What are the series of SUSUMU resistors?

The series information of SUSUMU resistors is as follows:
Ultra precision thin-film surface mount resistor:
RG series: ultra precision grade.
RR series: precision grade.
RN73 series: precision grade.
Thin film adjustable resistance:
RT series.
Current detection resistor:
Milliohm resistance (RL series).
Small high-power type.
Metal foil low resistance (KRL short side electrode series, KRL long side electrode series, ERL short side electrode series, ERL long side electrode series).
4-terminal current detection resistor.
4-terminal metal foil low resistance resistor.
High current micro ohm level surface mount resistor.
Thin film patch network resistor:
RA series.
RM series.
RN series, RN W series.