We check this website, now t-fal.co.jp is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is t-fal Down Right Now? - NO! t-fal is up!
If you have problem with access to site t-fal, and domain t-fal.co.jp is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).