(SR4) New Sony “foveon similar” sensor tecnology?

Patent application 20090303371 shows a new Sony CMOS sensor based on the Sigmas Foveon tecnology. That means that each pixel can capture RGB colors.
“Accordingly, in order to utilize the incident light amount efficiently as well as to prevent occurrence of false colors, a method of separating colors by forming plural photodiodes in a pixel in the depth direction of a substrate has been developed.â€
via: photorumors

The Sony rumors summary… | sonyalpharumors
3 years ago |[...] we should expect a future Sony Alpha 3D camera. Photorumors found a new Sony “foveon similar†sensor tecnology patent. Again photorumors recieved a rumor saying that Sony A450 and Sony A800 are going to be unveiled in [...]