The BoJ has been throwing money at the economy for decades with little activity/inflation (and some bouts of deflation):
* https://fred.stlouisfed.org/graph/?g=PA7P
Japan has been in the doldrums since (at least) 1998:
* https://www.brookings.edu/bpea-articles/its-baaack-japans-sl...
* https://en.wikipedia.org/wiki/Secular_stagnation