Tokyo Star Bank released in September, 2017, they can provide housing loan for non-permanent residents of Japan.
Loan To Value would be 50 to 90% of valuation price of property, and you can have up to 35 years housing loan.( It depends on your age, income, and property age).
Loan type would be floating, and few of fixed rate you can select.
Tokyo Star Bank is a subsidiary of mega bank, CTBC Bank, in Taiwan.
Please take a look detail at link below ;