Inventor
HOSHINO KAZUYOSHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “HOSHINO KAZUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS6633571B1Oct 14, 2003
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
HITACHI LTD144 citations99
US7716293B2May 11, 2010
Presence information sharing method and system
HITACHI LTD161 citations98
US7337465B2Feb 26, 2008
Peer-to-peer communication apparatus and communication method
HITACHI LTD68 citations97
US6907006B1Jun 14, 2005
Method and apparatus for detecting faults in IP packet communication
HITACHI LTD28 citations93
US7881311B2Feb 1, 2011
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
HITACHI LTD13 citations92
US7424519B2Sep 9, 2008
Distributed storage system, storage device and method of copying data
HITACHI LTD44 citations92
US8010793B2Aug 30, 2011
Data communication method and system
HITACHI LTD13 citations84
US7984494B2Jul 19, 2011
Computer system establishing a safe communication path
HITACHI LTD7 citations84
US7697692B2Apr 13, 2010
Cryptographic communication system and method
HITACHI LTD19 citations84
US7443986B2Oct 28, 2008
Key allocating method and key allocation system for encrypted communication
HITACHI LTD9 citations84
US8019996B2Sep 13, 2011
Method for encrypted communication with a computer system and system therefor
HITACHI LTD11 citations83
US7657035B2Feb 2, 2010
Encryption communication method and system
HITACHI LTD16 citations83
US7394804B2Jul 1, 2008
Message conversion server and IP telephone
HITACHI LTD19 citations82
US7518998B2Apr 14, 2009
IP packet communication apparatus
HITACHI LTD7 citations74
US7720227B2May 18, 2010
Encryption method for SIP message and encrypted SIP communication system
HITACHI LTD7 citations73
US7443842B2Oct 28, 2008
Communication control apparatus
HITACHI LTD8 citations73
US7346670B2Mar 18, 2008
Secure storage system
HITACHI LTD7 citations73
US7983281B2Jul 19, 2011
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
HITACHI LTD2 citations63
US8041822B2Oct 18, 2011
Service network system and server device
HITACHI LTD3 citations62
US7984290B2Jul 19, 2011
System and method for encrypted communication
HITACHI LTD4 citations62
US9124531B2Sep 1, 2015
VPN composing method, interwork router, packet communication method, data communication apparatus, and packet relaying apparatus
HITACHI LTD0 citations52
TAKATA OSAMU
3 patentsUS8218769B2Jul 10, 2012
Encrypted communication system, communication status management server, encrypted communication method, and communication status management method
TAKATA OSAMU6 citations71
US8081758B2Dec 20, 2011
Communication support server, communication support method, and communication support system
TAKATA OSAMU2 citations61
US8238555B2Aug 7, 2012
Management server, communication apparatus and program implementing key allocation system for encrypted communication
TAKATA OSAMU0 citations50