Inventor · disambiguated record
Nobuharu Hoshi
Also filed as: HOSHI NOBUHARU · HOSI NOBUHARU
48 granted patents·5 pending applications·2,071 citations·filing 1995–2024
99Inventor score
Top patents by PatentIndex Score
53 records- 0199US9213267B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitCANON KK·Filed 2014·Granted Dec 15, 2015·45 cites·28 claims
- 0299US7933534B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitCANON KK·Filed 2009·Granted Apr 26, 2011·88 cites·20 claims
- 0399US6823153B2Developing device and process cartridge comprising first and second sealing members and electrophotographic image forming apparatus comprising a developing device comprising first and second sealing membersCANON KK·Filed 2003·Granted Nov 23, 2004·167 cites·18 claims
- 0499US6577831B1Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and process cartridge having a supporting member for rotatably supporting a developing roller at a position away from the center of rotation thereofCANON KK·Filed 2000·Granted Jun 10, 2003·178 cites·16 claims
- 0599US6463233B2Process cartridge having first and second cartridge guiding portions and an electrophotographic image forming apparatus to which the process cartridge is attachedCANON KK·Filed 2001·Granted Oct 8, 2002·133 cites·16 claims
- 0698US8682211B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitHOSHI NOBUHARU·Filed 2011·Granted Mar 25, 2014·75 cites·14 claims
- 0798US7349649B2Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatusCANON KK·Filed 2006·Granted Mar 25, 2008·48 cites·10 claims
- 0898US7346293B2Process cartridge having light guides and memory member, and electrophotographic image forming apparatus to which such cartridge is mountableCANON KK·Filed 2006·Granted Mar 18, 2008·39 cites·10 claims
- 0998US7162174B2Process cartridge having light guides and memory member, and electrophotographic image forming apparatus to which such cartridge is mountableCANON KK·Filed 2004·Granted Jan 9, 2007·81 cites·10 claims
- 1098US7127194B2Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatusCANON KK·Filed 2003·Granted Oct 24, 2006·83 cites·16 claims
- 1198US7027756B2Process cartridge and assemblying method thereforCANON KK·Filed 2004·Granted Apr 11, 2006·97 cites·20 claims
- 1298US6442359B1Process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus comprising means for rotating a charging unit if first and second rotational directions and the apparatus mounting such a process cartridgeCANON KK·Filed 1999·Granted Aug 27, 2002·126 cites·16 claims
- 1398US5809374AProcess cartridge including a seal member formed from a liquid-foam materialCANON KK·Filed 1996·Granted Sep 15, 1998·127 cites·15 claims
- 1497US9688008B2Manufacturing method for cartridge having a molded electrodeCANON KK·Filed 2016·Granted Jun 27, 2017·13 cites·10 claims
- 1597US7072594B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2004·Granted Jul 4, 2006·82 cites·15 claims
- 1696US8879944B2Cartridge having molded resin electrodeTAKARADA HIROSHI·Filed 2012·Granted Nov 4, 2014·22 cites·57 claims
- 1796US7912404B2Cartridge and electrophotographic image forming apparatusCANON KK·Filed 2007·Granted Mar 22, 2011·22 cites·15 claims
- 1896US7162181B2Remanufacturing method for process cartridgeCANON KK·Filed 2004·Granted Jan 9, 2007·74 cites·11 claims
- 1996US6990302B2Process cartridge and electrophotographic image forming apparatus regulating the positions of creases on a flexible member in accordance with pivotal movement of a support memberCANON KK·Filed 2003·Granted Jan 24, 2006·73 cites·8 claims
- 2095US9367025B2Cartridge including cartridge electrode integrally molded with frameTAKARADA HIROSHI·Filed 2014·Granted Jun 14, 2016·13 cites·13 claims
- 2195US7466939B2Electrophotographic image forming apparatus to which a plurality of process cartridges are detachably mountable by using a moving guide and an opening and closing memberCANON KK·Filed 2006·Granted Dec 16, 2008·21 cites·15 claims
- 2293US5740499AImage forming apparatus including process cartridge having elastic sealing members interposed between framesCANON KK·Filed 1995·Granted Apr 14, 1998·65 cites·39 claims
- 2392US7092657B2Electrophotographic image forming apparatus, and process cartridgeCANON KK·Filed 2004·Granted Aug 15, 2006·38 cites·15 claims
