Why the Zojirushi Rice Cooker Stands Out The Zojirushi 5.5-Cup Rice Cooker uses fuzzy logic technology to automatically adjust temperature and moisture levels throughout the cooking process. This precision means you get consistent, restaurant-quality rice every time without monitoring the pot or worrying about timing. The locking lid retains moisture during cooking, while the keep-warm function maintains rice quality for extended periods without drying out or overcooking.