"The profits environment for financial institutions has clearly been in a deteriorating trend," said Kanetsugu Mike, who is also the head of Mitsubishi UFJ Financial Group Inc's banking unit.

The BOJ in December unveiled a plan to examine more effective ways to achieve its 2% inflation target, and said it would announce the findings of the review in March.

(Reporting by Takashi Umekawa; Editing by Kim Coghill)