Assignee
HIRAYAMA YUSHI
JP·4 granted patents·7 citations·filing 2009–2012
Technology mixG03G4
Top patents by PatentIndex Score
4 records- 0172US8879963B2Toner supplying device and image forming apparatus using sameHIRAYAMA YUSHI·Filed 2010·Granted Nov 4, 2014·2 cites·16 claims
- 0268US8145100B2Process cartridge including developing unit and incorporated in image forming apparatusHIRAYAMA YUSHI·Filed 2009·Granted Mar 27, 2012·3 cites·13 claims
- 0360US8311422B2Image forming apparatus having a first and second toner containers and a developing unitHIRAYAMA YUSHI·Filed 2009·Granted Nov 13, 2012·2 cites·5 claims
- 0445US8818244B2Developing device and image forming apparatusHIRAYAMA YUSHI·Filed 2012·Granted Aug 26, 2014·0 cites·6 claims
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