Inventor
SUGAWARA MASAE
JP10 patents
⚠️ This page may combine multiple inventors who share the name “SUGAWARA MASAE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
6 patentsUS6753515B2Jun 22, 2004
Induction heating type fixing device for an image forming apparatus and induction heating coil therefor
RICOH KK38 citations95
US7122767B2Oct 17, 2006
Method for controlling power supply to fixing roller in image forming apparatus
RICOH KK25 citations91
US6630651B2Oct 7, 2003
Induction heating device with a switching power source and image processing apparatus using the same
RICOH KK21 citations91
US7135660B2Nov 14, 2006
Induction heating type fixing device for an image forming apparatus and induction heating coil therefor
RICOH KK9 citations72
US6806448B2Oct 19, 2004
Induction heating device with a switching power source and image processing apparatus using the same
RICOH KK5 citations72
US7496312B2Feb 24, 2009
Auxiliary power supply unit and image forming apparatus
RICOH KK4 citations57
TOHOKU RIKO KK
2 patentsUS6977362B2Dec 20, 2005
Induction heating device with a switching power source and image processing apparatus using the same
TOHOKU RIKO KK15 citations91
US6946629B2Sep 20, 2005
Induction heating type fixing device for an image forming apparatus and induction heating coil therefor
TOHOKU RIKO KK17 citations91