Inventor
TANIGAWA KEIKO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “TANIGAWA KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS7233589B2Jun 19, 2007
Communication system and communication method
HITACHI LTD160 citations98
US6618368B1Sep 9, 2003
Data gateway and method for relaying data
HITACHI LTD57 citations95
US7508822B2Mar 24, 2009
Communication system and communication method
HITACHI LTD22 citations92
US7318110B2Jan 8, 2008
Storage system, storage device and information common sharing method by utilizing storage device
HITACHI LTD21 citations92
US6483835B1Nov 19, 2002
Communication system with communication route retrieval and selection function
HITACHI LTD31 citations92
US7606859B2Oct 20, 2009
Multimedia communication system
HITACHI LTD6 citations62
US7145901B2Dec 5, 2006
Method of requesting security and release of communication band
HITACHI LTD3 citations62
US11886459B2Jan 30, 2024
Data management system and data management method
HITACHI LTD0 citations60
US12174838B2Dec 24, 2024
Computer system and data providing method
HITACHI LTD0 citations51
US11681820B2Jun 20, 2023
Computer system and data access control method
HITACHI LTD0 citations51
US12189633B2Jan 7, 2025
Computer system and search method for environment
HITACHI LTD0 citations50