
Canon filed patent 2011-253050 in Japan for the following prime lenses: 50mm f/1.4 lens 85mm f/1.2 lens 85mm f/1.8 lens

Fuji was granted a patent 8053661 for an organic sensor. Some readers speculated yesterday that this sensor may be used in the upcoming Fuji LX mirrorless interchangeable lens camera. From the patent’s summary: An object of the present invention is to provide an organic photoelectric conversion layer exhibiting high photoelectric conversion efficiency, low dark current and high-speed responsivity, […]
Canon patent for lens with aperture ring: Canon 100-400mm f/4-5.6 lens patent:
Olympus patent for contrast AF mount adapter: Canon patent for wireless TTL flash and multi camera sync:
Panasonic patent for RGB color separation Panasonic patent for extending zoom range by cropping (digital zoom) Panasonic patent for reflective mirror AF to improve speed Panasonic patent for bouncing flash unit Olympus patent for global shutter Olympus patent to achieve a very fast flash sync speed Pentax patent for a sensor that reduces ghosting Canon […]
Canon’s patent 2011-145518 for a 16-35mm f/2.8 lens: Publication date: Jule 28th, 2011 Patent filing date: January 15th, 2010 Focal length: 16.48 – 33.95 mm Aperture: 2.91 Half angle of view: 52.70 – 32.51 ° 4 aspherical elements Zoom ratio: 2.06

Canon filed a patent 2011-107255 in Japan for a mount adapter with a built-in aperture. The adapter will have means of communication between the camera and the lens. The aperture in the adapter can be controlled electronically. The camera body on the diagram resembles some kind of a mirrorless solution.
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: