I just worte an email to the hotel and it came back,I looked on there site for another email address and couldn't find anything regarding conact us,
Does anybody know?
It's going to be REALLY hard to answer you since Tripadvisor won't allow website names in replies.
Soooo, google shinjuku-prince-hotel-faq.pdf and the first result should be the FAQ that has an email contact at the bottom of it.
Maybe you can try Google to look for their website.
Get an answer from Shinjuku Prince Hotel staff and past guests.