(どくとく) Unique:use this about a person, or an artwork.
(とくしゅ) Unique – use this about an invention or object. (it’s closer to 特別)
(ざんしん) Innovative, original, cutting-edge. Use this about products or IDEAS. Does not have to be the only one of its kind in the world. 斬新 emphasizes the newness of the product or idea.