An electric rice cooker is a must-have appliance in the Japanese kitchen. The practical model was first released in the mid-fifties. Soon they were improved to equip with a cooking timer that saved users from being attentive as it switched on itself at your preferred time and turned off automatically when rice is ready. Various sizes are available according to the size of a family The smallest could cook only less than a cup of rice which is suitable for a single-family though the most common size range is from 3gou (450g) to 8gou (1,200g). A commercial purpose cooker can ...