特許権 Manipulation monitoring system, management device and manipulation management method Yuichi Futa, Yuji Unagami, Natsume Matsuzaki, Hiroki Shizuya, Masao Sakai, Shuji Isobe, Eisuke Koizumi, Shingo Hasegawa 出願番号 WO2011135797A1, US8800038B2, EP2565812B1, CN102473222B, JP5744855B2 出願日 2011年