P

Inventor

KOIZUMI MINORU

JP48 patents
⚠️ This page may combine multiple inventors who share the name “KOIZUMI MINORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

37 patents
US6292098B1Sep 18, 2001

Surveillance system and network system

HITACHI LTD110 citations98
US5872924AFeb 16, 1999

Collaborative work support system

HITACHI LTD214 citations98
US7142512B1Nov 28, 2006

Network measurement controlling system apparatus and method

HITACHI LTD69 citations97
US6708209B1Mar 16, 2004

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

HITACHI LTD79 citations97
US6081265AJun 27, 2000

System for providing a same user interface and an appropriate graphic user interface for computers having various specifications

HITACHI LTD196 citations97
US6249877B1Jun 19, 2001

Method and apparatus for recovering data for a file in a plurality of equipments

HITACHI LTD68 citations96
US5117458AMay 26, 1992

Secret information service system and method

HITACHI LTD111 citations96
US6501377B2Dec 31, 2002

Surveillance system and network system

HITACHI LTD48 citations95
US5841977ANov 24, 1998

Computer-based conferencing system with local operation function

HITACHI LTD57 citations95
US5727149AMar 10, 1998

Network interface apparatus and data transmission control method thereof

HITACHI LTD74 citations95
US6111883AAug 29, 2000

Repeater and network system utilizing the same

HITACHI LTD66 citations94
US5561802AOct 1, 1996

Method for managing programs with attribute information and developing loaded programs

HITACHI LTD35 citations93
US4794519ADec 27, 1988

Method and system for editing distributed files in a data transmission system

HITACHI LTD28 citations93
US4789986ADec 6, 1988

Method for checking consistency of distributed data

HITACHI LTD25 citations93
US7216166B2May 8, 2007

Network management apparatus and network management method

HITACHI LTD24 citations92
US6693533B2Feb 17, 2004

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

HITACHI LTD23 citations92
US5097412AMar 17, 1992

Method for simulating the operation of programs in a distributed processing system

HITACHI LTD45 citations92
US4803683AFeb 7, 1989

Method and apparatus for testing a distributed computer system

HITACHI LTD40 citations90
US6754212B1Jun 22, 2004

Repeater and network system utililzing the same

HITACHI LTD53 citations89
US7945614B2May 17, 2011

Space-time communication system

HITACHI LTD17 citations83
US7295512B2Nov 13, 2007

Performance enhanced TCP communication system

HITACHI LTD19 citations82
US4888683ADec 19, 1989

Method and apparatus for loading programs in a distributed processing system

HITACHI LTD23 citations82
US4797885AJan 10, 1989

Distributed processing system and method

HITACHI LTD21 citations81
US5506962AApr 9, 1996

Distributed processing system and method for job execution using a plurality of processors and including identification of replicated data

HITACHI LTD11 citations74
US5335324AAug 2, 1994

Distributed processing system and method for job execution using a plurality of processors and including identification of replicated data

HITACHI LTD11 citations74
US5291591AMar 1, 1994

Method of managing programs for distributed processing systems and apparatus therefor

HITACHI LTD11 citations74
US4785397ANov 15, 1988

Method and apparatus for loading programs in a distributed processing system

HITACHI LTD11 citations74
US5313632AMay 17, 1994

Method for processing data in a distributed processing system

HITACHI LTD15 citations73
US5146559ASep 8, 1992

System for recognizing program constitution within a distributed processing system by collecting constitution messages generated by different processors

HITACHI LTD8 citations73
US4953096AAug 28, 1990

Test method and apparatus for distributed system

HITACHI LTD15 citations73
US7292851B2Nov 6, 2007

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

HITACHI LTD5 citations72
US5748893AMay 5, 1998

Network interface apparatus

HITACHI LTD10 citations71
US5706430AJan 6, 1998

Method and system for sequentially broadcasting data according to pre-assigned time slots with and without the reception of a synchronization packet

HITACHI LTD8 citations70
US7733791B2Jun 8, 2010

Communication path monitoring system

HITACHI LTD4 citations62
US4837762AJun 6, 1989

Data transmission control method and apparatus

HITACHI LTD4 citations62
US7076247B2Jul 11, 2006

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

HITACHI LTD2 citations61
US7953408B2May 31, 2011

Message transmission system using an area address to transmit messages

HITACHI LTD0 citations51

GROOVE X INC

5 patents

HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD

2 patents

TOHOKU RIKO KK

1 patent

HITACHI SOFTWARE ENG

1 patent

FRAUNHOFER GES FORSCHUNG

1 patent

HITACHI INDUSTRY & CONTROL SOLUTIONS LTD

1 patent