Patents by Inventor Kazunari Kobayashi
Kazunari Kobayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8516491Abstract: An algorithm in a multi-core processor having a plurality of cores for deciding processing allocation to each core to distribute the processing load thereof, and an efficient processing allocation algorithm simplified for software engineers are established. In order to achieve the above processing load distribution, the multi-core processor includes a plurality of basic modules divided into minimum configuration units, each having a uniform input/output format interface, so as to perform required processing contents in the overall processor. As an initial allocation, the above plurality of basic modules are allocated in distribution to the above plurality of cores, and subsequently, based on functional information of each core, the above plurality of initially allocated basic modules are relocated either periodically or at appropriate timing.Type: GrantFiled: March 17, 2008Date of Patent: August 20, 2013Assignee: Fujitsu LimitedInventors: Daisuke Nitta, Tomonori Kumagai, Kazunari Kobayashi
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Patent number: 8432858Abstract: To provide a technique of making it possible to shorten a time taken by channel switching. Further, to provide a technique of enabling simplification of a channel switching procedure. A radio network controller for assigning, to each wireless terminal connected to a wireless network, one of an individual channel exclusively used by the wireless terminal and a common channel shared with at least one wireless terminal different from the wireless terminal as a communication channel, includes: a determination portion for determining that an individual channel is to be assigned to a wireless terminal; and an assignment portion for, when the assignment of the individual channel has been determined, assigning an individual channel resource secured and held before the determination to the wireless terminal.Type: GrantFiled: July 26, 2006Date of Patent: April 30, 2013Assignee: Fujitsu LimitedInventors: Kazunari Kobayashi, Tomonori Kumagai, Daisuke Nitta, Hajime Hasegawa
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Patent number: 8364161Abstract: A controller which is assigned with the wireless resources for a plurality of wireless zones and a plurality of wireless base stations communicably connected to the controller, wherein the controller is operable to assign a part of the assigned wireless resources to the wireless zone formed by any of the wireless base stations. According to this, it is possible to introduce and run a great number of wireless base stations at a low cost without increasing or modifying the number of the superordinate devices such as RNC.Type: GrantFiled: October 28, 2008Date of Patent: January 29, 2013Assignee: Fujitsu LimitedInventors: Daisuke Nitta, Tetsuo Tomita, Tomonori Kumagai, Satoshi Watanabe, Kazunari Kobayashi
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Patent number: 8331376Abstract: A mobile communication system includes a radio network control apparatus having inside a function block for processing a downlink shared channel and table means for storing various setting information related to the downlink shared channel communication and the downlink shared channel multi-cast communication. According to the information, a multi-cast communication (including uni-cast communication) is realized by using the downlink shared channel for one or more mobile apparatuses. Moreover, a base station has a function to transmit the downlink shared channel data and signaling data received from a radio network control apparatus, to a mobile apparatus via a radio line. Furthermore, it is possible to multi-cast data selectively to a particular mobile apparatus being call-connected.Type: GrantFiled: October 10, 2008Date of Patent: December 11, 2012Assignee: Fujitsu LimitedInventors: Eiji Ikeda, Tomonori Kumagai, Tetsuo Tomita, Kazunari Kobayashi
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Publication number: 20120302253Abstract: The communication apparatus includes an IF that receives positioning information of a mobile user terminal from the mobile user terminal which is able to communicate by using at least one wireless communication scheme; and a controller that detects one or more communicable areas that allow communication by using the at least one wireless communication scheme, by determining which area includes a position indicated by the positioning information among a plurality of areas.Type: ApplicationFiled: March 23, 2012Publication date: November 29, 2012Applicant: FUJITSU LIMITEDInventors: Daisuke Nitta, Hiromitsu Kawai, Kazunari Kobayashi
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Publication number: 20120243477Abstract: A wireless base station capable of communicating with a wireless terminal includes an analyzer that analyzes a pattern of a status of the wireless terminal; and a controller that provides the wireless terminal with information or a function based on the pattern.Type: ApplicationFiled: March 30, 2012Publication date: September 27, 2012Applicant: FUJITSU LIMITEDInventors: Yuki Shinada, Kazunari Kobayashi, Hiromitsu Kawai, Daisuke Nitta
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Patent number: 8274984Abstract: A communications system having an ATM transmission line and an IP transmission line is disclosed that includes a base station capable of communicating with a mobile terminal through a radio link; and a radio network controller capable of communicating with the base station through the ATM or IP transmission line. The radio network controller includes a division part dividing transmission data into signals of a predetermined data size; a transmission part transmitting the divided signals to the base station at predetermined time intervals; a retransmission part retransmitting the signals transmitted to the base station when a response signal from the mobile terminal is not received within a predetermined period; a measuring part measuring a signal response period in a communications channel between the radio network controller and the mobile terminal through the base station; and a determination part determining the predetermined data size based on the measured response period.Type: GrantFiled: December 23, 2004Date of Patent: September 25, 2012Assignee: Fujitsu LimitedInventors: Kazunari Kobayashi, Tomonori Kumagai, Tetsuo Tomita, Eiji Ikeda
