TOKYO--(BUSINESS WIRE)--Toshiba Corporation (TOKYO: 6502) today announced that it will reinforce its power systems business in North America by merging three current businesses into a new company: the thermal and hydro power business operated by Toshiba International Corporation (TIC); the steam turbine and generator (STG) business for nuclear power systems operated by Toshiba America Nuclear Energy Corporation (TANE); and the STG business for nuclear power systems operated by Westinghouse Elec