Patents Assigned to Fujitsu
  • Publication number: 20180295114
    Abstract: A method of private mutually authenticated key exchange is provided. The method may include receiving, at the first device, a message transmitted from a second device and including a hierarchical inner-product encryption (HIPE) ciphertext. Further, the method may include decrypting, at the first device, the HIPE ciphertext to generate a first authenticated encryption (AE) ciphertext. The method may further include decrypting, at the first device, the first AE ciphertext. Further, the method may include encrypting, at the first device, a second AE ciphertext including a signature and one or more attributes of the first device. Moreover, the method may include transmitting, to the second device, another message including the second AE ciphertext.
    Type: Application
    Filed: April 5, 2017
    Publication date: October 11, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Michel Ferreira ABDALLA, Wei-Peng CHEN
  • Publication number: 20180291516
    Abstract: An electrolysis system includes a power generator configured to output a first direct current power; a plurality of DC-DC converters respectively configured to convert the first direct current power into a second direct current power and output voltage information and current information of the second direct current power; a plurality of electrolyzers respectively configured to receive the second direct current power output from a DC-DC converter and generate gas; a control circuit configured to output control information that maximizes the first direct current power based on a voltage value and a current value of the first direct current power; and a processor configured to output the target current value and a selection signal indicating whether or not to select each of the plurality of electrolyzers to each of the plurality of respective DC-DC converters, based on the control information, the voltage information and the current information.
    Type: Application
    Filed: April 2, 2018
    Publication date: October 11, 2018
    Applicant: FUJITSU LIMITED
    Inventor: Hiroshi Nakao
  • Publication number: 20180294195
    Abstract: A semiconductor device includes a transistor configuration including first and second gate electrodes, each of the first and second gate electrodes having at least a bottom layer and an upper layer including polycrystalline silicon grains, wherein the first gate electrode is a nMOS gate electrode formed in an nMOS region of the transistor configuration, wherein the polycrystalline silicon grains included in the bottom layer of the first gate electrode have a greater particle diameter than the polycrystalline grains included in the upper layer of the second gate electrode.
    Type: Application
    Filed: June 8, 2018
    Publication date: October 11, 2018
    Applicant: FUJITSU SEMICONDUCTOR LIMITED
    Inventors: Hidenobu Fukutome, Hiroyuki Ohta, Mitsugu Tajima
  • Publication number: 20180294875
    Abstract: A network control apparatus includes a memory that stores route information indicating a route of a path established in a network; and a processor coupled to the memory and configured to determine a target node of which signal output power is to be adjusted among a plurality of nodes on the route included in the route information, based on a signal quality between the plurality of nodes on the route; and instructs the determined target node to adjust the signal output power.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 11, 2018
    Applicant: FUJITSU LIMITED
    Inventor: SATORU OKANO
  • Publication number: 20180293032
    Abstract: A print management apparatus includes a memory and a processor configured to receive print data and first attribute information of the print data from a terminal, perform a determination of a first printer as an output destination candidate from among a plurality of printers in accordance with setting information and the first attribute information, generate first print data adapted to the first printer based on the print data before an output instruction is received from the first printer, and when the output instruction is received from the first printer, transmit first output data to the first printer based on the first print data, and when an output instruction is received from a second printer, generate second print data adapted to the second printer based on the print data, and transmit second output data to the second printer based on the second print data.
