The latest Olympus and other Micro Four Thirds lens patents:
Sigma 12mm f/1.4 lens for Micro Four Thirds patent
Konica 50-250mm f/4.5-5.8 lens for Micro Four Thirds patent (some MFT lenses are designed by Konica)
Olympus 300mm f/4, 400mm f/4 and 500mm f/4 lens patents
Another Olympus patent for 200mm f/3.2, 300mm f/4, 400mm f/5.6 and 17mm f/1.2 MFT lenses
