Inventor

TSUTAZAWA NATSUKO

JP6 patents

⚠️ This page may combine multiple inventors who share the name “TSUTAZAWA NATSUKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC CORP

4 patents

US7752273B2Jul 6, 2010

Group communication system based on presence information and client device

NEC CORP65 citations97

US7814120B2Oct 12, 2010

List management server for managing updating of list by third-party terminal, list management system, list managing method, and program

NEC CORP22 citations92

US7224973B2May 29, 2007

Communication agent apparatus

NEC CORP23 citations92

US7782186B2Aug 24, 2010

Abstract state monitoring system and method for the same

NEC CORP2 citations59

TAKENOUCHI TAKAO

1 patent

US9009236B2Apr 14, 2015

Information delivery system, delivery destination control method and delivery destination control program

TAKENOUCHI TAKAO2 citations59

TSUTAZAWA NATSUKO

1 patent

US8131810B2Mar 6, 2012

Reachability realization server, management system, management method and realization program

TSUTAZAWA NATSUKO1 citations42