Inventor
HAMAKAWA HIROYUKI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “HAMAKAWA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYOCERA MITA CORP
6 patentsUS7421226B2Sep 2, 2008
Developing device and image forming apparatus
KYOCERA MITA CORP6 citations62
US8010025B2Aug 30, 2011
Developing unit and image forming device
KYOCERA MITA CORP2 citations61
US7826782B2Nov 2, 2010
Developing device and image forming apparatus
KYOCERA MITA CORP0 citations51
US7555247B2Jun 30, 2009
Toner conveying device, developing device, and image forming device having the same
KYOCERA MITA CORP1 citations51
US7466943B2Dec 16, 2008
Image forming apparatus comprising a developer roller
KYOCERA MITA CORP0 citations51
US7421227B2Sep 2, 2008
Developing device and image forming apparatus
KYOCERA MITA CORP0 citations40
MITA INDUSTRIAL CO LTD
5 patentsUS5805959ASep 8, 1998
Process unit
MITA INDUSTRIAL CO LTD31 citations92
US5121165AJun 9, 1992
Developer unit and a toner hopper for an image forming device
MITA INDUSTRIAL CO LTD36 citations90
US5634174AMay 27, 1997
Developer apparatus having toner concentration control
MITA INDUSTRIAL CO LTD8 citations73
US5752132AMay 12, 1998
Process unit
MITA INDUSTRIAL CO LTD12 citations72
US4966355AOct 30, 1990
Copying paper feeding device for an alignment tray of a copy machine
MITA INDUSTRIAL CO LTD2 citations61
KYOCERA DOCUMENT SOLUTIONS INC
5 patentsUS9098017B2Aug 4, 2015
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC7 citations83
US10365581B1Jul 30, 2019
Developing device and image forming apparatus including same
KYOCERA DOCUMENT SOLUTIONS INC1 citations62
US10175633B2Jan 8, 2019
Image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations62
US9513579B2Dec 6, 2016
Developer replenishing apparatus including container having moving wall
KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US8903266B2Dec 2, 2014
Developing device and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations41