Telecoms 5g

KDDI Corporation is a major Japanese telecommunications company providing mobile phone services, fixed-line communications, and internet services. It operates primarily in Japan but also has business interests across Asia and other regions. The company offers a range of products including mobile handsets, broadband services, and data centers.

Nippon Telegraph and Telephone Corporation (NTT) is a Japanese telecommunications company providing fixed-line and mobile phone services, internet connectivity, and data communication solutions. It operates primarily in Japan but also has business interests in global markets through subsidiaries and partnerships. NTT offers a range of services including network infrastructure, cloud computing, and system integration.

NTT Docomo is Japan's leading mobile network operator, providing wireless voice, data, and multimedia services primarily within Japan. The company offers a range of telecommunications products including smartphones, mobile broadband, and IoT solutions. It operates an extensive 4G and 5G network across the country.