Those are the latest patents from: Panasonic, Sony, Canon and Samsung.
Panasonic filed a patent for a camera with a retractable grip and swivel LCD screen:
Here is another patent from Panasonic for a different type of swivel LCD screen:
Patent 2011090099 from Panasonic is for a 46-188mm m4/3 zoom lens:
Patent 20110115963 from Sony is for a 50mm f/1.4 full frame lens:
FNo. = 1.443, f = 51.54, .omega. = 23.17.degree
Canon filed a patent 2011-081062 in Japan for a 24-70mm f/2.8 lens with a 17/12 design (the existing 24-70 is 16/13 design):
Canon filed a patent 2011-090190 in Japan for a 18-270mm zoom lens:
Canon filed a patent for a 2.0x and 1.8x teleconverters with diffractive optics:
Canon filed a patent for a three-layer sensor:
Samsung filed a patent for transparent pixel patent:
