Sumitomo Electric: 2021 US to GaN device production for 5G: world’s largest share of 70%
Japan 5G: Predict base station investment amount: NTT Docomo, KDDI, SoftBank
NEC: Rakuten Mobile, 5G base station equipment: Radio unit RU / mass production started
DNP: 5G compatible, transparent antenna film: metal wiring / mesh formation
5G in Japan: Taisei Corporation-Remote control, NEC-Wireless plant: 5G business case