Inventor
SUGIYAMA KEISUKE
JP64 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUGIYAMA KEISUKE
13 patentsUS9221648B2Dec 29, 2015
Sheet processing device, image forming system, and method of additionally folding sheet bundle
SUGIYAMA KEISUKE7 citations83
US8485514B2Jul 16, 2013
Sheet processing apparatus, image forming system, and sheet processing method
SUGIYAMA KEISUKE7 citations83
US11530107B2Dec 20, 2022
Sheet processing apparatus and image forming system incorporating the sheet processing apparatus
SUGIYAMA KEISUKE2 citations73
US8931773B2Jan 13, 2015
Sheet folding device having inclined stacking surface
SUGIYAMA KEISUKE4 citations72
US8521046B2Aug 27, 2013
Image forming apparatus
SUGIYAMA KEISUKE6 citations72
US11442391B2Sep 13, 2022
Drive control device, driving device, sheet conveying device, and image forming apparatus
SUGIYAMA KEISUKE0 citations62
US11117763B2Sep 14, 2021
Sheet processing apparatus and image forming system incorporating the sheet processing apparatus
SUGIYAMA KEISUKE0 citations62
US8064801B2Nov 22, 2011
Drive transmission device, and image forming apparatus and process cartridge using same
SUGIYAMA KEISUKE2 citations62
US9061859B2Jun 23, 2015
Sheet processing apparatus and image forming system
SUGIYAMA KEISUKE0 citations52
US12487549B2Dec 2, 2025
Sheet processing apparatus, sheet processing method, and image forming system
SUGIYAMA KEISUKE0 citations51
US11886143B2Jan 30, 2024
Sheet laminator, image forming apparatus, and sheet laminating method
SUGIYAMA KEISUKE0 citations51
US10023423B2Jul 17, 2018
Sheet processing apparatus, image forming system, and method of additionally folding sheet bundle
SUGIYAMA KEISUKE0 citations51
US9260268B2Feb 16, 2016
Sheet processing apparatus, image forming system, and method of additionally folding sheet bundle
SUGIYAMA KEISUKE1 citations51
FURUHASHI TOMOHIRO
6 patentsUS8496239B2Jul 30, 2013
Sheet processing apparatus, image forming system, and sheet processing method
FURUHASHI TOMOHIRO11 citations84
US8398067B2Mar 19, 2013
Sheet processing apparatus and image forming apparatus
FURUHASHI TOMOHIRO6 citations73
US8960660B2Feb 24, 2015
Sheet processing apparatus and image forming system
FURUHASHI TOMOHIRO4 citations72
US8702087B2Apr 22, 2014
Sheet handling apparatus, image forming system, and sheet reception control method
FURUHASHI TOMOHIRO6 citations72
US8770569B2Jul 8, 2014
Sheet processing apparatus, image forming system, and sheet processing method
FURUHASHI TOMOHIRO2 citations62
US9604814B2Mar 28, 2017
Sheet processing apparatus and image forming system
FURUHASHI TOMOHIRO0 citations51
RICOH CO LTD
5 patentsUS8010026B2Aug 30, 2011
Image forming system and method of detecting color misregistration
RICOH CO LTD27 citations92
US7937007B2May 3, 2011
Image forming apparatus and image forming method of effectively detecting a speed deviation pattern of the image forming apparatus
RICOH CO LTD7 citations84
US7885577B2Feb 8, 2011
Rotation transmission device and image forming apparatus
RICOH CO LTD2 citations63
US12566398B2Mar 3, 2026
Sheet laminator and image forming system incorporating the sheet laminator
RICOH CO LTD0 citations60
US8010019B2Aug 30, 2011
Image forming apparatus
RICOH CO LTD1 citations52
RICOH KK
4 patentsUS7693468B2Apr 6, 2010
Image forming apparatus capable of effectively forming a quality color image
RICOH KK22 citations92
US7653332B2Jan 26, 2010
Image forming apparatus having enhanced controlling method for reducing deviation of superimposed images
RICOH KK23 citations92
US7630657B2Dec 8, 2009
Method, apparatus, and program for image forming capable of effectively adjusting positional deviation
RICOH KK23 citations92
US7697867B2Apr 13, 2010
Image forming apparatus with fluctuation-pattern detection and fine-tuning-pattern correction
RICOH KK11 citations84
HOSHINO TOMOMICHI
4 patentsUS8936240B2Jan 20, 2015
Sheet discharging device, image forming system, and sheet discharging method
HOSHINO TOMOMICHI13 citations91
US9561927B2Feb 7, 2017
Sheet discharging device, image forming system, and sheet discharging method
HOSHINO TOMOMICHI4 citations72
US9260264B2Feb 16, 2016
Sheet discharging device, image forming system, and sheet discharging method
HOSHINO TOMOMICHI4 citations72
US9181063B2Nov 10, 2015
Sheet processing apparatus, image forming system, and sheet-bundle additional folding method
HOSHINO TOMOMICHI0 citations51
SUZUKI JUNYA
2 patentsNAGASAKO SHUUYA
2 patentsKIKUCHI ATSUSHI
2 patentsWATANABE TAKAHIRO
1 patentNAKADA KYOSUKE
1 patentSUGITA NARUMI
1 patentKONNO KAZUNORI
1 patentYOSHIDA SHOTA
1 patentSETO KAZUKI
1 patentNIIKURA YASUO
1 patentHIDAKA MAKOTO
1 patentMIURA YOHEI
1 patentSHIMODATE KAZUKI
1 patentTAKAHASHI WATARU
1 patentSATOH SHOHICHI
1 patentShowing the top 50 of 64 patents by PatentIndex Score.