Inventor
FUJII RITSUO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “FUJII RITSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONICA MINOLTA BUSINESS TECH
7 patentsUS7155149B2Dec 26, 2006
Image forming apparatus which detects abnormality condition in feeding of toner
KONICA MINOLTA BUSINESS TECH11 citations83
US7092663B2Aug 15, 2006
Image forming apparatus and image forming method
KONICA MINOLTA BUSINESS TECH14 citations82
US7403732B2Jul 22, 2008
Image forming apparatus equipped with LED printing head
KONICA MINOLTA BUSINESS TECH13 citations79
US7280796B2Oct 9, 2007
Image forming apparatus
KONICA MINOLTA BUSINESS TECH2 citations62
US7072606B2Jul 4, 2006
Electrophotographic image forming apparatus equipped with toner conveyance device
KONICA MINOLTA BUSINESS TECH5 citations62
US7062206B2Jun 13, 2006
Toner supplying apparatus and image forming apparatus
KONICA MINOLTA BUSINESS TECH6 citations62
US7082279B2Jul 25, 2006
Toner replenishment device for use in electrophotographic image forming apparatus
KONICA MINOLTA BUSINESS TECH0 citations52
KONISHIROKU PHOTO IND
3 patentsUS5920759AJul 6, 1999
Sheet curl correcting mechanism and image forming apparatus having the mechanism
KONISHIROKU PHOTO IND30 citations90
US6829463B2Dec 7, 2004
Toner replenishing method with improved storage and separation units
KONISHIROKU PHOTO IND9 citations73
US4650176AMar 17, 1987
Automatic sheet reversing apparatus
KONISHIROKU PHOTO IND13 citations72