Sure they invented most of it, but in terms of ergonomics and layout it's blatantly designed to make cross platform titles easier, the shoulder buttons and shape is too much for sheer coincidence
So? They have still very obviously ripped off its form factor. Buttons are just standard iconography at this point.
Sorry mate, but can't really let that one go. The 4 button diamond design was Nintendo's as was the thumb stick. The dual thumb sticks was then Sony's.
Nintendo ripping off the Xbox pad, how times have changed