About TSUJIKAWA MASAO
About UTA TAKAKI
About KOHIYAMA TOMOHISA
About administration system
About marker
About active control
About LF
About RFID tag
About semi-active control
About management system to enter or leave a room
About hands free
About Other information processing
About Safety management
About 人
About 電波
About センシング技術
About ハンズフリー
About 入退室管理システム
About 日立
About 技術概要
About 応用