Bank of Japan policy board member Ayano Sato said she supports gradually raising the central bank's policy interest rate, signaling openness to further hikes.Sato, one of two board members who opposed a rate hike at the BOJ's September policy meeting, said in a recent interview with Kyodo News she is concerned consumer spending could weaken but declined to comment on the timing of the next rate hike.Sato, who joined the BOJ board in June, said the timing of future rate increases should take into account trends in private consumption and income."I support the policy of adjusting (the key rat…READ FULL ARTICLE