About NORITAKE Masatoshi
About NTT FACILITIES, INC., JPN
About HIROSE Keiichi
About NTT FACILITIES, INC., JPN
About YAMASAKI Mikio
About NTT FACILITIES, INC., JPN
About OOSAWA Takahiro
About NTT DATA CORP., JPN
About MIKAMI Hitoshi
About NTT DATA CORP., JPN
About Intelec
About DC power source
About power distribution system
About information technology
About communication technology
About computer system(hardware)
About memory(computer)
About energy saving
About stability
About power converter
About data center
About power efficiency
About greenhouse effect gas
About discharge
About performance analysis
About HVDC
About server
About information and communication technology
About Computer networks
About Interior power distribution,power source equipment
About HVDC
About 配電システム
About ICT
About 設備
About 評価