Assignee
SAKUMA SUSUMU
JP·23 granted patents·80 citations·filing 1987–2014
Top patents by PatentIndex Score
23 records- 0196US8805232B2Image forming apparatus having waste toner boxSAKUMA SUSUMU·Filed 2013·Granted Aug 12, 2014·10 cites·13 claims
- 0295US8290393B2Image forming apparatus having waste toner boxSAKUMA SUSUMU·Filed 2011·Granted Oct 16, 2012·8 cites·4 claims
- 0393US8532521B2Image forming apparatus having waste toner boxSAKUMA SUSUMU·Filed 2012·Granted Sep 10, 2013·5 cites·18 claims
- 0493US8457518B1Image forming apparatus having cleaning unit and waste toner retainerSAKUMA SUSUMU·Filed 2013·Granted Jun 4, 2013·5 cites·2 claims
- 0585US8270869B2Image forming apparatus, supporting member, and image forming unitSAKUMA SUSUMU·Filed 2009·Granted Sep 18, 2012·5 cites·11 claims
- 0684US9031476B2Developing device, process cartridge and image forming apparatusSAKUMA SUSUMU·Filed 2013·Granted May 12, 2015·2 cites·13 claims
- 0784US8073357B2Developer cartridge, developing unit and image forming apparatus having seal member for preventing leakage of developerSAKUMA SUSUMU·Filed 2009·Granted Dec 6, 2011·7 cites·11 claims
- 0883US8571448B2Developing device, process cartridge and image forming apparatusSAKUMA SUSUMU·Filed 2012·Granted Oct 29, 2013·2 cites·42 claims
- 0983US8233817B2Image forming apparatusSAKUMA SUSUMU·Filed 2009·Granted Jul 31, 2012·5 cites·13 claims
- 1071USD718379SPhotosensitive drum unitSAKUMA SUSUMU·Filed 2013·Granted Nov 25, 2014·16 cites·1 claims
- 1162US9170552B2Image forming apparatusSAKUMA SUSUMU·Filed 2014·Granted Oct 27, 2015·0 cites·17 claims
- 1260US8666282B2Image formation apparatus and developer cartridgeSAKUMA SUSUMU·Filed 2012·Granted Mar 4, 2014·0 cites·20 claims
- 1359US8682209B2Image forming apparatusSAKUMA SUSUMU·Filed 2012·Granted Mar 25, 2014·0 cites·11 claims
- 1459US8301059B2Image formation apparatus and developer cartridgeSAKUMA SUSUMU·Filed 2012·Granted Oct 30, 2012·0 cites·3 claims
- 1559US8270870B2Image forming apparatus, supporting member, and image forming unitSAKUMA SUSUMU·Filed 2012·Granted Sep 18, 2012·0 cites·2 claims
- 1658US8165507B2Image formation apparatus and developer cartridgeSAKUMA SUSUMU·Filed 2011·Granted Apr 24, 2012·0 cites·5 claims
- 1757US8190066B2Developing unitSAKUMA SUSUMU·Filed 2008·Granted May 29, 2012·1 cites·17 claims
- 1857US8068761B2Image forming apparatus having a cleaning unitSAKUMA SUSUMU·Filed 2011·Granted Nov 29, 2011·0 cites·18 claims
- 1953US8155567B2Developing device, process cartridge and image forming apparatusSAKUMA SUSUMU·Filed 2008·Granted Apr 10, 2012·0 cites·10 claims
- 2049US8165492B2Developer cartridge, developing unit and image forming apparatusSAKUMA SUSUMU·Filed 2009·Granted Apr 24, 2012·0 cites·11 claims
- 2148US4954836AFollow-up system for moving bodiesSAKUMA SUSUMU·Filed 1987·Granted Sep 4, 1990·14 cites·2 claims
- 2245US8265523B2Image forming apparatus having replaceable developer cartridgesSAKUMA SUSUMU·Filed 2008·Granted Sep 11, 2012·0 cites·31 claims
- 2342US8229330B2Developing unitSAKUMA SUSUMU·Filed 2008·Granted Jul 24, 2012·0 cites·14 claims
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