US Patent No: 5,995,964

Number of patents in Portfolio can not be more than 2000

Managing first and second handles used in communication with an apparatus connected to a network

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The number of openable file handles is limited by an OS. Simultaneously communicating partners are limited to, e.g., 64 systems. To solve this problem, a controller (202) of a communication control unit (201) assigns a virtual handle (Vj) in response to a request from a program (Pi) and manages a correspondence between a real handle (Rk) and the virtual handle (Vj) which is prepared by the OS. A program (Pn) of a group (H1) communicates with a program (P1') of a group (H2) using a real handle (R1) corresponding to a virtual handle (Vn). The controller 202 changes the correspondence between the real handle (Rk) and the virtual handle (Vj) to solve the shortage of the real handles (Rk).

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NIHON UNISYS, LTD.TOKYO1

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoshiina, Tsuyoshi Tokyo, JP 1 5
Sugino, Junsei Tokyo, JP 1 5

Cited Art Landscape

Patent Info (Count) # Cites Year
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (3)
* 4,718,005 Distributed control of alias name usage in networks 113 1984
* 5,434,974 Name resolution for a multisystem network 114 1992
* 5,513,351 Protecting a system during system maintenance by usage of temporary filenames in an alias table 26 1994
 
FUJI XEROX CO., LTD. (2)
* 5,706,501 Apparatus and method for managing resources in a network combining operations with name resolution functions 127 1995
* 5,765,154 Resource management system 81 1996
 
AT&T IPM CORP. (1)
* 5,465,365 Apparatus and methods for making a portion of a first name space available as a portion of a second name space 77 1994
 
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
* 5,408,619 Naming service database updating technique 88 1993
 
SUN MICROSYSTEMS, INC. (1)
* 5,377,323 Apparatus and method for a federated naming system which can resolve a composite name composed of names from any number of disparate naming systems 179 1991
 
Vermeer Technologies, Inc. (1)
* 5,732,219 Computer system and computer-implemented process for remote editing of computer files 291 1995
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
MICROSOFT CORPORATION (4)
* 6,636,874 Generation, validation and reservation of reference handles 14 2000
* 7,610,322 Safe handle 3 2004
8,095,513 Safe buffer 0 2006
* 8,341,198 File system repair with continuous data availability 0 2011
 
III HOLDINGS 1, LLC (1)
* 8,458,704 System and method for an improved merge utility 0 2007
* Cited By Examiner