Cut an ear of corn in half. Then slice corn kernels off the cob.
Wash rice and put in the rice cooker's removable bowl. Add salt and Sake, add enough water to reach the line for 2 cups of rice, and stir. Add kernels and also the cob on top of the rice. Cook in the mixed rice or white rice mode.
When it's done cooking, remove the cob, mix rice and corn well.