That's a good find, but note that the name is a bit misleading: "Tokyo Metro" is only one of many train/subway corporations in Tokyo, so the pass is far more re

That's a good find, but note that the name is a bit misleading: "Tokyo Metro" is only one of many train/subway corporations in Tokyo, so the pass is far more restrictive than the London one. There are a few company-specific passes like this but they're rarely economical since you have to change company to get pretty much anywhere except on your own line.