Patents by Inventor Tsuyoshi Ito

Tsuyoshi Ito 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).

  • Patent number: 11669705
    Abstract: A printing apparatus includes a print execution section and a controller. The print execution section includes a printing head which has nozzles for discharging ink of specified color, the nozzles being aligned in a first direction; a head driver which drives the printing head to discharge the ink of the specified color thereby forming dots of the specified color on a printing medium; and a conveyor which conveys the printing medium relative to the printing head in any direction of the first direction and a second direction intersecting with the first direction. The controller is configured to: acquire object image data; generate a plurality of pieces of dot data, which represent formation states of the dots of the specified color, for a plurality of pixels by using the object image data; and print a printing image on the printing medium by using the plurality of pieces of dot data.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: June 6, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Satoru Arakane, Masao Mimoto, Tsuyoshi Ito
  • Patent number: 11663432
    Abstract: A printer includes a printing device including a print head, a first moving device, and a second moving device, and a controller. The controller is configured to generate first partial-dot-data by executing a first generating process with respect to first partial-image data and generate second partial-dot-data by executing a second generating process with respect to second partial-image-data. In the second generating process, the controller determines a degree of reduction in density by the second generating process to a first degree of reduction in a first case where a particular condition including a code condition that is satisfied when the second partial-image includes at least a portion of a code image is satisfied, and determine the degree of reduction in density by the second generating process to a second degree different from the first degree of reduction when the second partial-image does not include the code image.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: May 30, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Satoru Arakane, Tsuyoshi Ito, Masao Mimoto
  • Patent number: 11660479
    Abstract: An internal pressure adjustment system includes a gas supply line that supplies incombustible gas to a housing space of a robot, and an exhaust line that exhausts gas from the housing space. The internal pressure adjustment system further includes an on-off valve of a gas pressure driven type that switches between opening and closing of the exhaust line in accordance with the gas supply pressure. The exhaust line is opened in response to an increase in the gas supply pressure and the exhaust line is closed in response to a decrease in the gas supply pressure.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: May 30, 2023
    Inventors: Hidehiro Yamamoto, Shunichiro Ninomiya, Hiroki Shimpo, Tsuyoshi Ito
  • Patent number: 11655115
    Abstract: An image recording apparatus including: a recording unit; an accommodation part configured to accommodate therein a plurality of recording media including first and second recording medium and having a support surface on which the plurality of the recording media is supported; a conveying path; a feeder roller contacting the recording medium in the accommodation part from above; a reversing path; a recording medium detection unit located above the support surface and between the feeder roller and a downstream end of the support surface in the conveying direction; and a controller configured to control the feeder roller so as to feed the second recording medium in a manner that a front end portion of the second recording medium overlaps a rear end portion of the first recording medium, when the recording medium detection unit detects the rear end portion of the first recording medium fed by the feeder roller.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: May 23, 2023
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Shohei Ichikawa, Tsuyoshi Ito, Masatake Sato, Keisuke Wakakusa, Yoshimitsu Taniguchi
  • Patent number: 11648776
    Abstract: There is provided an ink-jet recording apparatus which includes a recording portion, and a contact portion configured to come into contact with an upper surface of the sheet. The contact portion has a storage portion provided on a side of the recording portion and configured to store an ink, and a protruding portion provided between both ends in a width direction intersecting the transporting direction of the storage portion, and which is protruded toward the recording section, and an upper end of the protruding portion is the highest in the contact portion.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: May 16, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Tsuyoshi Ito, Yuji Koga, Wataru Sugiyama, Kenji Samoto
  • Patent number: 11646392
    Abstract: A method of manufacturing a light-emitting device includes: providing a substrate having a first surface and a second surface opposite to the first surface; forming, on or above the first surface of the substrate, a semiconductor structure comprising a light-emitting layer; forming a crack inside the substrate, the crack reaching the first surface of the substrate; disposing a wavelength conversion layer on the second surface of the substrate; forming a first recess in the wavelength conversion layer by removing a first portion of the wavelength conversion layer, the first portion overlapping with the crack when viewed in a direction from the wavelength conversion layer toward the semiconductor structure, and leaving a second portion of the wavelength conversion layer between the first recess and the semiconductor structure; and cleaving the second portion along the crack.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: May 9, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Keiji Sakamoto, Takashi Abe, Hitoshi Minakuchi, Tsuyoshi Ito, Katsuyuki Kawabata, Kenji Hashizume
  • Publication number: 20230124193
    Abstract: A distributed processing node includes a computing device that calculates gradient data of a loss function from an output result obtained by inputting learning data to a learning target model, an interconnect device that aggregates gradient data between the distributed processing node and other distributed processing nodes, a computing function unit that is provided in a bus device and performs processing of gradient data from the computing device, and a DMA controller that controls DMA transfer of gradient data between the computing device and the bus device and DMA transfer of gradient data between the bus device and the interconnect device.
