I mean, there are normal consumer protection rules. But it's actually commonplace for a lot of appliances at least in Germany and Japan to have a 10 year operational guarantee. I don't really how you can enforce it in either place, but it does seem to me that at least the big traditional companies to stick to these periods for bigger appliances such as air conditioning, fridges, washing machines etc. Interestingly for smaller more modern devices, like say, a table top dishwasher, you're lucky if these things last a year and you'll have a hard time enforcing the 2 year warranty even with the help of the consumer protection agency.