Inventor
MIYATA TATSUHIKO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “MIYATA TATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS7716293B2May 11, 2010
Presence information sharing method and system
HITACHI LTD161 citations98
US7813299B2Oct 12, 2010
Session control system for hierarchical relaying processes
HITACHI LTD27 citations92
US7720952B2May 18, 2010
Presence information management system and presence information management server
HITACHI LTD15 citations82
US7394804B2Jul 1, 2008
Message conversion server and IP telephone
HITACHI LTD19 citations82
US7668911B2Feb 23, 2010
Presence server, session control server, and packet relay system
HITACHI LTD7 citations72
US10216593B2Feb 26, 2019
Distributed processing system for use in application migration
HITACHI LTD1 citations54
US9955027B2Apr 24, 2018
Affiliated service provision method
HITACHI LTD1 citations51
US11340969B2May 24, 2022
Processing system for data distribution and program thereof
HITACHI LTD0 citations49
US10425273B2Sep 24, 2019
Data processing system and data processing method
HITACHI LTD0 citations41
US9736235B2Aug 15, 2017
Computer system, computer, and load balancing method
HITACHI LTD0 citations38