Patents by Inventor Yuji Kojima

Yuji Kojima 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).

  • Publication number: 20090310559
    Abstract: In an embodiment, a method is provided that includes receiving a handover request for a mobile station to be handed over to a macro base station. Identification information for the mobile station is received. The identification of the mobile station is compared with stored association information that includes identification information of a femto base station, and identification information for a particular mobile station. The method further includes identifying that the mobile station identification information matches the identification information for an associated mobile station using the stored association information. The information regarding the associated femto base station is transmitted to the associated mobile station.
    Type: Application
    Filed: February 10, 2009
    Publication date: December 17, 2009
    Applicant: Fujitsu Limited
    Inventors: Wei-Peng Chen, Chenxi Zhu, Yuji Kojima
  • Publication number: 20090312019
    Abstract: According to an embodiment, a method is provided. The method includes identifying a femto base station of a wireless network as the home femto base station for a mobile station served by the wireless network. The connection parameters for the home femto base station may be stored at the mobile station. A home macro base station may be identified and associated with the home femto base station. Identification information for the home macro base station may be stored at the mobile station. Association information of the home femto base station with the home macro base station may be stored at the mobile station.
    Type: Application
    Filed: February 25, 2009
    Publication date: December 17, 2009
    Applicant: Fujitsu Limited
    Inventors: Wei-Peng Chen, Chenxi Zhu, Yuji Kojima
  • Publication number: 20090238140
    Abstract: A gateway apparatus for exchanging packet between a home agent and a mobile station, and being a destination gateway apparatus to which the mobile station is connected by handover, having a transmission unit which transmits to the home agent a simultaneous registration request requesting simultaneous registration of a bi-directional tunnel at both an old route via a source gateway apparatus to which the mobile station is connected before handover, and a new route via the destination gateway apparatus; and a packet control unit which discards one downlink packet of a duplicated downlink packet addressed to the mobile station, when the simultaneous registration is maintained.
    Type: Application
    Filed: December 18, 2008
    Publication date: September 24, 2009
    Inventor: Yuji Kojima
  • Publication number: 20090109923
    Abstract: A base station of a mobile communication system which allocates a bandwidth for handover ranging or bandwidth request ranging in response to a code transmitted from a mobile station that is selected by the mobile station from a plurality of codes includes a ranging allocating unit configured to allocate, to a mobile station performing handover, at least one of a dedicated ranging code and a dedicated ranging slot that are exclusively used and not used by any mobile stations other than the mobile station, and that are provided separately for each of a plurality of base stations to which the mobile station is to be possibly connected.
    Type: Application
    Filed: May 30, 2008
    Publication date: April 30, 2009
    Inventor: Yuji Kojima
  • Publication number: 20090040480
    Abstract: An exposure apparatus for exposing a substrate to radiant energy comprises a controller configured to determine a shot layout based on data representing a surface shape of the substrate, and an exposure unit configured to expose the substrate to the radiant energy in accordance with the shot layout determined by the controller.
    Type: Application
    Filed: July 17, 2008
    Publication date: February 12, 2009
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Jun Kawashima, Yuji Kojima
  • Publication number: 20080259302
    Abstract: This invention discloses an exposure apparatus for exposing a substrate to radiant energy in accordance with a recipe including a plurality of elements, the apparatus comprising: a first storage configured to store the plurality of elements; a first processor configured to change a content of a first element stored in the first storage; and a second processor configured to change a content of a second element stored in the first storage, the second element referring to the first element, in accordance with the change performed for the first element.
    Type: Application
    Filed: April 17, 2008
    Publication date: October 23, 2008
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yuji Kojima, Ariyoshi Tsuchiya
  • Publication number: 20080256450
    Abstract: In an information presenting apparatus, information associated with each of one or more motion images stored in a storage apparatus is displayed at a location corresponding to a file production time in the form of a calendar view. A plurality of frames of representative images are extracted from each motion image in accordance with a specified frame extraction method. Thumbnail images of the respective extracted representative images are produced, and each thumbnail image is related to a playback position in the motion image. The resultant thumbnail images are managed as a set of motion image thumbnail images in accordance with a production time of the motion image. Information associated with each motion image is displayed at a location corresponding to the production time of the motion image in the form of the calendar view. Thumbnail images associated with each motion image are displayed in an expanded form in the order of time.
