·44 cites·39 claims
- 0291US6975829B2Device for fixing an image on a sheet mediumSEIKO EPSON CORP·Filed 2003·Granted Dec 13, 2005·35 cites·50 claims
- 0387US7418229B2Fusing unit that stabilizes a contact nip regionSEIKO EPSON CORP·Filed 2005·Granted Aug 26, 2008·9 cites·25 claims
- 0487US6907215B2Developing device and image forming apparatus incorporating the sameSEIKO EPSON CORP·Filed 2002·Granted Jun 14, 2005·26 cites·18 claims
- 0587US6865361B2Transfer belt unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2002·Granted Mar 8, 2005·28 cites·8 claims
- 0686US7630671B2Developing system that distributes carrier to developer containers in a manner to achieve stable image formationSEIKO EPSON CORP·Filed 2006·Granted Dec 8, 2009·7 cites·3 claims
- 0786US5081551ARecording and reproducing apparatusSEIKO EPSON CORP·Filed 1989·Granted Jan 14, 1992·32 cites·39 claims
- 0885US7058345B2Transfer belt unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2004·Granted Jun 6, 2006·19 cites·10 claims
- 0985US6336022B2Developing unitSEIKO EPSON CORP·Filed 2001·Granted Jan 1, 2002·15 cites·1 claims
- 1083US5950052AImage forming apparatusSEIKO EPSON CORP·Filed 1997·Granted Sep 7, 1999·34 cites·42 claims
- 1182US6163674ADeveloping unit having developing roller with restraining bladeSEIKO EPSON CORP·Filed 1999·Granted Dec 19, 2000·18 cites·3 claims
- 1281US4882644AMagnetic head supporting mechanismSEIKO EPSON CORP·Filed 1987·Granted Nov 21, 1989·32 cites·13 claims
- 1380US4825314ADisc driveSEIKO EPSON CORP·Filed 1988·Granted Apr 25, 1989·20 cites·39 claims
- 1479US6198893B1Image forming apparatus having a plurality of developing unitsSEIKO EPSON CORP·Filed 1999·Granted Mar 6, 2001·16 cites·3 claims
- 1579US6192209B1Developing unitSEIKO EPSON CORP·Filed 1999·Granted Feb 20, 2001·16 cites·4 claims
- 1676US5303104ADisk drive apparatus having carriage driving mechanismSEIKO EPSON CORP·Filed 1992·Granted Apr 12, 1994·24 cites·20 claims
- 1774US5469421AFloppy disk drive deviceSEIKO EPSON CORP·Filed 1994·Granted Nov 21, 1995·16 cites·3 claims
- 1873US6226484B1Developing unit using specific developer compositionSEIKO EPSON CORP·Filed 1999·Granted May 1, 2001·12 cites·3 claims
- 1972US7024145B2Fixing device for fixing an unfixed toner image formed on a sheet-shaped recording mediumSEIKO EPSON CORP·Filed 2004·Granted Apr 4, 2006·12 cites·24 claims
- 2072US5537191AImage forming apparatus with toner transport mechanism incorporated thereinSEIKO EPSON CORP·Filed 1994·Granted Jul 16, 1996·16 cites·44 claims
- 2171US6094554ADeveloping unit having developing roller with specific side surface roughnessSEIKO EPSON CORP·Filed 1999·Granted Jul 25, 2000·11 cites·1 claims
- 2270US6151474ADeveloping unit using elastic supply rollerSEIKO EPSON CORP·Filed 1999·Granted Nov 21, 2000·11 cites·2 claims
- 2369US6993270B2Belt member incorporated in image forming apparatusSEIKO EPSON CORP·Filed 2003·Granted Jan 31, 2006·13 cites·17 claims
- 2466US7493066B2Developing deviceSEIKO EPSON CORP·Filed 2006·Granted Feb 17, 2009·2 cites·10 claims
- 2566US7406286B2Fixing device and image forming apparatus including a heating roller with multiple heatersSEIKO EPSON CORP·Filed 2004·Granted Jul 29, 2008·11 cites·25 claims
- 2666US5121272AApparatus for centering the magnetic disc in a magnetic disc driveSEIKO EPSON CORP·Filed 1989·Granted Jun 9, 1992·11 cites·19 claims
- 2762US7218883B2Image forming apparatusSEIKO EPSON CORP·Filed 2002·Granted May 15, 2007·8 cites·1 claims
- 2859US6295433B1Developing unit having a conveying fin for loading a supply roller with tonerSEIKO EPSON CORP·Filed 1999·Granted Sep 25, 2001·7 cites·2 claims
- 2958US5729804AToner storage device and supply mechanism for image formingSEIKO EPSON CORP·Filed 1995·Granted Mar 17, 1998·15 cites·22 claims
- 3053US7917065B2Image forming apparatus that collects and filters excess liquid developerSEIKO EPSON CORP·Filed 2009·Granted Mar 29, 2011·0 cites·7 claims
- 3153US7742723B2Developing device having cleaning blade for cleaning development rollerSEIKO EPSON CORP·Filed 2008·Granted Jun 22, 2010·0 cites·3 claims
- 3251US7103307B2Fixing device and image forming apparatus incorporating the sameSEIKO EPSON CORP·Filed 2004·Granted Sep 5, 2006·4 cites·11 claims
- 3351US4903155ADisc driveSEIKO EPSON CORP·Filed 1989·Granted Feb 20, 1990·6 cites·26 claims
- 3450US5633699AStructure for mounting a rotary member and image forming apparatus using same structureSEIKO EPSON CORP·Filed 1994·Granted May 27, 1997·8 cites·42 claims
- 3550US5303102ADisk drive apparatus having head guardSEIKO EPSON CORP·Filed 1992·Granted Apr 12, 1994·11 cites·18 claims
- 3645US7769325B2Developer conveying apparatus and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2008·Granted Aug 3, 2010·0 cites·4 claims
- 3745US2003112316A1Image forming apparatusSEIKO EPSON CORP·Filed 2002·Application pending·0 cites
- 3842US7215917B2Fusing device with stable nipping portionSEIKO EPSON CORP·Filed 2005·Granted May 8, 2007·0 cites·27 claims
- 3942US5036417AMagnetic head feeding device with a rack and pinionSEIKO EPSON CORP·Filed 1990·Granted Jul 30, 1991·4 cites·52 claims
- 4042US5032941AMagnetic head feeding deviceSEIKO EPSON CORP·Filed 1989·Granted Jul 16, 1991·6 cites·7 claims
- 4141US7657210B2Developer collection system and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2006·Granted Feb 2, 2010·0 cites·34 claims
- 4236USRE37503EFloppy disk drive deviceSEIKO EPSON CORP·Filed 1998·Granted Jan 8, 2002·2 cites·64 claims
- 4335US7383008B2Fixing rubber roller, fixing device and image forming apparatus incorporating the sameSEIKO EPSON CORP·Filed 2004·Granted Jun 3, 2008·0 cites·8 claims
- 4433US4757409ACarriage movement device for a magnetic memory deviceSEIKO EPSON CORP·Filed 1987·Granted Jul 12, 1988·2 cites·13 claims
- 4530USRE37426EFloppy disk dive deviceSEIKO EPSON CORP·Filed 1998·Granted Oct 30, 2001·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →