Inventor
ISHITOYA MITSUAKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “ISHITOYA MITSUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RISO KAGAKU CORP
6 patentsUS6894807B1May 17, 2005
Method and apparatus for printing a black-and-white image based on color image information
RISO KAGAKU CORP8 citations68
US7409907B2Aug 12, 2008
Stencil printing machine with a plurality of drum units and method of controlling the same
RISO KAGAKU CORP2 citations61
US6354201B1Mar 12, 2002
Stencil printer
RISO KAGAKU CORP2 citations60
US6595126B2Jul 22, 2003
Printing control device for printing machine having plural printing drums
RISO KAGAKU CORP4 citations53
US7661357B2Feb 16, 2010
Stencil printing machine with a plurality of drum units and method of controlling the same
RISO KAGAKU CORP0 citations51
US9723175B2Aug 1, 2017
Image processing apparatus for monochrome conversion and image forming apparatus including the same
RISO KAGAKU CORP1 citations50