Canon filed a new patent in Japan for a 200-400mm f/4 and 280-560mm f/5.6 lenses with built-in teleconverter and image stabilization.
Olympus filed patents for Zuiko 4.7-23.5mm f/1.8-2.7 and 4.4-22mm f/1.4-2.4 lenses designed for 1/2.3" sized sensor.
Konica Minolta filed a patent for a 150mm f/2.8 lens designed for 4/3" sensor.
