BOJ Governor Haruhiko Kuroda

BOJ Governor Haruhiko Kuroda

Haruyoshi Yamaguchi/Bloomberg

Haruhiko Kuroda, governor of the Bank of Japan, said the BOJ may scrap a rule limiting the scale of asset buying and scoop up longer-maturity bonds to reach the price target, which the BOJ adopted in January at the urging of Prime Minister Shinzo Abe.