About HIKIHARA TAKASHI
About electric power system
About packet
About technical progress
About energy system
About information network
About electric power management
About routing
About modification
About smart grid
About communication operation
About power network
About next generation
About information technologization
About routing
About computerization
About Energy consumption and energy saving
About Other information processing
About エネルギー
About 情報化
About パケット
About ルーティング