Patents Assigned to Fujitsu
  • Publication number: 20180307119
    Abstract: A wavelength conversion device that converts input signal light having a first frequency into output signal light having a second frequency, includes: a control-light generator that outputs first continuous oscillation light and second continuous oscillation light; and a nonlinear optical medium that cross-phase modulates the input signal light with the first continuous oscillation light and the second continuous oscillation light and generates the output signal light, wherein the control-light generator outputs the first continuous oscillation light and the second continuous oscillation light to have polarized waves in directions orthogonal to each other and have a frequency interval equal to a difference between the first frequency and the second frequency and controls, based on intensity of the output signal light, timings of modulation of phases of the first continuous oscillation light and the second continuous oscillation light to be aligned with each other.
    Type: Application
    Filed: April 11, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Tomoyuki Kato, Shigeki Watanabe, Takeshi Hoshida
  • Publication number: 20180307785
    Abstract: A magnetic material simulation method for a computer to execute a process including: calculating, from first magnetization vector information at first time on elements obtained by dividing a magnetic substance into a plurality of meshes, first static magnetic field potential information of the elements at the first time; calculating a magnetization vector calculation matrix A which is based on interaction between the meshes at second time, by using the first magnetization vector information and the first static magnetic field potential information; calculating a magnetization vector calculation matrix B which is based on interaction between the meshes at the first time, by using the first magnetization vector information and the first static magnetic field potential information; and calculating second magnetization vector information on the elements at the second time, by using the first magnetization vector information, the first static magnetic field potential information, the matrix A, and the matrix B.
    Type: Application
    Filed: April 3, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Tadashi Ataka, Atsushi Furuya
  • Publication number: 20180307615
    Abstract: A storage control apparatus configured to control a storage device including a storage medium having a limited number of writes, includes a memory, and a processor coupled to the memory and configured to store, in the memory, address conversion information associating logical addresses used for data identification by an information processing apparatus accessing to the storage device, and physical addresses indicating positions where the data is stored on the storage medium, write the data additionally and collectively to the storage medium, and when the data is updated, maintain storing a reference logical address associated with the data before updated and the data before updated on the storage medium.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Naohiro Takeda, Norihide KUBOTA, YOSHIHITO KONTA, Yusuke Kurasawa, Toshio Kikuchi, Yuji TANAKA, Marino Kajiyama, Yusuke Suzuki, YOSHINARI SHINOZAKI, Takeshi WATANABE, Noriyuki Yasu
  • Publication number: 20180307476
    Abstract: An update processing method executed by a processor included in an update processing apparatus, the update processing method includes storing, in a memory, update information that is updated in accordance with update processing executed by using information called from another computer in accordance with accepted request information, the update information regarding a frequency of the call, and response information that is used for response to the request information; when the request information corresponding to the update processing is accepted, determining in accordance with the update information whether to transmit the response information stored in the memory as a response to the request information to a transmission source of the request information; and transmitting the response information selected in accordance with a result of the determination to the transmission source.
    Type: Application
    Filed: April 18, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Shinya Kitajima
  • Publication number: 20180307475
    Abstract: An information processing device, for an information processing system including a plurality of information processing devices, executes a process causing a processor of the information device to: classify the plurality of information processing devices into a plurality of device groups each including a given number of information processing devices; select information processing devices one by one from each of the plurality of device groups based on a given selection condition; assign the selected information processing devices to a first update group; and transmit, to first information processing devices each of which is any of the plurality of information processing devices and belongs to the first update group, an instruction to update software applied to the first information processing devices.
    Type: Application
    Filed: April 12, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Keiya Ishikawa
  • Publication number: 20180310329
    Abstract: An apparatus and method for random access and data transmission and a communication system. The method includes: generating data information used for both random access and data transmission by a UE, the data information including a UE ID, data to be transmitted and a pilot signal; selecting one or more resource block for transmitting the data information from predetermined resources; and mapping the data information onto the resource blocks and transmitting the data information. Hence, random access and data transmission can be achieved in one step, which can both lower signaling overhead and increase the number of accessed UEs.