- 2492US6873815B2Part of an image forming apparatus and a unit having a groove covered with a brush memberCANON KK·Filed 2002·Granted Mar 29, 2005·40 cites·14 claims
- 2592US5995782ADeveloping cartridge with mounting positioning feature and image forming apparatus using the sameCANON KK·Filed 1997·Granted Nov 30, 1999·60 cites·35 claims
- 2691US9529306B2Cartridge and unit with injection molded seal memberCANON KK·Filed 2014·Granted Dec 27, 2016·4 cites·20 claims
- 2790US10401762B2Cartridge and unitCANON KK·Filed 2017·Granted Sep 3, 2019·3 cites·14 claims
- 2890USD519150SImage forming apparatusCANON KK·Filed 2004·Granted Apr 18, 2006·41 cites·1 claims
- 2989US9817338B2Cartridge and unit with port for injection molding resin memberCANON KK·Filed 2012·Granted Nov 14, 2017·4 cites·18 claims
- 3087US9104139B2Developing device, process cartridge, remanufacturing method for developing device and process cartridgeHOSHI NOBUHARU·Filed 2011·Granted Aug 11, 2015·5 cites·12 claims
- 3187US6865357B2Drive transmission mechanism for transmitting drive to processing means and cartridge provided with sameCANON KK·Filed 2002·Granted Mar 8, 2005·28 cites·46 claims
- 3287US6078763AProcess cartridge, assembling method and electrophotographic image forming apparatusCANON KK·Filed 1997·Granted Jun 20, 2000·41 cites·25 claims
- 3383US12479138B2Mold, method of producing product, method of producing image forming apparatus, and non-transitory computer-readable recording mediumCANON KK·Filed 2023·Granted Nov 25, 2025·0 cites·23 claims
- 3483US6144820ADeveloping apparatus with a sealing member having an insulating layer and a conductive portionCANON KK·Filed 1999·Granted Nov 7, 2000·32 cites·22 claims
- 3582US9383719B2Cartridge and image forming apparatusCANON KK·Filed 2013·Granted Jul 5, 2016·2 cites·30 claims
- 3682US6229979B1Developing charging member supplied with a voltage of a same polarity as that of a developer and not less than a charge starting voltage and a developing charging roller with internal bearingCANON KK·Filed 1998·Granted May 8, 2001·31 cites·34 claims
- 3778US5923926ADeveloping device and electrophotographic image forming apparatusCANON KK·Filed 1997·Granted Jul 13, 1999·27 cites·20 claims
- 3873US10048646B2Image forming apparatus with frame body and detachable cartridge with integrated photosensitive drumCANON KK·Filed 2015·Granted Aug 14, 2018·1 cites·21 claims
- 3973US9069291B2Cartridge and unit, for use with an image bearing member, having a seal member that seals a gap between a blade member and a frameCANON KK·Filed 2012·Granted Jun 30, 2015·1 cites·50 claims
- 4072US2024407633A1Tube body and manufacturing method thereforCANON KK·Filed 2024·Application pending·0 cites
- 4167US6701113B2Developer carrying member, developer replenishment container and image forming apparatusCANON KK·Filed 2002·Granted Mar 2, 2004·10 cites·30 claims
- 4266US7146115B2Image forming apparatus and developing-agent amount detecting method, cartridge, and storage mediumCANON KK·Filed 2004·Granted Dec 5, 2006·9 cites·28 claims
- 4365US2018370094A1Mold, method of producing product, method of producing image forming apparatus, and non-transitory computer-readable recording mediumCANON KK·Filed 2018·Application pending·0 cites
- 4463US12409590B2Manufacturing apparatus, manufacturing system, and manufacturing methodCANON KK·Filed 2023·Granted Sep 9, 2025·0 cites·23 claims
- 4563US9971282B2Cartridge having a seal member filling a gap between a frame and a blade memberCANON KK·Filed 2016·Granted May 15, 2018·0 cites·18 claims
- 4663US6185392B1Developing apparatusCANON KK·Filed 1999·Granted Feb 6, 2001·15 cites·4 claims
- 4762US2024173904A1Manufacturing apparatus control method, manufacturing system, control apparatus, and molded article manufacturing methodCANON KK·Filed 2023·Application pending·0 cites
- 4861US9864332B2Cartridge and image forming apparatusCANON KK·Filed 2016·Granted Jan 9, 2018·0 cites·36 claims
- 4956US6754461B2Developer charging deviceCANON KK·Filed 2002·Granted Jun 22, 2004·6 cites·38 claims
- 5052US8139975B2Sealing member and process cartridgeHAYASHIDA MAKOTO·Filed 2009·Granted Mar 20, 2012·1 cites·6 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →