Assignee
ISHIBASHI HITOSHI
JP4 patents
Top patents by PatentIndex Score
US8279491B2Oct 2, 2012
Color image formation apparatus for forming a reference pattern with a plurality of lines having a black color as reference color and for correcting misalignment with respect to the reference pattern
ISHIBASHI HITOSHI8 citations83
US8155543B2Apr 10, 2012
Image forming apparatus capable of reducing a lengthy duration of an adjustment control
ISHIBASHI HITOSHI10 citations83
US8095025B2Jan 10, 2012
Image forming apparatus capable of efficient toner concentration control
ISHIBASHI HITOSHI7 citations83
US8103181B2Jan 24, 2012
Image forming apparatus and method of adjusting charge bias
ISHIBASHI HITOSHI0 citations51