Patents Assigned to Fujitsu Limited
  • Publication number: 20240126835
    Abstract: A computer-readable recording medium stores a sampling program for causing a computer to execute a process. The process includes: performing sampling of a second probability distribution obtained by adding an inverse temperature parameter based on an inverse temperature that is a physical amount to a first probability distribution and training a first variational model based on first data obtained through sampling; performing sampling of a third probability distribution obtained by increasing a value of the inverse temperature parameter, by using the trained first variational model and training a second variational model based on sampled second data; and outputting a sample that corresponds to the first probability distribution, based on a result of the sampling of the third probability distribution by using the trained second variational model.
    Type: Application
    Filed: July 18, 2023
    Publication date: April 18, 2024
    Applicant: Fujitsu Limited
    Inventor: Yuma ICHIKAWA
  • Patent number: 11960449
    Abstract: A recording medium stores an information processing program for managing a plurality of storage devices and a plurality of servers. The program causes a computer to execute a process including: while changing a compression ratio setting, obtaining an actual compression ratio by using some of data pieces to be used by the plurality of servers and a decompression rate at which the servers decompress a compressed dataset in which the some data pieces are compressed; and determining the compression ratio setting to be used based on a maximum total bandwidth of the plurality of storage devices and a number of the plurality of servers by using the obtained actual compression ratio and the decompression rate for each of the compression ratio settings.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: April 16, 2024
    Assignee: FUJITSU LIMITED
    Inventors: Hiroki Ohtsuji, Eiji Yoshida
  • Patent number: 11963039
    Abstract: A base station includes, in an aspect, a first reception unit, a first transmission unit, and a second transmission unit. The first reception unit receives information related to a communication processing state of another base station from the other base station. The first transmission unit transmits duplication of data to be transmitted to a terminal device to the other base station. The second transmission unit transmits the data to the terminal device by using radio communication. Furthermore, the first transmission unit transmits, after the transmission of the data performed by the second transmission unit has been completed, in accordance with the information related to the communication processing state of the other base station, a transmission completion notification that indicates that the transmission of the data has been completed to the other base station.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: April 16, 2024
    Assignee: FUJITSU LIMITED
    Inventor: Akira Hirata
  • Patent number: 11960491
    Abstract: A non-transitory computer-readable storage medium storing a pattern search program that causes a computer to execute a process, the process includes designating priority ranks of each of attributes included in a plurality of attribute patterns that indicate one or more attributes, based on an inclusion relationship between occurrence sets of a plurality of samples with respect to each of the attributes included in the plurality of attribute patterns; and determining whether each of the plurality of attribute patterns is an emerging pattern according to a search order based on the priority ranks, when a frequency of occurrence of the plurality of samples in a first attribute pattern is less than the frequency of occurrence of the plurality of samples in a second attribute pattern that has all the attributes except one of the attributes with lowest one of the priority ranks among the attributes included in the first attribute pattern.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: April 16, 2024
    Assignee: FUJITSU LIMITED
    Inventor: Hiroaki Iwashita
  • Patent number: 11963225
    Abstract: A method and apparatus for transmitting and receiving uplink control information. The method includes: determining a channel access type of an uplink control channel used for transmitting uplink control information by a terminal equipment; and detecting a channel according to the channel access type and transmitting the uplink control information to a network device after the channel is detected as being idle, or not detecting a channel according to the channel access type and transmitting the uplink control information to the network device. Hence, in some scenarios, uplink control information may be transmitted without detecting a channel, which may lower latency and improve transmission efficiency; and in some other scenarios, uplink control information may be transmitted after the channel is detected as being idle, which may avoid or lower interference and improve reliability of transmission.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: April 16, 2024
    Assignee: FUJITSU LIMITED
    Inventors: Guoyu Zhang, Qinyan Jiang, Meiyi Jia, Lei Zhang
  • Patent number: 11962562
    Abstract: According to an aspect of an embodiment operations may include receiving, by a server, message shares. The operations may also include generating, by the server, an aggregate hash share of the message shares. In addition, the operations may include receiving, by the server, a verification vector iteration from another server and generating another verification vector iteration based on: the received verification vector iteration, a permutation that corresponds to the server, and a masking vector that corresponds to the server. The operations may also include obtaining a verification hash that is based on the verification vector and participating in a multiparty computation to determine an aggregate hash. The operations may also include determining, as part of the multiparty computation, whether one or more of the servers is operating in an adverse manner based on whether the verification hash is equal to the aggregate hash.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: April 16, 2024
    Assignee: FUJITSU LIMITED
    Inventors: Avradip Mandal, Hart Montgomery, Jaspal Singh
  • Patent number: 11960938
    Abstract: Disclosed system specifies, based on measurement results of communication times taken for accessing a plurality of external databases, relation between the communication times taken for accessing the plurality of external databases, calculates, when accepting an instruction to execute processing using at least one of the plurality of external databases, a processing load when accessing the at least one of the external databases, based on the relation between the communication times, and controls an access to data included in the at least one of the external databases according to the calculated processing load.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: April 16, 2024
    Assignee: FUJITSU LIMITED
    Inventors: Takuma Maeda, Kazuhiro Taniguchi, Junji Kawai
  • Publication number: 20240120031
    Abstract: A recording medium stores a program for causing a computer to execute a process including: accepting selection of one or more atoms among a plurality of atoms that form a target molecule that exists in a predetermined coordinate space; and altering coordinates of each atom of the one or more atoms from first coordinates to second coordinates in the coordinate space based on: a unit vector between the coordinates of a first atom and a second atom of which a bond length is to be changed; a normal vector with respect to a plane formed by a first bond axis and a second bond axis of which a bond angle is to be changed; or a rotation matrix of the second atom of which a rotation angle is to be changed; or any combination of the unit vector, the normal vector, or the rotation matrix, in the coordinate space.
