Inventor
YOKONO MASAHARU
JP4 patents
Patents
4 patentsUS5754195AMay 19, 1998
Ink-type recording apparatus detecting ink-end mark with appropriate sensitivity
RICOH KK16 citations67
US7302200B2Nov 27, 2007
Image forming apparatus
RICOH KK1 citations48
US7409178B2Aug 5, 2008
Color laser printer and detachable transfer belt unit for correcting color and position difference
RICOH KK1 citations46
US7212760B2May 1, 2007
Image forming apparatus performing improved fixing temperature control
RICOH KK1 citations46