Classifications for NTT Docomo Inc
- H04W
- Wireless Communication Networks
- H04L
- Transmission Of Digital Information, E.g. Telegraphic Communication
- H04B
- Transmission
- H04J
- Multiplex Communication
- Y02D
- Climate Change Mitigation Technologies In Information And Communication Technologies [ict], I.e. Information And Communication Technologies Aiming At The Reduction Of Their Own Energy Use