    Type: Application
    Filed: May 25, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventor: Naoki IIJIMA
  • Publication number: 20240120035
    Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a process, the process includes in repeat calculation of electron density of a substance by a self-consistent field method that uses a specific number of wave functions according to cutoff energy, executing a second electron density calculation at an (N+1)-th time (N is an integer greater than or equal to 1) by applying second cutoff energy of a value smaller than first cutoff energy applied to an first electron density calculation at an N-th time, determining whether the electron density obtained by the second electron density calculation at the (N+1)-th time satisfies a predetermined condition, and outputting the value of the second cutoff energy in a case where the condition is not satisfied.
    Type: Application
    Filed: July 13, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventor: Eiji OHTA
  • Publication number: 20240120885
    Abstract: A Doherty amplification device includes a distributor to distribute, into first and second signals, an input signal after distortion-compensation, first and second amplifiers, a combiner to combine the amplified first and second signals, and an adjuster between the distributor and the first or second amplifiers and to include a first calculation circuit to obtain a first-characteristic indicating a relationship of a gain of an output signal with respect to reference-power of the input signal, based on the output signal and the input signal, a classification circuit to classify the first-characteristic into regions according to the reference-power, a second calculation circuit to obtain a statistical-value of the gain for each regions, and a determination circuit to set, in the adjuster, a phase-delay at which distortion to be generated in the output signal is minimized, based on the statistical-value, wherein the adjuster adjusts the phase-delay of the first or second signals.
    Type: Application
    Filed: July 12, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventors: Toshiyuki Aoki, Akihiko Komatsuzaki, Mitsuharu Hamano
  • Publication number: 20240118891
    Abstract: A processor includes an operation executer configured to execute pipeline processing of an operation instruction, wherein the operation executer includes a first register configured to hold data to be used for an operation; a pre-processor configured to pre-process data held in the first register; a second register configured to hold the data pre-processed by the pre-processor; an operator configured to execute an operation on the data held in the first register or the data held in the second register; and a selector configured to connect an output of the first register or an output of the second register to an input of the operator.
    Type: Application
    Filed: June 30, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventor: Sota Sakashita
  • Publication number: 20240119258
    Abstract: A computer-readable recording medium storing a program for causing a computer to execute processing including: acquiring a first determination result of first graph data by performing determination processing on the first graph data; acquiring one or more first scores regarding a feature of the first graph data by using a trained model, the one or more first scores representing a basis of the first determination result of the first graph data, the trained model being a model configured to output, in response to obtaining graph data, one or more scores regarding the feature of the graph data; in a case where all of the one or more first scores are less than a threshold, specifying second graph data being a second determination result different from the first determination result; and outputting, in association with the first determination result, information regarding the feature of the second graph data.
    Type: Application
    Filed: August 1, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventors: Tao KOMIKADO, Koji MARUHASHI
  • Publication number: 20240121022
    Abstract: An optical transmission system includes: a WDM transmission device configured to output WDM signal light including rays of a plurality of wavelengths; a wavelength converter configured to convert the WDM signal light into converted light in a different wavelength band; and a processor configured to control a signal level of the WDM signal light incident on the wavelength converter, wherein the processor controls the signal level of the WDM signal light so as to make the signal level of the WDM signal light decrease in a direction away from a wavelength of pump light used in the wavelength converter.
    Type: Application
    Filed: August 2, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventors: Hiroyuki IRIE, Hisao NAKASHIMA
  • Publication number: 20240119387
    Abstract: A computer-readable recording medium has stored therein a machine learning program executable by one or more computers, the machine learning program including: an instruction for comparing a first plurality of relationship information pieces with a second plurality of relationship information pieces, the first plurality of relationship information pieces being determined in terms of an inputted configuration of a first Artificial Intelligence (AI) system and each including a plurality of attributes, the second plurality of relationship information pieces being determined in terms of a second AI system; an instruction for determining priorities of the first plurality of relationship information pieces, the priorities being based on a result of the comparing; and an instruction for outputting, as a checklist of the first AI system, one or more check items selected in accordance with the determined priorities from among a plurality of check items associated with the plurality of attributes.