    Type: Application
    Filed: June 26, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Xianjun YANG, Xin WANG, Jian ZHANG
  • Publication number: 20180307419
    Abstract: A storage control apparatus configured to control a storage device including a storage medium with a limited number of writes, includes a memory, and a processor coupled to the memory and configured to record, to the storage medium, address conversion information associating logical addresses by which an information processing apparatus that uses the storage device identifies data with physical addresses indicating positions where the data is stored on the storage medium, and execute garbage collection of the storage medium based on the recorded address conversion information.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Naohiro Takeda, Yusuke Kurasawa, Norihide KUBOTA, YOSHIHITO KONTA, Toshio Kikuchi, Yuji TANAKA, Marino Kajiyama, Yusuke Suzuki, Takeshi WATANABE, YOSHINARI SHINOZAKI
  • Publication number: 20180310217
    Abstract: A wireless apparatus, which is used as a first wireless apparatus in a wireless system that includes the first wireless apparatus and a plurality of second wireless apparatuses, includes: a communication circuit for receiving a result of measurement of a first channel from each of the plurality of second wireless apparatuses that communicate with each other via the first channel; and a control circuit for executing a first process when the result of the measurement is lower than a predetermined quality, wherein the first process causes the communication circuit to transmit a switching instruction to each of the plurality of second wireless apparatuses, to establish a second channel between the wireless apparatus and each of the plurality of second wireless apparatuses, and to switch wireless communication between each of the plurality of second wireless apparatuses via the first channel to wireless communication via the second channel.
    Type: Application
    Filed: July 2, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Yoshiaki Ohta, SHINICHIRO AIKAWA, Takayoshi Ode
  • Publication number: 20180309859
    Abstract: An information processing apparatus includes a receiver to receive data-packets, the data-packets generated by dividing a message into division-data and storing, for each of the division-data, one of the plurality of division data into one of the plurality of data packets, wherein each of the data-packets also includes a data value indicating a quantity of the division-data and data indicating whether or not the data-packet includes final division data corresponding to an end of the message, a memory, and a processor to store the division-data that is contained in a packet of the data-packets that are received, in the memory, and suppress the final division-data from being stored in the memory until the quantity of the data-packets received by the receiver equates to the data value indicating the quantity of the division-data, in a case where the final division-data is received earlier than any one of the other division-data.
    Type: Application
    Filed: April 3, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Shinya Hiramoto, YUJI KONDO, Yuichiro Ajima
  • Publication number: 20180308066
    Abstract: A method to generate a cooking schedule may include identifying the recipes and corresponding cooking steps and time durations for the cooking steps for the recipes. The method may also include determining cooking blocks and corresponding cooking times for the recipes based on the cooking steps. The method may further include generating a cooking schedule for the recipes, where the cooking schedule satisfies required completion times for completing each of the recipes.
    Type: Application
    Filed: April 24, 2017
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Naomi HADATSUKI
  • Publication number: 20180307440
    Abstract: A storage control apparatus configured to control a storage device including a storage medium having a limit of a number of writes, includes a memory, and a processor coupled to the memory and configured to store, in the memory, address conversion information in which a logical address used to identify data by an information processing device using the storage device and a physical address indicating a memory location of the data in the storage medium are associated with each other, and execute a bulk writing of a piece of the address conversion information into the storage medium sequentially.
    Type: Application
    Filed: April 10, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Naohiro Takeda, Norihide KUBOTA, YOSHIHITO KONTA, Yusuke Kurasawa, Toshio Kikuchi, Yuji TANAKA, Marino Kajiyama, Yusuke Suzuki, YOSHINARI SHINOZAKI, Takeshi WATANABE
  • Publication number: 20180307520
    Abstract: A non-transitory computer-readable recording medium storing a program that causes a computer including a first-processor in which a first-thread is executed at a first-node having a first-buffer and a communication device and a second-processor in which a second-thread is executed at a second-node having a second-buffer, the first-thread includes setting an output-destination of the communication device to the second-buffer with respect to a flow addressed to a virtual machine executed in the second-processor, notifying the second-processor of a switch notification information of the setting the output-destination of the communication device to the second-buffer, and transferring a packet stored in the first-buffer to the second-processor, and the second-thread includes receiving the switching notification, suspending temporarily a reception-process of the second-buffer for the flow, transferring the packet transferred by the first-processor to the virtual machine, and resuming the reception-process of the se
    Type: Application
    Filed: April 19, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Kazuki Hyoudou
  • Publication number: 20180306585
    Abstract: A non-transitory, computer-readable recording medium stores therein a notification program that causes a computer to execute a process including acquiring position information regarding changing positions of a mobile body that moves by wind power; acquiring state information regarding a state of the mobile body at each of the positions; determining whether the state is within a predefined range; and outputting a result of the determination.
