Inventor
KUMAGAI HIROAKI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
9 patentsUS5939337AAug 17, 1999
Toner fixation film and toner fixation apparatus using it
CANON KK27 citations92
US5765086AJun 9, 1998
Heat fixing belt with conductive aluminum layer toner release layer and elastic layer disposed therebetween
CANON KK24 citations92
US5763068AJun 9, 1998
Fluororesin-coated member, production method therefor and heat fixing device using the coated member
CANON KK27 citations92
US5753348AMay 19, 1998
Fluororesin tube-covered fixing roller, and image formation apparatus
CANON KK33 citations92
US5608508AMar 4, 1997
Rotatable member for fixing in which inorganic filler is contained in silicone rubber, and fixing device having the same
CANON KK30 citations92
US5392156AFeb 21, 1995
Optical device
CANON KK32 citations92
US5863660AJan 26, 1999
Fixing member and fixing apparatus including same
CANON KK7 citations74
US5247098ASep 21, 1993
Thiophene derivative having long conjugated chain at 3-position, and photo-responsive material imploying the same
CANON KK5 citations73
US5320936AJun 14, 1994
Photo responsive material employing a thiophene derivative having long conjugated chain at 3-position
CANON KK4 citations62