Inventor
NISHIDA HAJIME
JP22 patents
⚠️ This page may combine multiple inventors who share the name “NISHIDA HAJIME”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS7753500B2Jul 13, 2010
Image forming apparatus
RICOH KK30 citations92
US5961226AOct 5, 1999
Printing apparatus
RICOH KK41 citations92
US7505714B2Mar 17, 2009
Image forming device
RICOH KK8 citations83
US7611138B2Nov 3, 2009
Paper feeder and image forming apparatus using the same
RICOH KK7 citations74
US7431422B2Oct 7, 2008
Head cleaner and image forming apparatus
RICOH KK6 citations73
US7712892B2May 11, 2010
Image forming apparatus
RICOH KK2 citations62
US7611238B2Nov 3, 2009
Image forming apparatus
RICOH KK3 citations62
US7572002B2Aug 11, 2009
Image forming apparatus and adjusting method of image forming apparatus
RICOH KK2 citations62
AOYAMA JUMPEI
6 patentsUS9856099B2Jan 2, 2018
Sheet feeder and image forming apparatus incorporating the sheet feeder
AOYAMA JUMPEI9 citations83
US10968061B2Apr 6, 2021
Image forming apparatus
AOYAMA JUMPEI3 citations72
US9625866B2Apr 18, 2017
Image forming apparatus
AOYAMA JUMPEI4 citations72
US12338094B2Jun 24, 2025
Image forming apparatus
AOYAMA JUMPEI0 citations61
US11667484B2Jun 6, 2023
Image forming apparatus
AOYAMA JUMPEI0 citations61
US10202250B2Feb 12, 2019
Image forming apparatus
AOYAMA JUMPEI0 citations51