IsMyDea only certifies that you have entered content in its registers at a certain date and time.

Registering content on IsMyDea is NOT the same as filing a patent application. IsMyDea does NOT provide certificates of authenticity or ownership of what is deposited in its registers. The user who asks isMyDea to publish contents guarantees that they do not infringe on the rights of third parties or mandatory rules. Otherwise, he will be called to answer for all the consequences that may derive from his conduct.

Patentable inventions must be made public after the relative patent application has been filed,

YOU CAN register them on isMyDea but you MUST NOT make them public.