Inventor
HORIGUCHI SHOICHI
JP6 patents
Patents
6 patentsUS7984506B2Jul 19, 2011
Digital right management system, content server, and mobile terminal
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US7941128B2May 10, 2011
Data backup system
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US7346042B2Mar 18, 2008
Information distributing method, information distributing system, information distributing server, mobile communication network system and communication service providing method
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US11812326B2Nov 7, 2023
Check-in determining device
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US11570746B2Jan 31, 2023
Check-in determination device
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US11432111B2Aug 30, 2022
Information processing device
NTT DOCOMO INC0 citations45