Inventor
SASAGAWA TETSUHIRO
JP5 patents
Patents
5 patentsUS9779568B2Oct 3, 2017
Locking control device, locking control system, and locking control method
NTT DOCOMO INC5 citations68
US9141163B2Sep 22, 2015
Portable terminal, recording medium
NTT DOCOMO INC3 citations58
US9237508B2Jan 12, 2016
Mobile terminal and information reading preventing method
NTT DOCOMO INC0 citations48
US10409975B2Sep 10, 2019
Short-range communication device, function control method and function control system
NTT DOCOMO INC0 citations36
US10129030B2Nov 13, 2018
Information delivery system, information delivery method, short-range communication device, information delivery apparatus, and server
NTT DOCOMO INC0 citations36