Inventor · disambiguated record
Nobumasa Abe
Also filed as: ABE NOBUMASA
61 granted patents·3 pending applications·1,604 citations·filing 1985–2021
99Inventor score
Top patents by PatentIndex Score
64 records- 0199US6708011B2System for forming color imagesSEIKO EPSON CORP·Filed 2002·Granted Mar 16, 2004·331 cites·58 claims
- 0298US4914562AThermal jet recording apparatusSEIKO EPSON CORP·Filed 1987·Granted Apr 3, 1990·368 cites·1 claims
- 0397US5367324AInk jet recording apparatus for ejecting droplets of ink through promotion of capillary actionSEIKO EPSON CORP·Filed 1992·Granted Nov 22, 1994·166 cites·3 claims
- 0495US9428859B2Sheet manufacturing apparatus and defibrating unitSEIKO EPSON CORP·Filed 2014·Granted Aug 30, 2016·9 cites·10 claims
- 0593US6799011B2Tandem-type color image forming apparatusSEIKO EPSON CORP·Filed 2002·Granted Sep 28, 2004·44 cites·39 claims
- 0692US9422664B2Sheet manufacturing apparatus and defibration unitSEIKO EPSON CORP·Filed 2014·Granted Aug 23, 2016·8 cites·9 claims
- 0791US7636101B2MEMS scanner adapted to a laser printerMICROVISION INC·Filed 2006·Granted Dec 22, 2009·12 cites·36 claims
- 0891US6185380B1Image forming apparatus having independent recording media discharge passagesSEIKO EPSON CORP·Filed 2000·Granted Feb 6, 2001·29 cites·8 claims
- 0990US7020415B2Image forming apparatus with transfer beltSEIKO EPSON CORP·Filed 2003·Granted Mar 28, 2006·33 cites·6 claims
- 1088US9643339B2Sheet manufacturing apparatus and defibration unitSEIKO EPSON CORP·Filed 2016·Granted May 9, 2017·2 cites·8 claims
- 1188US6907209B2Tandem-type image forming apparatus with a transfer beltSEIKO EPSON CORP·Filed 2003·Granted Jun 14, 2005·27 cites·9 claims
- 1287US6907215B2Developing device and image forming apparatus incorporating the sameSEIKO EPSON CORP·Filed 2002·Granted Jun 14, 2005·26 cites·18 claims
- 1387US6865361B2Transfer belt unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2002·Granted Mar 8, 2005·28 cites·8 claims
- 1485US7058345B2Transfer belt unit and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2004·Granted Jun 6, 2006·19 cites·10 claims
- 1585US6618065B2Image forming apparatus having a plurality of writing electrodesSEIKO EPSON CORP·Filed 2001·Granted Sep 9, 2003·24 cites·31 claims
- 1685US4727380APhotosensitive printing apparatusSEIKO EPSON CORP·Filed 1985·Granted Feb 23, 1988·52 cites·47 claims
- 1784US9869057B2Defibration unitSEIKO EPSON CORP·Filed 2017·Granted Jan 16, 2018·1 cites·2 claims
- 1884US6515692B2Image forming apparatus having writing electrodes as a writing deviceSEIKO EPSON CORP·Filed 2001·Granted Feb 4, 2003·21 cites·13 claims
- 1982US5381171AInk-jet recording headSEIKO EPSON CORP·Filed 1993·Granted Jan 10, 1995·44 cites·11 claims
- 2078US6819899B2Image forming apparatus employing work function relationshipsSEIKO EPSON CORP·Filed 2002·Granted Nov 16, 2004·14 cites·24 claims
- 2178US6518990B2Image forming apparatus for forming an electrostatic latent image on a latent image carrierSEIKO EPSON CORP·Filed 2001·Granted Feb 11, 2003·18 cites·12 claims
- 2277US11319668B2Sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2017·Granted May 3, 2022·2 cites·10 claims
- 2377US7444093B2Liquid toner concentration detecting device and method with window in toner container for light passageSEIKO EPSON CORP·Filed 2006·Granted Oct 28, 2008·4 cites·15 claims
- 2477US6829454B2Image forming apparatus with improved transfer efficiencySEIKO EPSON CORP·Filed 2002·Granted Dec 7, 2004·16 cites·17 claims
- 2576US10563351B2Sheet manufacturing apparatus and material defibrating apparatusSEIKO EPSON CORP·Filed 2014·Granted Feb 18, 2020·2 cites·3 claims
