P

Inventor

EBATA TOMOICHI

JP21 patents
⚠️ This page may combine multiple inventors who share the name “EBATA TOMOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

14 patents
US6513061B1Jan 28, 2003

Proxy server selecting server and proxy server

HITACHI LTD497 citations98
US6292098B1Sep 18, 2001

Surveillance system and network system

HITACHI LTD110 citations98
US7142512B1Nov 28, 2006

Network measurement controlling system apparatus and method

HITACHI LTD69 citations97
US6973485B2Dec 6, 2005

Proxy server selecting server and proxy server

HITACHI LTD73 citations97
US6708209B1Mar 16, 2004

Network system having plural networks for performing quality guarantee among the networks having different policies

HITACHI LTD79 citations97
US6487542B2Nov 26, 2002

Method and apparatus for managing electronic money and storage for storing an electronic money management program

HITACHI LTD71 citations96
US6501377B2Dec 31, 2002

Surveillance system and network system

HITACHI LTD48 citations95
US6693533B2Feb 17, 2004

Method of controlling quality of communication among a plurality of clients over a network

HITACHI LTD23 citations92
US7945614B2May 17, 2011

Space-time communication system

HITACHI LTD17 citations83
US7292851B2Nov 6, 2007

Communication support system, information processing terminal, radiotelephone network, message server, and recording medium

HITACHI LTD5 citations72
US7076247B2Jul 11, 2006

Communication support system, information processing terminal, radiotelephone network, message server, and recording medium

HITACHI LTD2 citations61
US7994970B2Aug 9, 2011

Positioning system, position information transmitter, communication terminal, and control method of the positioning system

HITACHI LTD2 citations57
US12367535B2Jul 22, 2025

Community evaluation system, community evaluation method, behavior evaluation system, and behavior evaluation method

HITACHI LTD0 citations51
US7953408B2May 31, 2011

Message transmission system using an area address to transmit messages

HITACHI LTD0 citations51

KAWAGUCHI TAKAMASA

3 patents

HITACHI AUTOMOTIVE SYSTEMS LTD

1 patent

EBATA TOMOICHI

1 patent

MONDEN KAZUYA

1 patent

HITACHI INDUSTRY & CONTROL SOLUTIONS LTD

1 patent