    Type: Application
    Filed: July 20, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventors: Satoko IWAKURA, Izumi NITTA, Kyoko OHASHI
  • Publication number: 20240120996
    Abstract: An optical transmitter includes: an optical modulator of a Mach-Zehnder type using an InP-based material; a bias controller configured to control a DC bias applied to the optical modulator; a monitor configured to monitor output light of the optical modulator to generate a monitor signal; and a corrector configured to correct a gain of the monitor signal in a direction in which wavelength dependency of insertion loss of the optical modulator is compensated according to a wavelength at a preceding stage of bias control by the bias controller.
    Type: Application
    Filed: August 1, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventors: Hideyuki MATSUURA, Kosuke KOMAKI, Hidetoshi SATO, Katsutoshi ISHIDOU
  • Publication number: 20240118900
    Abstract: An arithmetic processing device executes instructions by pipeline processing. In the arithmetic processing device, a branch predictor includes a prediction holder holding a prediction value of a consecutively taken branch count, a current taken branch count, and a prediction value of a remaining taken branch count for conditional branch instructions. A branch instruction issuance scheduler outputs an instruction refetch request upon a branch prediction miss of a conditional branch instruction held at an entry other than a head of a branch instruction completion queue holding branch instructions to be completed, and a repair request to the branch predictor for conditional branch instructions held between the entry and the head of the queue. In response to the requests, the branch predictor updates the prediction value of the remaining taken branch count for the conditional branch instructions corresponding to the repair request.
    Type: Application
    Filed: June 29, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventor: Ryohei Okazaki
  • Publication number: 20240119292
    Abstract: A non-transitory computer-readable recording medium storing a machine learning program for causing a computer to execute a process to train a machine learning model constructed by combining a plurality of modules configured by a neural network, the process includes parsing dependency between words for a plurality of words included in a question sentence of training data that forms a set of an image and the question sentence related to the image, determining a weight to be applied to each of the plurality of modules, based on a result of the parsing, and controlling selection of a combination of modules to be used in the machine learning model from the plurality of modules, based on the weight to be applied to each of the plurality of modules.
    Type: Application
    Filed: August 17, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventor: Yuichi KAMATA
  • Publication number: 20240119351
    Abstract: A process includes obtaining, according to a predetermined update order of a policy parameter of each agent, a degree of influence on a constraint specific to a first agent and a degree of influence on a system-wide constraint in which a degree of influence by an updated policy parameter of a second agent previous to the first agent in the update order is shared, and in a case where an update width of the policy parameter of the first agent exists in both ranges respectively determined depending on the degree of influence on the constraint specific to the first agent and the degree of influence on the system-wide constraint, updating the policy parameter of the first agent and causing the degree of influence on the system-wide constraints by the updated policy parameter to be shared with a third agent next to the first agent in the update order.
    Type: Application
    Filed: June 27, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventors: Yoshihiro OKAWA, Hayato DAN, Natsuki ISHIKAWA, Masatoshi OGAWA
  • Publication number: 20240118838
    Abstract: A method includes calculating a plurality of first index values indicating access loads from one or more first virtual storage devices accessing a first physical storage device of a plurality of physical storage devices, to the first physical storage device, in a case where access loads from the one or more first virtual storage devices to a plurality of second physical storage devices including the first physical storage device are equalized across the second physical storage devices, the plurality of second physical storage devices being associated with the one or more first virtual storage devices; and outputting a plurality of second index values indicating access loads from a plurality of virtual machines to the first physical storage device, the second index values being obtained by summing the calculated first index values for each virtual machine associated with each of the one or more first virtual storage devices.
    Type: Application
    Filed: July 3, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventors: Kazutaka OGIHARA, Takashi SHIRAISHI, Masato OTSUKA, Naoya NISHIO, Hiromi FUKUMURA, Reiko KONDO
  • Publication number: 20240119118
    Abstract: A non-transitory computer-readable recording medium stores a program for causing a computer to execute a sampling process including: converting first data in a latent space into second data in a data space by using a machine learning model that has the latent space transformable into an isometric space with same probability distribution as the data space according to a predetermined transformation rule; determining whether or not to accept the second data as a transition state in a Markov chain Monte Carlo method from an accepted first sample in the data space with an acceptance probability based on the transformation rule; and outputting the second data as a second sample of the transition state from the first sample when the second data is determined to be accepted.
    Type: Application
    Filed: July 17, 2023
    Publication date: April 11, 2024
    Applicant: Fujitsu Limited
    Inventor: Yuma ICHIKAWA