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Patent number: 8254935Abstract: A packet transferring/transmitting method is provided for use in a mobile communication system 50. In this packet transferring/transmitting method, an upper node 1 determines the implementation of handover (determination step), and a handover addressing node 2 transfers, of a plurality of packets, a non-transmitted residual packet to a handover addressed node 3, and the upper node 1 transmits a new packet to the handover addressed node 3 (transfer/transmission step). This enables maintaining the number of users to be accommodated while securing a wide bandwidth, sharing a line with high efficiency at soft handover, avoiding data residual in the case of the employment of variable communication rate, and preventing an increase in retransmission.Type: GrantFiled: February 15, 2005Date of Patent: August 28, 2012Assignee: Fujitsu LimitedInventors: Tetsuo Tomita, Eiji Ikeda, Kazunari Kobayashi, Tomonori Kumagai
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Publication number: 20120173670Abstract: A base station accommodating a user terminal may include a user data management database configured to store user data, a security managing part configured to manage groups to which the user data are open, and a user data managing part configured to manage the user data. When the user data managing part receives a request to send user data from a Web application server and a group, included in the request and to which the requested user data are open, is included within the groups managed by the security managing part, the user data managing part may send the requested user data to the Web application server.Type: ApplicationFiled: March 15, 2012Publication date: July 5, 2012Applicant: FUJITSU LIMITEDInventors: Yuki SHINADA, Kazunari KOBAYASHI, Daisuke NITTA
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Publication number: 20120129447Abstract: A base station apparatus includes a relay unit that relays communication data transmitted and received between a user terminal wirelessly connected to the base station apparatus itself, and a server apparatus connected to the base station apparatus itself through a public network; an extraction unit that extracts communication content information indicating content of communication between the user terminal and the server apparatus, from the communication data relayed by this relay unit; a condition obtaining unit that obtains a filtering condition for the user terminal; an analysis unit that filters a plurality of pieces of the communication content information extracted by the extraction unit, according to the filtering condition obtained by the condition obtaining unit; and a notification unit that notifies a wireless carrier network of communication content information obtained by the analysis unit applying the filtering condition.Type: ApplicationFiled: January 30, 2012Publication date: May 24, 2012Applicant: FUJITSU LIMITEDInventors: Daisuke NITTA, Yuki SHINADA, Kazunari KOBAYASHI
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Patent number: 8155691Abstract: A base station accommodation method and mobile communication system which allows the installation of many micro-miniature BTS devices are provided. The mobile communication system includes a plurality of base stations which accommodate a plurality of mobile terminals respectively; a plurality of first base station control devices, each of which accommodates a predetermined number of base stations out of the plurality of base stations; and a second base station control device which accommodates the plurality of first base station control devices, wherein each of the plurality of first base station control devices comprises, for supporting information identifying a mobile terminal, a mobile terminal data base to store identification information which identifies a base station to which the mobile terminal is subordinate, and a station data base to store an address of the base station.Type: GrantFiled: October 29, 2008Date of Patent: April 10, 2012Assignee: Fujitsu LimitedInventors: Daisuke Nitta, Tetsuo Tomita, Tomonori Kumagai, Satoshi Watanabe, Kazunari Kobayashi
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Patent number: 8092939Abstract: A virtually lead additive-free but highly reliable and practical anode zinc can for a battery with improved process-ability and corrosion resistance. A manganese dry battery comprising such a zinc can. A manufacturing method for making the zinc can and a battery.Type: GrantFiled: November 12, 2009Date of Patent: January 10, 2012Assignees: Toshiba Consumer Electronics Holdings Corporation, Kabushiki Kaisha Toshiba, Toshiba Home Appliances CorporationInventors: Kazunari Kobayashi, Mutsuhiro Maeda
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Publication number: 20110299504Abstract: A packet transferring/transmitting method is provided for use in a mobile communication system 50. In this packet transferring/transmitting method, an upper node 1 determines the implementation of handover (determination step), and a handover addressing node 2 transfers, of a plurality of packets, a non-transmitted residual packet to a handover addressed node 3; and the upper node 1 transmits a new packet to the handover addressed node 3 (transfer/transmission step). This enables maintaining the number of users to be accommodated while securing a wide bandwidth, sharing a line with high efficiency at soft handover, avoiding data residual in the case of the employment of variable communication rate, and preventing an increase in retransmission.Type: ApplicationFiled: August 10, 2011Publication date: December 8, 2011Applicant: FUJITSU LIMITEDInventors: Tetsuo TOMITA, Eiji IKEDA, Kazunari KOBAYASHI, Tomonori KUMAGAI
