Inventor
HONGO SADAYUKI
JP22 patents
⚠️ This page may combine multiple inventors who share the name “HONGO SADAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTT DOCOMO INC
13 patentsUS7142847B2Nov 28, 2006
Mobile communication system, resource switching method thereof, network control apparatus included therein, same and network control method
NTT DOCOMO INC50 citations92
US7814557B2Oct 12, 2010
IC card and access control method
NTT DOCOMO INC8 citations84
US7403924B2Jul 22, 2008
Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and electronic book distributing program
NTT DOCOMO INC15 citations84
US7287165B2Oct 23, 2007
IC card, portable terminal, and access control method
NTT DOCOMO INC18 citations84
US7031695B2Apr 18, 2006
Portable terminal, access control method, and access control program
NTT DOCOMO INC16 citations84
US7975029B2Jul 5, 2011
Terminal equipment
NTT DOCOMO INC6 citations62
US7896236B2Mar 1, 2011
Electronic value exchange system and electronic value exchange method
NTT DOCOMO INC4 citations62
US7861293B2Dec 28, 2010
Mobile terminal and authentication method
NTT DOCOMO INC2 citations62
US7590591B2Sep 15, 2009
Electronic value exchange system and electronic value exchange method
NTT DOCOMO INC2 citations62
US7346042B2Mar 18, 2008
Information distributing method, information distributing system, information distributing server, mobile communication network system and communication service providing method
NTT DOCOMO INC6 citations58
US7882030B2Feb 1, 2011
Connection information management system for managing connection information used in communications between IC cards
NTT DOCOMO INC0 citations41
US7865438B2Jan 4, 2011
Electronic value exchange method, user device, and third-party device
NTT DOCOMO INC0 citations41
US7500605B2Mar 10, 2009
Tamper resistant device and file generation method
NTT DOCOMO INC0 citations41
SAKAMURA KEN
9 patentsUS8306919B2Nov 6, 2012
IC card and authentication method in electronic ticket distribution system
SAKAMURA KEN46 citations97
US7580897B2Aug 25, 2009
IC card and authentication method in electronic ticket distribution system
SAKAMURA KEN21 citations92
US7357329B2Apr 15, 2008
IC card, terminal device, and data communication method
SAKAMURA KEN11 citations84
US7346718B2Mar 18, 2008
Autonomous integrated-circuit card
SAKAMURA KEN14 citations84
US8122261B2Feb 21, 2012
Data communication apparatus and data communication method
SAKAMURA KEN7 citations83
US7416114B2Aug 26, 2008
Electronic value transfer device equipped with non-contact IC interface
SAKAMURA KEN1 citations52
US7340243B2Mar 4, 2008
Connection information management system for managing connection information used in communications between IC cards
SAKAMURA KEN1 citations52
US8468094B2Jun 18, 2013
Electronic value exchange system, mobile terminal, and electronic value exchange method
SAKAMURA KEN0 citations41
US8161499B2Apr 17, 2012
Data processing device and data processing method
SAKAMURA KEN0 citations41