1
Naoki Oguchi, Tetsumei Tsuruoka, Makoto Kubota: Virtual path configuration apparatus, virtual path configuration method, and computer product. Fujitsu, Katten Muchin Rosenman, October 20, 2009: US07606260 (145 worldwide citation)

Configuration information set in one virtual path configuration apparatus is shared with all the virtual path configuration apparatuses in the virtual private network. The configuration information may be shared by transmitting the configuration information to other virtual path configuration appara ...


2
Tetsumei Tsuruoka: Congestion processing mode and congestion processing circuit in frame relay exchange apparatus. Fujitsu, August 29, 1995: US05446733 (74 worldwide citation)

A frame relay exchange apparatus which accommodates a plurality of subscriber lines and relay lines and transmits the frames received from these lines to a destination line, constituted so as to measure the amount of communication data for every PVC line along with an elapsed time and so as to calcu ...


3
Yuji Kojima, Tetsumei Tsuruoka: Packet transferring apparatus. Fujitsu, Kattten Muchin Zavis Rosenman, January 17, 2006: US06987768 (52 worldwide citation)

In a packet transferring apparatus which communicates between terminals belonging to networks, a packet outputted from a main processor for executing a routing process, a filtering process, and a priority control process determined whether or not to be conformed with a session establishment conditio ...


4
Tetsumei Tsuruoka: Gateway apparatus and packet routing method. Fujitsu, Helfgott & Karas P C, August 8, 2000: US06101189 (49 worldwide citation)

A gateway apparatus and method for routing packets between a local network and an outside network wherein a first converting unit converts a first header of each of packets transmitted from at least one of terminals of the local network to the outside network into a header assigned to the gateway ap ...


5
Tetsumei Tsuruoka: High-speed lookup method and high-speed lookup apparatus. Fujitsu, Katten Muchin Zavis Rosenman, April 8, 2003: US06546391 (45 worldwide citation)

Entries which become lookup objects and have variable length comparison conditions are divided into a plurality of groups, a representative lookup key is taken as lookup data for each group, and mask data that sets a range for matching with a match candidate, as well as comparison object data, is st ...


6
Naoki Oguchi, Tetsumei Tsuruoka: Process and apparatus for speeding-up layer-2 and layer-3 routing, and for determining layer-2 reachability, through a plurality of subnetworks. Fujitsu, Helfgott & Karas P C, October 16, 2001: US06304912 (32 worldwide citation)

A communication apparatus contains a first table having entries each storing a data-link-layer path to a second communication apparatus, and a second table storing a pointer to the entry of the first table, storing the data-link-layer path to the second communication apparatus, corresponding to a ne ...


7
Makoto Kubota, Naoki Oguchi, Tetsumei Tsuruoka: Communication data relay system and method of controlling connectability between domains. Fujitsu, Katten Muchin Rosenman, August 23, 2005: US06934763 (21 worldwide citation)

A relay system, comprises interface units for accessing networks, a domain definition module, an connection definition module, a routing module, an address translation module for translating, when forwarding a communication data from one domain to another domain, a source address belonging to the so ...


8
Satoshi Soejima, Yuji Kojima, Yasuyuki Umezaki, Tetsumei Tsuruoka, Yoshitomo Shimozono: Packet-data processing apparatus. Fujitsu, Katten Muchin Zavis Rosenman, November 25, 2003: US06654823 (18 worldwide citation)

A packet-data-processing apparatus includes a first data-processing unit for computing information on a processing count; a memory; a second data-processing-unit for processing the input packet and storing first results in the memory; an access mechanism unit for reading out one of the first results ...


9
Makoto Kubota, Tetsumei Tsuruoka: Broadcast address server with physical address discrimination for broadcasting packets. Fujitsu, Katten Muchin Zavis Rosenman, November 11, 2003: US06647009 (15 worldwide citation)

A broadcast address server which can be implemented by slightly modifying an existing address server to make it possible to distribute broadcast packets in a reduced time period. A connection set-up unit establishes, in advance, a broadcast connection extending to all relevant terminals on the netwo ...


10
Tetsumei Tsuruoka: Control system for mediating service requests. Fujitsu, December 21, 1993: US05272701 (11 worldwide citation)

A control system for mediating service requests simultaneously transferred from a plurality of service request sources, includes a plurality of evaluation function generating units each operatively connected to the corresponding service request source for receiving the service request therefrom. Eac ...