Inventor
FUMA HIROSHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “FUMA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
20 patentsUS6650863B2Nov 18, 2003
Fixing unit and image forming apparatus
KONISHIROKU PHOTO IND31 citations92
US5054419AOct 8, 1991
Image forming apparatus
KONISHIROKU PHOTO IND23 citations92
US4814797AMar 21, 1989
Apparatus and method for controlling color dot size in multicolor image
KONISHIROKU PHOTO IND29 citations92
US5300984AApr 5, 1994
Image forming apparatus having controlled transfer unit
KONISHIROKU PHOTO IND25 citations89
US6782231B2Aug 24, 2004
Pressure applying device to fixing roller of image forming apparatus
KONISHIROKU PHOTO IND18 citations84
US6438841B1Aug 27, 2002
Device for holding fixing roller, method for manufacturing fixing roller, and image forming apparatus
KONISHIROKU PHOTO IND14 citations84
US6795681B2Sep 21, 2004
Fixing device controlling method, fixing device, and image forming apparatus for forming fixed images of desired glossiness
KONISHIROKU PHOTO IND11 citations74
US6137978AOct 24, 2000
Toner replenishing apparatus having a plurality of scraping members of differing capacities
KONISHIROKU PHOTO IND11 citations74
US4822711AApr 18, 1989
Electrostatic image-developing process using a magnetic roller
KONISHIROKU PHOTO IND18 citations74
US4814818AMar 21, 1989
Developer layer forming apparatus
KONISHIROKU PHOTO IND7 citations74
US4585326AApr 29, 1986
Developing electrophotographic image using magnets and magnetic material
KONISHIROKU PHOTO IND7 citations74
US5276491AJan 4, 1994
Image forming apparatus
KONISHIROKU PHOTO IND11 citations73
US5260752ANov 9, 1993
Image forming method including an additional exposing step
KONISHIROKU PHOTO IND11 citations73
US5153653AOct 6, 1992
Image forming apparatus
KONISHIROKU PHOTO IND18 citations73
US5024181AJun 18, 1991
Method for the development of an electrostatic latent image
KONISHIROKU PHOTO IND12 citations73
US4908291AMar 13, 1990
Method of regulating the thickness of a developer layer containing magnetic carrier and toner particles
KONISHIROKU PHOTO IND12 citations73
US4669864AJun 2, 1987
Image forming apparatus
KONISHIROKU PHOTO IND16 citations73
US5172174ADec 15, 1992
Transfer device with insulated shield
KONISHIROKU PHOTO IND2 citations62
US5459563AOct 17, 1995
Method of forming a multicolor toner image on a photoreceptor and transferring the formed image to a recording sheet
KONISHIROKU PHOTO IND4 citations60
US6584297B2Jun 24, 2003
Image fixing device and image forming apparatus equipped therewith
KONISHIROKU PHOTO IND1 citations52
KONICA MINOLTA HOLDINGS INC
2 patentsKONICA MINOLTA BUSINESS TECH
2 patentsUS7187900B2Mar 6, 2007
Image forming apparatus having a fixing device for fixing toner image formed on a sheet by an endless fixing belt engaged with a fixing roller
KONICA MINOLTA BUSINESS TECH5 citations63
US7187894B2Mar 6, 2007
Image forming apparatus having a heat belt
KONICA MINOLTA BUSINESS TECH2 citations63