Canon has a similar patent as well, a couple of years old. The issue is making one that is competitive. With all the camera manufacturers hurting for sales, it would be a big risk to come out with something completely new, because people have stopped buying luxury items.
Most of the high end sales are in europe and the USA, and the storm on the east coast will be tieing up the money of many people potentially for years. So, R&D keeps going, but production is going to be very cautious.