1 Subjects: “...touch sensor...”

2 Subjects: “...society;robot;human-robot;social robotics;social robots;social touch interaction...”

3 Subjects: “...touch sensor...”

4 Subjects: “...touch interface...”

5 Subjects: “...touch screen panel...”

6 Subjects: “...touch-screen sensor...”

7 Subjects: “...touch voltage...”

8 Subjects: “...step and touch potentials...”

9 Subjects: “...ciliary bodies touch beam...”