JSK Laboratories developed Kenta, an advanced child-sized humanoid robot. It has a spine enabling it to perform whole body movements and tracks objects using eyes, neck and spine.
The JSK Laboratories and the University of Tokyo developed a whole body tendon robot called the Rabbit. It has multi-joint flexible spine and can do simple gymnastic movements.
JSK Laboratories developed TH1, a tendon driven robot prototype. This humanoid robot has flexible spines for human-like motion, and can track an object using its eyeball.