While in Japan, I noticed that in a few instances I could use Mastercard but not Visa. Specifically, I could use Apple Pay with a Mastercard to add money to my

While in Japan, I noticed that in a few instances I could use Mastercard but not Visa. Specifically, I could use Apple Pay with a Mastercard to add money to my Suica card but not use a Visa. I figured it was some bug or my Visa blocking me, but a friend mentioned it to me. He had bumped into the same problem and somehow deduced that it was (likely) due to not working with Visa.