Assignee
OKABE YASUSHI
JP·57 granted patents·313 citations·filing 2006–2014
Top patents by PatentIndex Score
57 records- 0199US8731438B2Image forming device and cartridge that transmit a driving forceOKABE YASUSHI·Filed 2010·Granted May 20, 2014·61 cites·10 claims
- 0298US8150294B2Image forming apparatus having moving mechanism for moving exposure member relative to photoconductorOKABE YASUSHI·Filed 2009·Granted Apr 3, 2012·26 cites·23 claims
- 0398US8078085B2Image forming apparatusOKABE YASUSHI·Filed 2009·Granted Dec 13, 2011·34 cites·3 claims
- 0497US8774671B2Developing cartridge capable of providing stabilized electrical power supply to developing rollerOKABE YASUSHI·Filed 2012·Granted Jul 8, 2014·24 cites·19 claims
- 0597US8559845B2Image forming apparatus and tandem type photosensitive unitOKABE YASUSHI·Filed 2010·Granted Oct 15, 2013·16 cites·31 claims
- 0696US8768197B2Image forming apparatus, image forming cartridge supporter, and image forming unitOKABE YASUSHI·Filed 2013·Granted Jul 1, 2014·8 cites·10 claims
- 0796US8483588B2Image forming apparatus, image forming cartridge supporter, and image forming unitOKABE YASUSHI·Filed 2012·Granted Jul 9, 2013·9 cites·14 claims
- 0896US8417141B2Image forming apparatusOKABE YASUSHI·Filed 2012·Granted Apr 9, 2013·11 cites·10 claims
- 0996US8249482B2Image forming apparatus, image forming cartridge supporter, and image forming unitOKABE YASUSHI·Filed 2011·Granted Aug 21, 2012·9 cites·15 claims
- 1095US8452213B2Image forming apparatusOKABE YASUSHI·Filed 2011·Granted May 28, 2013·10 cites·10 claims
- 1195US8306452B2Image forming apparatus and photosensitive unitOKABE YASUSHI·Filed 2011·Granted Nov 6, 2012·8 cites·9 claims
- 1294US9274501B2Drive force transmission configuration for an image forming apparatus having cartridgeOKABE YASUSHI·Filed 2014·Granted Mar 1, 2016·9 cites·7 claims
- 1394US8831472B2Unit frame having grip partOKABE YASUSHI·Filed 2013·Granted Sep 9, 2014·4 cites·8 claims
- 1494US8706005B2Process cartridge and developing cartridgeOKABE YASUSHI·Filed 2011·Granted Apr 22, 2014·9 cites·16 claims
- 1593US9014594B2Image forming apparatus and photosensitive unitOKABE YASUSHI·Filed 2012·Granted Apr 21, 2015·7 cites·16 claims
- 1693US8121520B2Photosensitive member cartridgeOKABE YASUSHI·Filed 2011·Granted Feb 21, 2012·6 cites·15 claims
- 1791US8200119B2Image forming deviceOKABE YASUSHI·Filed 2006·Granted Jun 12, 2012·11 cites·18 claims
- 1889US8644728B2Unit frame having grip partOKABE YASUSHI·Filed 2013·Granted Feb 4, 2014·2 cites·5 claims
- 1989US8107853B2Image forming apparatus and photosensitive unitOKABE YASUSHI·Filed 2009·Granted Jan 31, 2012·7 cites·3 claims
- 2088US8463158B2Tandem photosensitive-member unit having grip partOKABE YASUSHI·Filed 2012·Granted Jun 11, 2013·2 cites·13 claims
- 2188US8265521B2Tandem photosensitive-member unit having grip partOKABE YASUSHI·Filed 2011·Granted Sep 11, 2012·2 cites·21 claims
- 2287US8116652B2Image forming apparatusOKABE YASUSHI·Filed 2007·Granted Feb 14, 2012·6 cites·20 claims
- 2386US8577255B2Image forming apparatusOKABE YASUSHI·Filed 2009·Granted Nov 5, 2013·4 cites·12 claims
- 2486US8175486B2Image forming apparatus having body-side contacts and unit-side contactsOKABE YASUSHI·Filed 2010·Granted May 8, 2012·3 cites·33 claims
- 2585US8483593B2Image forming device having spacer member for retaining developing roller at position spaced away from corresponding photosensitive drumOKABE YASUSHI·Filed 2011·Granted Jul 9, 2013·3 cites·9 claims
