Inventor
ONUMA SEI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “ONUMA SEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
10 patentsUS8050593B2Nov 1, 2011
Image forming apparatus including a mechanism for reliably mounting a process unit
RICOH CO LTD34 citations92
US7941069B2May 10, 2011
Process cartridge having air inlets and outlets for cooling gears disposed in the process cartridge
RICOH CO LTD17 citations84
US7937015B2May 3, 2011
Image forming apparatus having a development device mixing and conveying developer
RICOH CO LTD17 citations84
US7844196B2Nov 30, 2010
Image forming apparatus
RICOH CO LTD7 citations74
US8020848B2Sep 20, 2011
Paper feeder and image forming apparatus
RICOH CO LTD3 citations63
US8010012B2Aug 30, 2011
Image forming apparatus including a latent image carrier and an exposing unit
RICOH CO LTD2 citations63
US7835661B2Nov 16, 2010
Image forming apparatus
RICOH CO LTD3 citations63
US7983596B2Jul 19, 2011
Housing structure and image forming apparatus
RICOH CO LTD2 citations62
US7854418B2Dec 21, 2010
Image forming apparatus including supporting legs
RICOH CO LTD4 citations60
US7925199B2Apr 12, 2011
Image forming apparatus
RICOH CO LTD1 citations52
FURUICHI YUUSUKE
3 patentsUS8412056B2Apr 2, 2013
Image forming apparatus performing image formation by conveying paper
FURUICHI YUUSUKE7 citations84
US8417142B2Apr 9, 2013
Image forming apparatus having developing device cooling mechanism, and control method therefor
FURUICHI YUUSUKE4 citations62
US8169460B2May 1, 2012
Image forming apparatus
FURUICHI YUUSUKE0 citations41