Inventor
YAMASHINA RYOTA
JP47 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHINA RYOTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMASHINA RYOTA
10 patentsUS8606135B2Dec 10, 2013
Fixing device and image forming apparatus employing the fixing device
YAMASHINA RYOTA10 citations84
US8150289B2Apr 3, 2012
Fixing device for an image forming apparatus
YAMASHINA RYOTA7 citations84
US8577230B2Nov 5, 2013
Fixing device, fixing device control method, and image forming apparatus
YAMASHINA RYOTA5 citations72
US9170544B2Oct 27, 2015
Image forming apparatus
YAMASHINA RYOTA2 citations62
US8831448B2Sep 9, 2014
Fixing device, image forming apparatus, and fixing condition control method
YAMASHINA RYOTA1 citations51
US9195183B2Nov 24, 2015
Image forming apparatus with conveyance unit to regulate passage of recording medium
YAMASHINA RYOTA0 citations41
US9176438B2Nov 3, 2015
Image forming apparatus and method of arranging sheet detector
YAMASHINA RYOTA0 citations41
US8965230B2Feb 24, 2015
Fixing device
YAMASHINA RYOTA0 citations41
US8886070B2Nov 11, 2014
Fixing device for locally heating a fixing member and image forming apparatus incorporating the fixing device
YAMASHINA RYOTA0 citations41
US9250592B2Feb 2, 2016
Image forming apparatus having a smoothness detector
YAMASHINA RYOTA0 citations40
ISHIGAYA YASUNORI
6 patentsUS8699896B2Apr 15, 2014
Failure predictor, fixing device, image forming apparatus, and failure prediction system
ISHIGAYA YASUNORI2 citations62
US8682237B2Mar 25, 2014
Fixing device and image forming apparatus including same
ISHIGAYA YASUNORI3 citations62
US8275278B2Sep 25, 2012
Fixing control device, fixing device, and image forming apparatus
ISHIGAYA YASUNORI5 citations62
US8559860B2Oct 15, 2013
Fixing device and image forming apparatus including same
ISHIGAYA YASUNORI1 citations52
US9448516B2Sep 20, 2016
Fixing device temperature control method, fixing device, and image forming apparatus
ISHIGAYA YASUNORI1 citations51
US8886071B2Nov 11, 2014
Fixing device, fixing device control method, and image forming apparatus
ISHIGAYA YASUNORI0 citations41
SAMEI MASAHIRO
4 patentsUS9069302B2Jun 30, 2015
Fixing device and image forming apparatus including same
SAMEI MASAHIRO11 citations84
US9046832B2Jun 2, 2015
Fixing device having heat shielding device and image forming apparatus incorporating same
SAMEI MASAHIRO2 citations62
US9164438B2Oct 20, 2015
Fixing device temperature control method, fixing device, and image forming apparatus
SAMEI MASAHIRO0 citations41
US8818225B2Aug 26, 2014
Temperature control method of thermal fixing device, thermal fixing device, and image forming apparatus
SAMEI MASAHIRO0 citations41
RICOH CO LTD
4 patentsUS12483795B2Nov 25, 2025
Communication terminal, display method, and non-transitory computer-readable medium for displaying videos captured by telepresence robot
RICOH CO LTD0 citations62
US12075167B2Aug 27, 2024
Communication terminal, display method, and non-transitory computer-readable medium for displaying images and controller
RICOH CO LTD0 citations62
US9075365B2Jul 7, 2015
Fixing device
RICOH CO LTD1 citations52
US8385756B2Feb 26, 2013
Failure diagnosis device, failure diagnosis method, image forming device, and recording medium
RICOH CO LTD0 citations41
WAIDA TAKUMI
4 patentsUS9354567B2May 31, 2016
Fixing device, fixing device control method, and image forming apparatus
WAIDA TAKUMI1 citations50
US8805225B2Aug 12, 2014
Fixing device and image forming apparatus
WAIDA TAKUMI1 citations50
US9557697B2Jan 31, 2017
Recording media smoothness detector and image forming apparatus incorporating same
WAIDA TAKUMI0 citations39
US9411284B2Aug 9, 2016
Fixing device
WAIDA TAKUMI0 citations39