Inventor
MATSUZAKI KOICHI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “MATSUZAKI KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKI DATA KK
9 patentsUS5839021ANov 17, 1998
Developing unit for an electrophotographic printer employing a supply roller for transferring toner to a developing roller
OKI DATA KK27 citations91
US7330683B2Feb 12, 2008
Circumferential speed and developer characteristics
OKI DATA KK6 citations61
US7260348B2Aug 21, 2007
Image forming apparatus having a toner-supplying roller and a developing roller configured to meet a specific parameter
OKI DATA KK2 citations61
US7099610B2Aug 29, 2006
Image forming apparatus
OKI DATA KK4 citations61
US6009299ADec 28, 1999
Electrophotographic imaging apparatus using multi-layered toner
OKI DATA KK4 citations61
US7261990B2Aug 28, 2007
Toner particles for image forming apparatus
OKI DATA KK0 citations50
US9316962B2Apr 19, 2016
Image formation apparatus and image formation method for forming an image on a folded print medium
OKI DATA KK0 citations40
US8027604B2Sep 27, 2011
Image forming apparatus having a voltage change determiner
OKI DATA KK0 citations40
US7395017B2Jul 1, 2008
Image forming apparatus
OKI DATA KK0 citations40