    Type: Application
    Filed: March 22, 2018
    Publication date: October 11, 2018
    Applicant: FUJITSU LIMITED
    Inventors: JUNKI HAKAMATA, Tetsuhiro Yamaguchi
  • Patent number: 10098071
    Abstract: An observation system includes a plurality of nodes and an observation apparatus that collects information from the nodes using multi-hop communication for communicating with the nodes. The observation apparatus includes a link quality indicator (LQI) determination section and an output control section. The LQI determination section determines whether an LQI received from a node using the multi-hop communication is larger than a first threshold. When the LQI is larger than the first threshold, the output control section outputs a reduction command to the node associated with the LQI, the reduction command being a command to change the amount of transmission power in the multi-hop communication.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Koji Kurihara, Koichiro Yamashita, Takahisa Suzuki
  • Patent number: 10095365
    Abstract: A position detecting method for a touchscreen panel includes the steps of (a) determining the presence or absence of contact with the touchscreen panel on a conductive film divided into multiple conductive regions; (b) measuring a time after the detection of the absence of the contact and determining whether the measured time is less than a predetermined time if step (a) determines the absence of the contact; and (c) determining the continuance of the contact if the measured time is less than the predetermined time.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: October 9, 2018
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Koichi Kondoh, Takashi Nakajima, Nobuyoshi Shimizu, Masanobu Hayama, Norio Endo, Daisuke Ichikawa
  • Patent number: 10096156
    Abstract: A non-transitory computer-readable recording medium stores a voxelization program that causes a computer to execute a process. The process includes voxelizing a three-dimensional shape to generate a first voxel structure corresponding to the three-dimensional shape, specifying, in a case where lines perpendicular to respective faces of a cube or a cuboid containing the generated first voxel structure are extended from the respective faces toward inside the cube or the cuboid until the lines hit the first voxel structure, a region outside an outer periphery of the first voxel structure according to whether at least lines extended from three faces orthogonal to each other intersect, and setting the specified outside region as a second voxel structure, and performing inversion to invert a region of the voxel structures and a region not set as a voxel in the cube or the cuboid.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Hiroshi Tanaka, Guoping Sun
  • Patent number: 10094862
    Abstract: A sound processing device performs obtaining a first frequency spectrum that corresponds to a first sound signal and a second frequency spectrum that corresponds to a second sound signal, calculating a level difference between a level of each of frequency components in the first frequency spectrum and a level of each of frequency components in the second frequency spectrum, calculating a spread of a distribution of the level difference during a prescribed period for each of the frequency components, and determining a gain to be multiplied to the frequency component in the first frequency spectrum and a gain to be multiplied to the frequency component in the second frequency spectrum in accordance with the spread of the distribution of the level difference.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Sayuri Nakayama, Taro Togawa, Takeshi Otani
  • Patent number: 10096259
    Abstract: A video playback device includes a processor that executes a procedure. The procedure includes receiving a designation of a tuning during video playback in each of plural respective videos, and, according to a playback instruction, playing back the plural videos in synchronization starting from the timings designated for the plural respective videos.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Atsushi Oguchi, Masahiro Kihara, Shunsuke Kobayashi, Kazumi Doi
  • Patent number: 10095706
    Abstract: A first information processing apparatus includes a storage device configured to store a plurality of division data, into which processing target data is divided, in a plurality of positions, and the second information processing apparatus includes a first storage unit configured to store storage position information of the respective division data of the storage device and configuration information for restoring the processing target data from the division data. Even when the storage device is accessed in an unauthorized manner, data leakage can be prevented.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventor: Ryusuke Tsurusawa
  • Patent number: 10096344
    Abstract: A holding frame for an electronic device that is to be inserted and extracted into and from a pair of grooves formed in a chassis so as to face each other, the holding frame includes a pair of plates that are parallel to each other and that form portions of the holding frame, the portions extending along the grooves, three protrusions that are arranged along the grooves and that protrude from the plates toward the grooves, and two support portions that are arranged at portions of the holding frame each of which corresponds to a center portion between a corresponding two of the three protrusions, the two support portions supporting the electronic device between the plates and the electronic device.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Shinichirou Okamoto, Shinichirou Kouno, Satoru Yamada, Atsushi Yamaguchi
  • Patent number: 10098147
    Abstract: Provided is a wireless communication system in which high-speed communication is implemented. A receiving device includes an RA managing unit that transmits Msg1 through a PRACH over an SCELL and a D-SR managing unit that transmits a D-SR through a PUCCH over a PCELL before or after the PRACH. A transmitting device includes an RA managing unit that receives Msg1 and a D-SR managing unit that receives the D-SR. The RA managing unit associates a scheduling request with a preamble, and identifies a receiving device.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Yoshiaki Ohta, Yoshinori Tanaka, Yoshiharu Tajima, Yoshihiro Kawasaki
  • Patent number: 10098264
