1. NTT Device Technology LaboratoriesNTT Corporation3‐1 Morinosato‐WakamiyaAtsugi243‐0198KanagawaJapan
2. NTT Device Innovation CenterNTT Corporation3‐1 Morinosato‐WakamiyaAtsugi243‐0198KanagawaJapan
3. NTT Corporation3‐1 Morinosato‐WakamiyaAtsugi243‐0198KanagawaJapan