P

Inventor

MATSUI SUSUMU

JP72 patents
⚠️ This page may combine multiple inventors who share the name “MATSUI SUSUMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

37 patents
US6636587B1Oct 21, 2003

Information reception processing method and computer-telephony integration system

HITACHI LTD169 citations99
US6563806B1May 13, 2003

Base station for multi-carrier TDMA mobile communication system and method for assigning communication channels

HITACHI LTD409 citations99
US5604737AFeb 18, 1997

Voice communication system and voice communication method

HITACHI LTD517 citations99
US5528284AJun 18, 1996

Video communication method having refresh function of coding sequence and terminal devices thereof

HITACHI LTD230 citations99
US5905495AMay 18, 1999

Communication system using electronic mail

HITACHI LTD96 citations98
US5477542ADec 19, 1995

Method and appartus for controlling multimedia information communication

HITACHI LTD120 citations98
US5303344AApr 12, 1994

Protocol processing apparatus for use in interfacing network connected computer systems utilizing separate paths for control information and data transfer

HITACHI LTD200 citations98
US5056058AOct 8, 1991

Communication protocol for predicting communication frame type in high-speed processing system

HITACHI LTD157 citations98
US6275518B1Aug 14, 2001

Frequency hopping radio LAN system and frequency hopping control method

HITACHI LTD138 citations97
US6073075AJun 6, 2000

Method and system for providing information for a mobile terminal

HITACHI LTD275 citations97
US6731621B1May 4, 2004

Mobil communication system for providing IP packet communications and method for routing IP packets

HITACHI LTD83 citations96
US6240085B1May 29, 2001

Voice communication system and voice communication method

HITACHI LTD43 citations96
US6134431AOct 17, 2000

Personal station authentication system and authentication method

HITACHI LTD68 citations96
US5315705AMay 24, 1994

Communication address management system

HITACHI LTD62 citations96
US6434479B1Aug 13, 2002

Method and system for providing information for a mobile terminal and a mobile terminal

HITACHI LTD58 citations95
US6041408AMar 21, 2000

Key distribution method and system in secure broadcast communication

HITACHI LTD46 citations94
US6519243B1Feb 11, 2003

Communication system for communications devices utilizing asymmetrical paths and communications method utilizing asymmetrical paths

HITACHI LTD50 citations93
US7567673B2Jul 28, 2009

Common key sharing method and wireless communication terminal in ad hoc network

HITACHI LTD20 citations92
US7085579B2Aug 1, 2006

Mobile communication systems, mobile stations, base station controllers and packet data service nodes

HITACHI LTD47 citations92
US6483835B1Nov 19, 2002

Communication system with communication route retrieval and selection function

HITACHI LTD31 citations92
US6347303B2Feb 12, 2002

System configuration proposal method and tool therefor

HITACHI LTD54 citations92
US5856825AJan 5, 1999

Image voice synchronized multimedia mail system and method thereof

HITACHI LTD39 citations92
US5854841ADec 29, 1998

Communication system

HITACHI LTD28 citations92
US4881167ANov 14, 1989

Data memory system

HITACHI LTD46 citations92
US6882933B2Apr 19, 2005

Method and system for providing information for a mobile terminal and a mobile terminal

HITACHI LTD22 citations91
US6816890B2Nov 9, 2004

Gateway apparatus with LAC function

HITACHI LTD19 citations89
US7236992B2Jun 26, 2007

Storage system

HITACHI LTD17 citations84
US7009950B1Mar 7, 2006

Mobile IP network system and connection switching method

HITACHI LTD19 citations84
US7869601B2Jan 11, 2011

Authentication method of ad hoc network and wireless communication terminal thereof

HITACHI LTD10 citations83
US7167467B2Jan 23, 2007

Voice communication system and voice communication method

HITACHI LTD4 citations74
US6360247B1Mar 19, 2002

Information processing system, communication method, and recording medium

HITACHI LTD8 citations74
US5907676AMay 25, 1999

Information processing system, communication method, and recording medium

HITACHI LTD15 citations74
US6512829B1Jan 28, 2003

Key distribution method and system in secure broadcast communication

HITACHI LTD8 citations72
US6981026B2Dec 27, 2005

Gateway apparatus with LAC function

HITACHI LTD6 citations71
US5832217ANov 3, 1998

Communication system distributing packets according to commands acquired form packets and filtering real time requests from the accepted requests and processing the realtime requests selected by the filter

HITACHI LTD5 citations63
US7873383B2Jan 18, 2011

Wireless communication device, controlling method and program therefor

HITACHI LTD4 citations62
US7701935B2Apr 20, 2010

Data communication between networks using relay devices

HITACHI LTD4 citations62

TAKARA SHUZO CO

7 patents

TOSHIBA KK

2 patents

KONISHIROKU PHOTO IND

2 patents

SIEMENS MEDICAL SOLUTIONS

1 patent

KONICA CORP

1 patent

Showing the top 50 of 72 patents by PatentIndex Score.