
Here is an update on the latest patents since my last post:
Few new lens patents for 4/3 cameras: Olympus filed patents for 15mm f/2, 17mm f/1.8 and 17mm f/2.8 pancake lenses for 4/3 sensors. Sigma filed a patent for 75mm f/1.8 lens (150mm equivalent) for 4/3 sensors.