    Type: Application
    Filed: April 1, 2008
    Publication date: October 16, 2008
    Applicant: Sony Corporation
    Inventors: Hiroki Takakura, Hiroki Masuda, Masatomo Kurata, Masakazu Hayashi, Yuji Kojima, Yoshiki Tanaka
  • Patent number: 7344667
    Abstract: This invention provides a prepreg excellent in productivity, having the drapability to allow easy shaping according to a mold, excellent in resin impregnation, and excellent in handling convenience. This invention also provides a molded article with excellent mechanical properties obtained by molding the prepreg. The prepreg of this invention is a prepreg including reinforcing fibers and a thermoplastic resin, characterized in that an air-permeable layer (B) composed of the thermoplastic resin is laminated on a continuous reinforcing fiber bundle (A), and that the reinforcing fiber bundle (A) and the layer (B) composed of the thermoplastic resin are bonded at their interface.
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: March 18, 2008
    Assignee: TORAY Industries, Inc.
    Inventors: Masato Honma, Yasunori Nagashima, Soichi Ishibashi, Yuji Kojima, Atsuki Tsuchiya
  • Publication number: 20080045217
    Abstract: A wireless communication system which enables fast handovers by eliminating a time lag that occurs during handover process. A new base station recognizes lower layer link switching timing of a mobile station, then adjusts the output timing of a packet transmission initiation message, which triggers packet transmission, so that when a packet is transmitted from a new relay device to the mobile station, the packet may arrive at the mobile station immediately after the lower layer link switching, and sends out the packet transmission initiation message at the adjusted output timing to the new relay device. On receiving the packet transmission initiation message, the new relay device transmits the packet to the mobile station. The mobile station executes the lower layer link switching to complete lower layer handover, and then completes upper layer handover on receiving the packet from the new relay device immediately after the link switching.
    Type: Application
    Filed: November 30, 2006
    Publication date: February 21, 2008
    Inventor: Yuji Kojima
  • Publication number: 20080026692
    Abstract: A relay apparatus for managing a base station that connects to a mobile station by wireless is disclosed. The relay apparatus includes: an idle mode detection unit configured to detect that the mobile station is in an idle mode; a renewal execution unit configured to execute a renewal process on behalf of the mobile station in the idle mode by communicating messages necessary for the renewal process with a server; and a timer synchronization unit configured to synchronize timers of the mobile station and the server after the mobile station returns to a normal mode from the idle mode.
    Type: Application
    Filed: June 29, 2007
    Publication date: January 31, 2008
    Inventor: Yuji Kojima
  • Publication number: 20070140191
    Abstract: A wireless LAN device for lessening failure in switching from infrastructure mode to ad-hoc mode. A radio wave coverage storage stores coverage information about coverage of radio waves amongst access points. A terminal information storage stores terminal information about terminals associated with the access points. A packet receiver receives, via the access points, a packet transmitted from any of the terminals in infrastructure mode. An access point acquisition unit looks up the terminal information storage, based on terminal information about originating and destination terminals contained in the packet, to identify access points with which the terminals are associated. A radio wave coverage decision unit looks up the radio wave coverage storage to determine whether the identified access points are within each other's coverage of radio waves. A communication mode switch switches the communication mode of the originating and destination terminals to ad-hoc mode in accordance with the determination result.
    Type: Application
    Filed: March 31, 2006
    Publication date: June 21, 2007
    Inventor: Yuji Kojima
  • Patent number: 7188190
    Abstract: In a packet data processing apparatus for processing a packet received from a network by a processor, a packet data access part includes a plurality of registers arranged in series and sequentially shifts the received packet through the plurality of registers toward an outlet of the packet data access part in synchronization with a clock. The processor processes the received packet by accessing the packet data access part while the received packet is being shifting through the plurality of registers.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: March 6, 2007
    Assignee: Fujitsu Limited
    Inventors: Yuji Kojima, Tetsumei Tsuruoka
  • Publication number: 20060294053
    Abstract: A computer-readable recording medium is disclosed that stores a file sharing program causing a computer connected to a network of nodes and sharing a file with the nodes in a decentralized manner to execute a method including the steps of: checking the number of approvals by nodes approving a change application for changing the profile information of the file stored in the storage part of the computer upon receiving the change application; promoting the change application to a change instruction to change the profile information, propagating the change instruction to another node, and changing the profile information, if the number of the approvals by the approving nodes and an approval by the computer exceeds a predetermined amount; and propagating the change application to the other node if the number of the approvals by the approving nodes and the approval by the computer does not exceed the predetermined amount.