    Abstract: An air-conditioning apparatus is an air-conditioning apparatus, for an air-conditioning target space in which a rack including a device as a heat-producing object is provided and which is separated by the rack into a cold space and a hot space, that makes return air from the hot space flow in so as to cool the return air and supplies an arbitrary air volume of the supplied air which is obtained by cooling the return air to the cold space by using a supply fan. The air-conditioning apparatus includes a processor. The processor executes a process including conducting control so that a temperature of the supplied air is equal to a prescribed value that is set in advance, and adjusting an air volume of the supplied air by controlling the supply fan so that a temperature of the return air is equal to a target value that is set in advance.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Takehisa Matsuda, Akira Minegishi, Hideo Kubo, Hiroyuki Fukuda, Toshio Sugimoto, Masaki Takahashi, Syunsuke Ohga
  • Patent number: 10095080
    Abstract: An optical modulator includes an optical modulator chip configured to optically modulate an optical signal using an electrical signal input thereto; and a relay substrate configured to relay and couple the electrical signal to the optical modulator chip. The optical modulator chip includes a signal electrode and a ground electrode for the electrical signal, formed along a waveguide for the optical signal. One end of the optical modulator chip is arranged to face the relay substrate. An electrode connection portion coupling the electrical signal to the relay substrate by wire is provided at the one end. A distance between a tip of one end of the signal electrode in the electrode connection portion and the end of the optical modulator chip is less than a distance between a tip of an end of the ground electrode in the electrode connection portion and the end of the optical modulator chip.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: October 9, 2018
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventors: Yasuhiro Ohmori, Yoshinobu Kubota, Masaharu Doi, Masaki Sugiyama
  • Patent number: 10095279
    Abstract: An assembly for a computer system includes a computer chassis having a back panel with a connector panel; a cable covering unit fixable in a mounting position to the back panel that prevents connected plug connectors from being unplugged from the connector panel in the mounting position; wherein the cable covering unit and the computer chassis are arranged such that the cable covering unit can be placed on the computer chassis in an articulated manner to be fixed thereto and subsequently pivoted toward the back panel into the mounting position.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: October 9, 2018
    Assignee: Fujitsu Technology Solutions Intellectual Property GmbH
    Inventors: Andreas Burghart, August Scherer
  • Patent number: 10093114
    Abstract: A printer for printing information on a recording medium includes a guide that guides the recording medium being fed and includes multiple holes, a sensor for detecting the recording medium, and a board that includes multiple terminals. The sensor is mounted on at least one of the terminals such that the sensor is exposed through one of the holes.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: October 9, 2018
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Tatsuya Oguchi, Sumio Watanabe, Yukihiro Mori, Masahiro Tsuchiya
  • Patent number: 10097515
    Abstract: A firewall control device controls a plurality of firewall devices provided between a core network and a plurality of sub-networks respectively, the firewall control device is configured to receive, from the plurality of firewall devices, data amount information indicating an amount of the data discarded in the plurality of firewall devices respectively and node information indicating a transmission source node of the discarded data, identify, based on the data amount information and the node information, a data flow including the discarded data which is transmitted from an information processing device indicated by the node information and of which total amount of the discarded data exceeds a threshold value, and set, in a first firewall device which is included in the plurality of firewall devices and which is coupled to the information processing device, a first discarding flow entry defining discarding of data of the identified data flow.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventor: Dai Suzuki
  • Patent number: 10097635
    Abstract: A reception unit receives an input of designation of a performance level for a volume. A target value calculation unit obtains a target value of performance of data transmission and reception with respect to the volume according to the input performance level. A setting unit sets the target value obtained by the target value calculation unit for the volume. A monitoring unit monitors a load factor of a transmission resource. A bandwidth management unit identifies a target transmission resource based on the load factor of the transmission resource, decides a bandwidth allocation to a memory unit that uses the target transmission resource based on the target value, and instructs a bandwidth control unit of a storage device to tune the bandwidth using the decided bandwidth allocation.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Toshiharu Makida, Kiyoshi Sugioka, Jouichi Bita
  • Patent number: 10095204
    Abstract: A method includes: generating first information for each of a plurality of jobs based on temperature information acquired from a first information processing device that has executed each of the plurality of jobs, each of the first information indicating change amount of the temperature of the first information processing device when each of the jobs is executed by the first information processing device; generating second information for each of a plurality of second information processing devices that have executed a specific one of the plurality of jobs, the second information indicating change amount of the temperature of each of the second information processing devices which executed the specific job; and determining which one of the plurality of second information processing devices to allocate a job based on the first information, the second information and the temperature information of the plurality of second information processing devices.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: October 9, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Tsuyoshi Honma, Tamotsu Sengoku, Tokutomi Nagao, Naoaki Ono, Seiji Kambe, Yuuji Itou, Haruki Hattori