申请人:Arai Yoshimitsu
公开号:US20070176992A1
公开(公告)日:2007-08-02
An ink composition which comprises: a dye which is represented by formula (1), which is described in the specification, and has at least one ionic hydrophilic group, wherein the dye has a molecular weight of from 310 to 500 per one ionic hydrophilic group, and a recording method which comprises: discharging ink droplets of the ink composition onto plain paper.