Inventor · disambiguated record
Naoyuki Okumura
Also filed as: OKUMURA NAOYUKI
20 granted patents·8 pending applications·280 citations·filing 1987–2020
95Inventor score
Top patents by PatentIndex Score
28 records- 0191US6185380B1Image forming apparatus having independent recording media discharge passagesSEIKO EPSON CORP·Filed 2000·Granted Feb 6, 2001·29 cites·8 claims
- 0286US6459877B1Fixing device which prevents damage to a fixing beltSEIKO EPSON CORP·Filed 2000·Granted Oct 1, 2002·23 cites·35 claims
- 0384US6505028B1Image forming apparatus and fixing device for use with the sameSEIKO EPSON CORP·Filed 2000·Granted Jan 7, 2003·22 cites·36 claims
- 0484US5583717AInformation recording/reproducing device with a clamping mechanism having a collet assembly providing a reduced profile heightSEIKO EPSON CORP·Filed 1994·Granted Dec 10, 1996·31 cites·11 claims
- 0581US4882644AMagnetic head supporting mechanismSEIKO EPSON CORP·Filed 1987·Granted Nov 21, 1989·32 cites·13 claims
- 0677US10059125B2Recording appartus with support unit supporting medium transport beltSEIKO EPSON CORP·Filed 2017·Granted Aug 28, 2018·1 cites·6 claims
- 0777US8926064B2Image recording deviceSEIKO EPSON CORP·Filed 2013·Granted Jan 6, 2015·2 cites·8 claims
- 0877US7149463B2Fixing deviceSEIKO EPSON CORP·Filed 2003·Granted Dec 12, 2006·14 cites·5 claims
- 0976US6574449B2Image forming apparatus, and fixing device for use with the sameSEIKO EPSON CORP·Filed 2002·Granted Jun 3, 2003·14 cites·9 claims
- 1074US6078760AImage forming apparatus having an inverse and re-fixing sub-modeSEIKO EPSON CORP·Filed 1998·Granted Jun 20, 2000·20 cites·26 claims
- 1168US5861729ACharger for portable terminal equipment having on-hook/off-hook detecting means and battery identifying meansFUJITSU LTD·Filed 1993·Granted Jan 19, 1999·56 cites·8 claims
- 1264US6792236B2Fixing device for an image forming apparatusSEIKO EPSON CORP·Filed 2002·Granted Sep 14, 2004·7 cites·41 claims
- 1361US5987294AToner fixing apparatusSEIKO EPSON CORP·Filed 1998·Granted Nov 16, 1999·14 cites·27 claims
- 1458US7187896B2Fixing deviceSEIKO EPSON CORP·Filed 2006·Granted Mar 6, 2007·1 cites·2 claims
- 1557US7024124B2Image forming apparatus which detects jam and jam detecting method for the sameSEIKO EPSON CORP·Filed 2003·Granted Apr 4, 2006·6 cites·12 claims
- 1652US9539826B2Recording medium detection device and image recording apparatusSEIKO EPSON CORP·Filed 2014·Granted Jan 10, 2017·0 cites·8 claims
- 1751US9067418B2Image recording deviceSEIKO EPSON CORP·Filed 2014·Granted Jun 30, 2015·0 cites·14 claims
- 1847US5600513APosition detecting mechanisms for recording mediaSEIKO EPSON CORP·Filed 1995·Granted Feb 4, 1997·7 cites·4 claims
- 1943US2009196657A1Developing Device, Image Forming Apparatus, and Image Forming MethodSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 2041US7092665B2Fixing apparatus having an exfoliating member and a restricting memberSEIKO EPSON CORP·Filed 2003·Granted Aug 15, 2006·1 cites·12 claims
- 2140US2012294653A1Recovery device and image formation deviceGOMI AKIHIRO·Filed 2012·Application pending·0 cites
- 2239US2012237276A1Image Forming ApparatusSASAKI TSUTOMU·Filed 2012·Application pending·0 cites
- 2339US2012219325A1Developing Device, Image Forming Apparatus, and Recovery DeviceSASAKI TSUTOMU·Filed 2012·Application pending·0 cites
- 2434US11390095B2Printing apparatus and method of positioning ultraviolet irradiation partSEIKO EPSON CORP·Filed 2020·Granted Jul 19, 2022·0 cites·4 claims
- 2534US2012207508A1Image Forming Apparatus and Image Forming MethodNISHIYAMA KAZUHIRO·Filed 2012·Application pending·0 cites
- 2634US2012213542A1Image Forming Apparatus, Image Forming Method, and Recovery DeviceTSUKADA YUICHIRO·Filed 2012·Application pending·0 cites
- 2732US2012237266A1Developing Apparatus and Image Forming ApparatusMIYAZAWA KAZUMA·Filed 2012·Application pending·0 cites
- 2832US2012201563A1Image Forming Apparatus, Latent Image Carrying Unit, and Developing UnitMIYAZAWA KAZUMA·Filed 2012·Application pending·0 cites
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