Northlight Images has spotted a couple of interesting image sensor patents from Canon, along with the USPTO patents for various Canon lenses.
Image Sensor Patents
As we've said a lot over the last while, we do expect some big jumps in Canon sensor technology.
Canon Lens Patents
The EF 16-35mm f/2.8L III continues to make an appearance and we were recently told that the new lens is in the hands of select photographers.