Inventor
YAMAZAKI TOMOYOSHI
JP34 patents
⚠️ This page may combine multiple inventors who share the name “YAMAZAKI TOMOYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
8 patentsUS7918451B2Apr 5, 2011
Switchback mechanism and image forming apparatus
RICOH CO LTD14 citations84
US7900917B2Mar 8, 2011
Recording medium conveyer capable of effectively conveying recording medium of various types
RICOH CO LTD9 citations84
US7878725B2Feb 1, 2011
Image forming apparatus having removable units
RICOH CO LTD8 citations84
US7869750B2Jan 11, 2011
Image forming apparatus with a phase of a first load torque substantially opposite to a phase of a second load torque
RICOH CO LTD7 citations83
US8045888B2Oct 25, 2011
Sheet conveying device and image forming apparatus
RICOH CO LTD2 citations63
US7992860B2Aug 9, 2011
Sheet feeding device, image forming apparatus, and sheet feeding method
RICOH CO LTD5 citations62
US7963520B2Jun 21, 2011
Sheet loading device, sheet conveying device, and image forming apparatus
RICOH CO LTD0 citations52
US7954814B2Jun 7, 2011
Feeding device and image forming apparatus
RICOH CO LTD1 citations52
HONDA HARUYUKI
6 patentsUS8666297B2Mar 4, 2014
Image forming apparatus which determines whether a sheet stacking unit is full
HONDA HARUYUKI7 citations84
US8087666B2Jan 3, 2012
Sheet discharge device and image forming apparatus
HONDA HARUYUKI15 citations84
US8413982B2Apr 9, 2013
Conveyer and image forming apparatus including the same
HONDA HARUYUKI2 citations62
US8070159B2Dec 6, 2011
Switchback mechanism and image forming apparatus
HONDA HARUYUKI2 citations62
US8873989B2Oct 28, 2014
Fixing device and image forming apparatus incorporating same
HONDA HARUYUKI0 citations51
US8260187B2Sep 4, 2012
Image forming device
HONDA HARUYUKI0 citations41
YAMAZAKI TOMOYOSHI
4 patentsUS9769327B2Sep 19, 2017
Image forming apparatus and method of positional adjustment in image formation
YAMAZAKI TOMOYOSHI4 citations72
US8417174B2Apr 9, 2013
Sheet feeding device and image forming apparatus incorporating same
YAMAZAKI TOMOYOSHI6 citations72
US8783440B2Jul 22, 2014
Sheet member position correcting device and image forming apparatus
YAMAZAKI TOMOYOSHI5 citations70
US8851471B2Oct 7, 2014
Image forming apparatus and sheet adjusting device incorporated therein
YAMAZAKI TOMOYOSHI3 citations61
RICOH KK
3 patentsUS7677555B2Mar 16, 2010
Sheet conveying apparatus and image forming apparatus with vibration applying unit
RICOH KK8 citations84
US7731182B2Jun 8, 2010
Sliding mechanism, sheet guide, sheet loading device, and image forming apparatus
RICOH KK5 citations63
US7784780B2Aug 31, 2010
Manual sheet-feeding device and image forming apparatus
RICOH KK0 citations52
FUJIWARA HIROSHI
3 patentsUS8465015B2Jun 18, 2013
Image forming apparatus and control method therefor
FUJIWARA HIROSHI4 citations62
US8322718B2Dec 4, 2012
Recording medium conveyer capable of effectively conveying recording medium of various types
FUJIWARA HIROSHI0 citations51
US8752824B2Jun 17, 2014
Sheet inverting device and image forming apparatus incorporating same
FUJIWARA HIROSHI0 citations41
NISHII TOSHIKANE
2 patentsUS8505913B2Aug 13, 2013
Sheet transport mechanism and electrophotographic image forming apparatus incorporating same
NISHII TOSHIKANE6 citations73
US9187280B2Nov 17, 2015
Sheet feeding device, control method for the sheet feeding device, and image forming apparatus incorporating the sheet feeding device
NISHII TOSHIKANE2 citations62