    Type: Application
    Filed: April 16, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Shinya Yokoi
  • Publication number: 20180307427
    Abstract: A storage control apparatus includes a memory, and a processor coupled to the memory and configured to execute a capacity expansion on a storage group including a plurality of storage devices, generate a plurality of first data storage regions in accordance with the number of storage devices within the storage group after the capacity expansion, and execute data rearrangement within the storage group after the capacity expansion for each of the plurality of first data storage regions.
    Type: Application
    Filed: April 18, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Takeshi WATANABE, YOSHINARI SHINOZAKI, Marino Kajiyama, Toshio Kikuchi, YOSHIHITO KONTA, Norihide KUBOTA, Yusuke Kurasawa, Yusuke Suzuki, Yuji TANAKA, Naohiro Takeda
  • Publication number: 20180307616
    Abstract: A storage control apparatus includes a memory to store meta-information associating a position of a logical area with a position of a physical area, and a processor to, when a first data block including data, a check code corresponding to the data, and first information related to a position within the logical area is stored in the physical area, and a second data block including the data, the check code, and second information related to a position within the logical area is written in the logical area, obtain a first position at which the first data block is present in the physical area, based on meta-information of the first data block in the meta-information, associate the first position as a position of the physical area in meta-information of the second data block in the meta-information with the position to which the second data block is written in the logical area.
    Type: Application
    Filed: April 17, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Naohiro Takeda, Norihide KUBOTA, YOSHIHITO KONTA, Toshio Kikuchi, Yusuke Kurasawa, Yuji TANAKA, Marino Kajiyama, Yusuke Suzuki, YOSHINARI SHINOZAKI, Takeshi WATANABE
  • Publication number: 20180307564
    Abstract: A non-transitory computer-readable storage medium storing a program that causes a computer to execute a process including transmitting update data to a first backup device in a specified period, the specified period being a period after a first backup data is generated and before a second backup data is generated, causing the first backup device to transmit the update data to a second backup device, transmitting the second backup data to the first backup device, determining whether to cause the first backup device to transmit the second backup data to the second backup device, and causing the first backup device to transmit a generation request of the second backup data to the second backup device when the determining does not determine to cause the first backup device to transmit the second backup data.
    Type: Application
    Filed: April 17, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Hironori Ikeda, Ryohei Takahashi, Yoshihide TOMIYAMA
  • Publication number: 20180307437
    Abstract: A backup control method includes receiving a plurality of pieces of data transmitted from a plurality of data storage devices, classifying the plurality of pieces of data into respective data groups in accordance with the plurality of data storage devices of transmission sources, generating first compressed data by compressing one or more pieces of data classified into a first data group, and transmitting the first compressed data to a backup device storing backups.
    Type: Application
    Filed: April 13, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Keisuke Suzuki, Ryohei Takahashi, Yoshihide TOMIYAMA
  • Publication number: 20180310405
    Abstract: A substrate includes an insulation layer including a glass cloth impregnated with a resin, and a through hole having a hole included in the insulation layer and plating formed in an inner surface of the hole, where a location, intersecting with the glass cloth, of an outer circumferential portion of the through hole has a recessed portion recessed toward an outside of the hole.
    Type: Application
    Filed: April 5, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Shigeo Iriguchi, Takahiro KITAGAWA, Mitsunori Abe, Shigeru SUGINO, Nobuo Taketomi, Kiyoyuki Hatanaka, Ryo Kanai
  • Publication number: 20180307548
    Abstract: An information processing apparatus including a memory that stores correspondence information, the correspondence information indicating a correspondence between a plurality of first identifiers and a plurality of combinations of one of a plurality of first threads and one of a plurality of second threads, respectively, and a processor coupled to the memory and the processor configured to execute a process including storing, into a queue, a completion notification corresponding to received data upon a reception of the received data, the received data including a second identifier indicating a combination of transmission source thread among the plurality of second threads and a destination thread among the plurality of first threads, retrieving the completion notification stored in the queue, specifying a third thread among the plurality of first threads based on the second identifier included in the received data and the correspondence information, and transmitting the received data to the third thread.
    Type: Application
    Filed: April 16, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Yuki Matsuo, Munenori Maeda, Kohta Nakashima
  • Publication number: 20180310295
    Abstract: A wireless communication apparatus, for performing wireless communication with a first wireless communication apparatus based on a discovery signal, includes: a control circuit configured to control a probability of using a radio resource for the discovery signal; and a communication circuit configured to transmit the discovery signal to the first wireless communication apparatus through the radio resource in accordance with the probability.
    Type: Application
    Filed: July 2, 2018
    Publication date: October 25, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Yoshiaki Ohta, SHINICHIRO AIKAWA, Takayoshi Ode