If we define capacitors in three categories, standard, super and ultra. I would say this falls into the super capacitor range. They seemed to have solved some of the problems inherent to using capacitors for storage, but it will require testing to verify.
Here is another take on it based upon someone else's review of the patent.
http://ipdiscover.com/pipermail/newcandle_ipdiscover.com/2006-March/000480.html