This means that Toshiba will be sponsoring rugby’s showcase event for a third straight edition.
Japan will represent Asia in the 20-team event, which will be held from September 18 to October 31.
Bernard Lapasset, Chairman of Rugby World Cup Limited, said: “We are delighted to be extending our long-standing and highly successful partnership with Toshiba.
"The appointment of a global leader in the electronics field further underscores the strength of the Rugby World Cup brand in the global sports sponsorship marketplace.
"We look forward to working in partnership with Toshiba to project what promises to be a very special and record-breaking Rugby World Cup, attract and engage new audiences, and inspire more men, women and children to get involved with and participate in rugby," he added.