- 2676US6661442B2Image forming apparatus having writing electrodes for forming an electrostatic latent imageSEIKO EPSON CORP·Filed 2002·Granted Dec 9, 2003·14 cites·5 claims
- 2776US6408158B1Intermediate transfer unitSEIKO EPSON CORP·Filed 2000·Granted Jun 18, 2002·11 cites·1 claims
- 2875US6731899B2Intermediate transfer unitSEIKO EPSON CORP·Filed 2002·Granted May 4, 2004·10 cites·13 claims
- 2974US6473107B2Image forming apparatusSEIKO EPSON CORP·Filed 2001·Granted Oct 29, 2002·13 cites·10 claims
- 3074US6078760AImage forming apparatus having an inverse and re-fixing sub-modeSEIKO EPSON CORP·Filed 1998·Granted Jun 20, 2000·20 cites·26 claims
- 3173US7031642B2Driving system for color image forming apparatusSEIKO EPSON CORP·Filed 2003·Granted Apr 18, 2006·12 cites·25 claims
- 3273US5148185AInk jet recording apparatus for ejecting droplets of ink through promotion of capillary actionSEIKO EPSON CORP·Filed 1991·Granted Sep 15, 1992·22 cites·15 claims
- 3372US6650349B2Image forming apparatus having writing electrodes as a writing deviceSEIKO EPSON CORP·Filed 2002·Granted Nov 18, 2003·11 cites·10 claims
- 3471US5068684AImage forming deviceSEIKO EPSON CORP·Filed 1989·Granted Nov 26, 1991·13 cites·59 claims
- 3568US4945381AImage forming apparatusSEIKO EPSON CORP·Filed 1987·Granted Jul 31, 1990·21 cites·47 claims
- 3667US7187893B2Image transfer unit having an intermediate transfer belt to which a toner image is appliedSEIKO EPSON CORP·Filed 2002·Granted Mar 6, 2007·7 cites·6 claims
- 3766US9840809B2Defibrating unitSEIKO EPSON CORP·Filed 2017·Granted Dec 12, 2017·0 cites·3 claims
- 3866US5650807AInk jet recording apparatus and method of manufactureSEIKO EPSON CORP·Filed 1994·Granted Jul 22, 1997·16 cites·6 claims
- 3964US10961657B2Defibrating device and sheet manufacturing apparatusSEIKO EPSON CORP·Filed 2018·Granted Mar 30, 2021·0 cites·20 claims
- 4062US7218883B2Image forming apparatusSEIKO EPSON CORP·Filed 2002·Granted May 15, 2007·8 cites·1 claims
- 4161US7167666B2Liquid development device, image forming apparatus, and image forming systemSEIKO EPSON CORP·Filed 2004·Granted Jan 23, 2007·7 cites·39 claims
- 4261US7027758B2Image forming apparatus employing work function relationshipsSEIKO EPSON CORP·Filed 2004·Granted Apr 11, 2006·6 cites·2 claims
- 4361US6223015B1Recording medium carrier system intermediate transfer unitSEIKO EPSON CORP·Filed 1998·Granted Apr 24, 2001·12 cites·9 claims
- 4460US5430522AImage forming apparatus with enhanced transport of its photosensitive recording memberSEIKO EPSON CORP·Filed 1993·Granted Jul 4, 1995·9 cites·3 claims
- 4560US4838657ALiquid crystal shutterSEIKO EPSON CORP·Filed 1985·Granted Jun 13, 1989·23 cites·18 claims
- 4659US6532031B2Image forming apparatus with writing electrodes having a substantially semi-circular resistant layerFiled 2001·Granted Mar 11, 2003·6 cites·28 claims
- 4758US9644316B2Sheet manufacturing apparatus and defibrating unitSEIKO EPSON CORP·Filed 2016·Granted May 9, 2017·0 cites·12 claims
- 4858US6701109B2Color image forming apparatusSEIKO EPSON CORP·Filed 2002·Granted Mar 2, 2004·6 cites·15 claims
- 4957US6856782B2Intermediate transfer unit having a primary and a secondary transfer memberSEIKO EPSON CORP·Filed 2002·Granted Feb 15, 2005·6 cites·2 claims
- 5056US6173139B1Recording medium carrier system having a paper feed unit, a transfer unit, a fixing unit and a paper ejecting unit constructed as independent unitsSEIKO EPSON CORP·Filed 1998·Granted Jan 9, 2001·10 cites·4 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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