- 2682US9086675B2Image forming device with cartridge support member supporting a plurality of cartridgesOKABE YASUSHI·Filed 2012·Granted Jul 21, 2015·3 cites·16 claims
- 2781US9146528B2Photosensitive drum access configuration for an image forming apparatusOKABE YASUSHI·Filed 2012·Granted Sep 29, 2015·2 cites·14 claims
- 2880US9057982B2Developer containerOKABE YASUSHI·Filed 2013·Granted Jun 16, 2015·2 cites·20 claims
- 2978US9134691B2Image forming apparatus and tandem type photosensitive unitOKABE YASUSHI·Filed 2013·Granted Sep 15, 2015·1 cites·20 claims
- 3078US8649700B2Image forming apparatusOKABE YASUSHI·Filed 2013·Granted Feb 11, 2014·1 cites·3 claims
- 3177US8559846B2Photosensitive-member unit and image forming apparatusOKABE YASUSHI·Filed 2011·Granted Oct 15, 2013·1 cites·5 claims
- 3276US8521058B2Image forming device having holder unit with side plates between which photosenstive drums and toner cases are positionedOKABE YASUSHI·Filed 2011·Granted Aug 27, 2013·2 cites·7 claims
- 3374US8467700B2Configuration for a cartridge usable in an image forming apparatusOKABE YASUSHI·Filed 2010·Granted Jun 18, 2013·2 cites·12 claims
- 3473US9323215B2Image forming apparatus having cartridgesOKABE YASUSHI·Filed 2014·Granted Apr 26, 2016·1 cites·52 claims
- 3572US9158272B2Image forming apparatus having movable supporting member for supporting cartridgeOKABE YASUSHI·Filed 2014·Granted Oct 13, 2015·1 cites·20 claims
- 3672US8918019B2Developer cartridge having developing rollerOKABE YASUSHI·Filed 2012·Granted Dec 23, 2014·1 cites·26 claims
- 3768US9201370B2Image forming apparatus including coupling member selectively coupled to photosensitive drumOKABE YASUSHI·Filed 2013·Granted Dec 1, 2015·0 cites·8 claims
- 3868US9020394B2Image forming apparatus including black photosensitive drum replaceable independently from color photosensitive drumsOKABE YASUSHI·Filed 2013·Granted Apr 28, 2015·0 cites·15 claims
- 3968US8655221B2Mountable cartridge with protruding memberOKABE YASUSHI·Filed 2010·Granted Feb 18, 2014·1 cites·15 claims
- 4067US8705999B2Image forming device including supporting member for supporting photosensitive drumsOKABE YASUSHI·Filed 2011·Granted Apr 22, 2014·1 cites·34 claims
- 4166US8107858B2Discharger and process cartridgeOKABE YASUSHI·Filed 2009·Granted Jan 31, 2012·2 cites·7 claims
- 4264US8965237B2Image forming apparatusOKABE YASUSHI·Filed 2014·Granted Feb 24, 2015·0 cites·11 claims
- 4363US9008544B2Image forming apparatus and photosensitive unit including an electrical contact configurationOKABE YASUSHI·Filed 2013·Granted Apr 14, 2015·0 cites·6 claims
- 4461US8639157B2Image forming apparatus and photosensitive unitOKABE YASUSHI·Filed 2012·Granted Jan 28, 2014·0 cites·5 claims
- 4560US8879952B2Image forming device having holder unit that holds developing units and spacer member to maintain developing units at particular positionOKABE YASUSHI·Filed 2013·Granted Nov 4, 2014·0 cites·10 claims
- 4660US8588649B2Image forming apparatus in which movement of cover causes moving mechanisms to move exposure membersOKABE YASUSHI·Filed 2012·Granted Nov 19, 2013·0 cites·20 claims
- 4759US8265513B2Image forming apparatusOKABE YASUSHI·Filed 2012·Granted Sep 11, 2012·0 cites·13 claims
- 4858US8971757B2Image forming deviceOKABE YASUSHI·Filed 2012·Granted Mar 3, 2015·0 cites·17 claims
- 4957US8099021B2Image forming apparatusOKABE YASUSHI·Filed 2007·Granted Jan 17, 2012·1 cites·15 claims
- 5051US8185015B2Image forming apparatus and process cartridgeOKABE YASUSHI·Filed 2009·Granted May 22, 2012·0 cites·27 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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