Jetraw by Dotphoton compresses RAW image data without loss of information up to a factor of ten. It starts before the image is created and uses knowledge of the noise behavior of the camera detector to compress image data. The company is currently working on enabling users to load and save Jetraw images directly.
247MP CMOS by Sony
Sony recently released a 247MP rolling shutter CMOS image sensor available in monochrome (IMX811-AAMR) and color (IMX811-AAQR) variants which have a 64.84mm diagonal, a square pixel array, as well as 5.3fps.