The owner saidthe five-year notes carry zero interest.
The issue went onsale on Wednesday and is managed by Mizuho International and NomuraInternational.
Last week, rival NYKsaid it had issued two unsecured bonds worth JPY 20bn each – one with afive year tenure and the second with a seven year lifespan.
Both bonds, which carry coupons of only 0.572% and 0.939%, secured an A+rating from the Japan Credit Rating Agency.
