Inventor
KAIYAMA AKIRA
JP9 patents
⚠️ This page may combine multiple inventors who share the name “KAIYAMA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NTT DOCOMO INC
5 patentsUS7401357B2Jul 15, 2008
Authentication system, mobile terminal, and authentication method
NTT DOCOMO INC10 citations81
US6985730B2Jan 10, 2006
Mobile communication control method and system
NTT DOCOMO INC3 citations61
US6937859B2Aug 30, 2005
Mobile communication service control system and mobile communication service control method
NTT DOCOMO INC2 citations61
US7130402B2Oct 31, 2006
Communication request processing system communication request processing method communication request processing apparatus
NTT DOCOMO INC4 citations57
US6907240B2Jun 14, 2005
Communications control system, communications control method, service control station, and communications control station
NTT DOCOMO INC1 citations47
NIPPON TELEGRAPH & TELEPHONE
4 patentsUS5673260ASep 30, 1997
Method and system for CDMA mobile communication
NIPPON TELEGRAPH & TELEPHONE154 citations97
US5615210AMar 25, 1997
Mobile radio communications system
NIPPON TELEGRAPH & TELEPHONE86 citations94
US6671289B1Dec 30, 2003
Short cell multiplexed ATM transmission system and transmission method
NIPPON TELEGRAPH & TELEPHONE24 citations92
US6314300B1Nov 6, 2001
Mobile communication system for supporting multiple simultaneous communications on single mobile terminal
NIPPON TELEGRAPH & TELEPHONE46 citations91