    Type: Application
    Filed: October 7, 2005
    Publication date: December 28, 2006
    Inventor: Yuji Kojima
  • Publication number: 20060212703
    Abstract: In a method and a device for transferring an e-mail by a public key cryptography between an e-mail transmission device and an e-mail reception device, a trigger message to which user authentication data and a public key are added is received from a transmitting side client, and trust is assigned to the public key within the trigger message to be transmitted to a receiving side client when the user authentication data within the trigger message are authenticated. In response thereto, a response message to which user authentication data and a public key are added is received from the receiving side client, and trust is assigned to the public key within the response message to be transmitted to the transmitting side client when the user authentication data within the response message are authenticated.
    Type: Application
    Filed: July 21, 2005
    Publication date: September 21, 2006
    Inventor: Yuji Kojima
  • Patent number: 7089407
    Abstract: A packet processing device which can reserve a calculation time for each instruction procedure execution unit independent of the data length of a packet by sequentially selecting an instruction procedure execution unit by a selection signal generation unit and performing a calculation on each packet when packets are consecutively input to a packet access unit is disclosed.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: August 8, 2006
    Assignee: Fujitsu Limited
    Inventors: Yuji Kojima, Tetsumei Tsuruoka, Yasuyuki Umezaki, Yoshitomo Shimozono
  • Patent number: 7058051
    Abstract: A packet processing device capable of restraining overhead and processing packets at high speed. Packet input section is input a packet, and internal information handover section hands over internal information of a packet processor. Packet computing section computes the input packet in accordance with the internal information, and packet output section outputs the computed packet. A communication line connects such packet processors in series.
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: June 6, 2006
    Assignee: Fujitsu Limited
    Inventors: Tetsumei Tsuruoka, Yuji Kojima
  • Patent number: 6998434
    Abstract: The present invention relates to carbon fiber reinforced resin compositions comprising the following essential components (A), (B) and (C), and to molding compounds and molded products made by processing and molding the carbon fiber reinforced resin composition; Component (A): 0.01 to 0.7% by weight of vapor grown carbon fiber and/or nanotubes based on 100% by weight of the carbon fiber reinforced resin composition, of which the average diameter of single fiber ranges from 1 to 45 nm; Component (B): 6 to 40% by weight of carbon fiber based on 100% by weight of the carbon fiber reinforced resin composition, of which the average diameter of single fiber ranges from 1 to 20 ?m; and Component (C): resin. The present invention provides carbon fiber reinforced resin composition, molding compounds and molded products therefrom, having good conductivity, mechanical properties and moldability by the above constitution.
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: February 14, 2006
    Assignee: Toray Industries, Inc.
    Inventors: Eisuke Wadahara, Masato Honma, Soichi Ishibashi, Yasunori Nagashima, Yuji Kojima
  • Patent number: 6987768
    Abstract: 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 condition, when the packet is determined conformable, packet information is received and held from the determining portion, and subsequent packets belonging to the same session are transmitted by bypassing the main processor, based on the packet information.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: January 17, 2006
    Assignee: Fujitsu Limited
    Inventors: Yuji Kojima, Tetsumei Tsuruoka
  • Publication number: 20050223008
    Abstract: In an access right management system and method which manage access to data and prevent the data from leaking, a plurality of associated users who possess access rights to data are registered in a user account database, users who agree to the access to the data at present among the access right possessing users are registered in an active user database, and an access agreement portion agrees, only when a present number of access right possessing users having agreed and registered in the active user database is plural, to the access to the data with access right possessing users who have requested the access to the data.
    Type: Application
    Filed: September 24, 2004
    Publication date: October 6, 2005
    Inventors: Makoto Kubota, Yuji Kojima
  • Publication number: 20050150593
    Abstract: This invention provides a prepreg excellent in productivity, having the drapability to allow easy shaping according to a mold, excellent in resin impregnation, and excellent in handling convenience. This invention also provides a molded article with excellent mechanical properties obtained by molding the prepreg. The prepreg of this invention is a prepreg comprising reinforcing fibers and a thermoplastic resin, characterized in that an air-permeable layer (B) comprising the thermoplastic resin is laminated on a continuous reinforcing fiber bundle (A), and that the reinforcing fiber bundle (A) and the layer (B) comprising the thermoplastic resin are bonded at their interface.
    Type: Application
    Filed: April 21, 2003
    Publication date: July 14, 2005
    Applicant: Toray Industries, Inc.
    Inventors: Masato Honma, Yasunori Nagashima, Yuji Kojima, Atsuki Tsuchiya