Japanese 20 dot mincho font named `kappa font'.

You can use 
    "k20m"      medium mincho
    "k20b"      bold mincho
    "10x20m"    ascii
    "10x20b"    bold ascii
    "10x20rkm"  kana
    "10x20rkb"  bold kana

A simple usage:
    % kterm -fn 10x20b -fr 10x20rkb -fk k20b