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Patent number: 8068512Abstract: A data center includes an individual storage unit having storage areas for respective user apparatuses, a shared storage unit having a storage area for sharing by the user apparatuses, a unit configured to store data received from an external node in one of the individual storage unit and the shared storage unit that is selected according to predetermined criteria, a unit configured to generate a data arrangement list according to statistics of the received data and predetermined cache data arrangement conditions, and a unit configured to transmit an instruction signal to at least one of the shared storage unit and the individual storage unit according to the data arrangement list to cause data stored in the at least one of the shared storage unit and the individual storage unit to be transferred to a cache server provided on a core network or on a radio access network.Type: GrantFiled: August 21, 2007Date of Patent: November 29, 2011Assignee: Fujitsu LimitedInventors: Daisuke Nitta, Tomonori Kumagai, Kazunari Kobayashi
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Publication number: 20110275362Abstract: In a communication system, an upper-level carrier has communication functions for both first and second sessions. A first communication unit communicates with the upper-level carrier through a first communication session established therewith. A second communication unit communicates with the upper-level carrier through a second communication session established therewith. A communication control unit controls the first and second communication units. The communication control unit disconnects the first communication session and directs a signal intended for the first communication session to the second communication session, so that the signal is delivered to the upper-level carrier by using the second communication session as a detour.Type: ApplicationFiled: March 2, 2011Publication date: November 10, 2011Applicant: FUJITSU LIMITEDInventors: Daisuke NITTA, Yuki SHINADA, Kazunari KOBAYASHI
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Patent number: 8041350Abstract: It administers a plurality of wireless base stations grouped into a plurality of groups, and performs the processing about the management, control and maintenance of the wireless base stations selectively for each of the groups. This enables the efficient management, control and maintenance processing of the wireless base stations.Type: GrantFiled: October 28, 2008Date of Patent: October 18, 2011Assignee: Fujitsu LimitedInventors: Daisuke Inagaki, Noboru Hasegawa, Takeshi Masubuchi, Daisuke Nitta, Tetsuo Tomita, Tomonori Kumagai, Satoshi Watanabe, Kazunari Kobayashi
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Publication number: 20110084875Abstract: An execution method of a position calculating circuit that calculates a position by receiving a satellite signal transmitted from a positioning satellite and that has an externally readable storage section includes: receiving a selection signal for selecting acquired information, which is information acquired from information obtained from the satellite signal, from the outside; selecting the acquired information on the basis of the selection signal; and storing the acquired information in the storage section and outputting a notice signal, which indicates that the acquired information has been obtained, when the acquired information selected from the satellite signal being received is obtained.Type: ApplicationFiled: October 11, 2010Publication date: April 14, 2011Applicant: SEIKO EPSON CORPORATIONInventors: Toshikazu Akiyama, Hidekazu Maezawa, Norio Teruuchi, Kazunari Kobayashi
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Patent number: 7874346Abstract: A method for manufacturing non lead added anode zinc material for manganese dry batteries comprising compounding a zinc alloy by melting zinc, 0.1 mass % or more and 0.7 mass % or less of bismuth and other impurity elements inevitably contained in zinc in a melting furnace; casting the compounded molten zinc alloy to a molded material in the form of a band or in the form of a bar; rolling the molded material in band form to form a zinc alloy sheet; and punching the rolled zinc alloy sheet in a designated thickness into a designated shape.Type: GrantFiled: June 6, 2005Date of Patent: January 25, 2011Assignee: Toshiba Battery Co., Ltd.Inventors: Mutsuhiro Maeda, Kazunari Kobayashi, Yuk Fai Lau
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Patent number: 7829217Abstract: Presented is a virtually lead additive-free but highly reliable and practical anode zinc can for battery with improved process-ability and corrosion resistance, and a manganese dry battery made by using such a zinc can. Disclosed is a manufacturing method of a proposed zinc can and a battery along with engineering clues for material evaluation and processing with regard to metallographic aspect.Type: GrantFiled: December 24, 2004Date of Patent: November 9, 2010Assignee: Toshiba Battery Co., Ltd.Inventors: Kazunari Kobayashi, Mutsuhiro Maeda
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Publication number: 20100195559Abstract: A method of mobile communication at a base station includes transmitting to a mobile station, identifying information for multicast data to be transmitted to the mobile station and transmitting the multicast data on a shared channel to the mobile station, wherein the data is identified by the information.Type: ApplicationFiled: April 15, 2010Publication date: August 5, 2010Applicant: Fujitsu LimitedInventors: Eiji IKEDA, Tomonori KUMAGAI, Tetsuo TOMITA, Kazunari KOBAYASHI