Inventor
KIKEGAWA RYUICHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KIKEGAWA RYUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS7565087B2Jul 21, 2009
Fixing device, image forming apparatus including the fixing device, and fixing method
RICOH KK32 citations92
US7551869B2Jun 23, 2009
Fixing device, image forming apparatus including the fixing device, and fixing method
RICOH KK31 citations92
US7515845B2Apr 7, 2009
Method for supplying power, and fixing and image forming apparatuses
RICOH KK26 citations92
US7366432B2Apr 29, 2008
Fixing device for fixing an image, image forming apparatus including the fixing device, and fixing method
RICOH KK30 citations92
US7356270B2Apr 8, 2008
Fixing device, image forming apparatus including the fixing device, and fixing method
RICOH KK27 citations92
US7343113B2Mar 11, 2008
Fixing device, image forming apparatus including the fixing device, and fixing method
RICOH KK35 citations92
US7333743B2Feb 19, 2008
Fixing device, image forming apparatus including the fixing device, and fixing method
RICOH KK37 citations92
US7308216B2Dec 11, 2007
Image forming apparatus and method to supply power to a fixing device
RICOH KK38 citations92
KIKEGAWA RYUICHI
3 patentsUS9971286B2May 15, 2018
Control method of image forming apparatus
KIKEGAWA RYUICHI4 citations69
US9958815B2May 1, 2018
Control method of image forming apparatus
KIKEGAWA RYUICHI2 citations69
US10007221B2Jun 26, 2018
Image forming apparatus to control supply of even abnormal levels of a transfer voltage, based upon temperature detected
KIKEGAWA RYUICHI1 citations49