    Type: Application
    Filed: April 2, 2020
    Publication date: April 20, 2023
    Inventors: Tsuyoshi Ito, Kenji Tanaka, Yuki Arikawa, Kazuhiko Terada, Takeshi Sakamoto
  • Publication number: 20230102944
    Abstract: There is provided an image recording apparatus including: a conveyer; a carriage; a recording head; a memory; and a controller. The controller is configured to cause the conveyer to convey a recording medium in a conveyance direction such that dot recording ranges are partially overlapped with each other in the conveying operation. In a case that a predetermined condition is fulfilled, the controller is configured to cause the recording head to record a dot including a correcting portion by correcting discharge, and in a case that the predetermined condition is not fulfilled, the controller is configured to cause the recording head to record the dot including the correcting portion by ordinary discharge.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Satoru ARAKANE, Masao MIMOTO, Tsuyoshi ITO
  • Patent number: 11554583
    Abstract: A printing apparatus includes a print execution section and a controller. The print execution section includes: a printing head having nozzles arranged in a first direction; a head driver that drives the printing head to discharge ink from the nozzles thereby forming dots on a printing medium; and a movement mechanism that moves the printing medium relative to the printing head in any of the first direction and a second direction intersecting with the first direction. The controller obtains a piece of object image data, generates, by using the object image data, a plurality of pieces of dot data indicating formation states of the dots for pixels, and prints a printing image by causing the print execution section to execute discharge of the ink and movement of the printing medium by use of the pieces of dot data.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: January 17, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Satoru Arakane, Masao Mimoto, Tsuyoshi Ito
  • Publication number: 20230004425
    Abstract: A distributed processing system to which a plurality of distributed nodes are connected, each of the distributed nodes including a plurality of arithmetic devices and an interconnect device, wherein, in the interconnect device and/or the arithmetic devices of one of the distributed nodes, memory areas are assigned to each job to be processed by the distributed processing system, and direct memory access between memories for processing the job is executed at least between interconnect devices, between arithmetic devices or between an interconnect device and an arithmetic device.
    Type: Application
    Filed: December 5, 2019
    Publication date: January 5, 2023
    Inventors: Tsuyoshi Ito, Kenji Kawai, Kenji Tanaka, Yuki Arikawa, Kazuhiko Terada, Takeshi Sakamoto
  • Publication number: 20230004426
    Abstract: A distributed processing system including a plurality of distributed systems, transmission media connecting the plurality of distributed systems and a control node connected to the plurality of distributed systems, wherein each of the distributed systems includes one or more distributed nodes constituting a distributed node group and a piece of electric equipment accommodating the distributed node group. Each of the distributed nodes includes interconnects to connect to any of the transmission media and/or other distributed nodes; and the control node determines, based on a quantity of computational resources required for a job, distributed systems, distributed systems and distributed nodes in the distributed systems to execute the job from the plurality of distributed systems, selects a connection path for data to be processed among the distributed systems, and provides information about an interconnect connection path for the distributed nodes to execute the job.
    Type: Application
    Filed: December 5, 2019
    Publication date: January 5, 2023
    Inventors: Tsuyoshi Ito, Kenji Tanaka, Yuki Arikawa, Kazuhiko Terada, Takeshi Sakamoto
  • Publication number: 20230004787
    Abstract: A distributed deep learning system includes nodes (1-n, n=1, . . . , 4) and a network. The node (1-n) includes GPUs (11-n-1 and 11-n-2), and an FPGA (12-n). The FPGA (12-n) includes a plurality of GPU reception buffers, a plurality of network transmission buffers that store data transferred from the GPU reception buffers, a plurality of network reception buffers that store aggregated data received from other nodes, and a plurality of GPU transmission buffers that store data transferred from the network reception buffers. The GPUs (11-n-1 and 11-n-2) DMA-transfer data to the FPGA (12-n). The data stored in the GPU transmission buffers is DMA-transferred to the GPUs (11-n-1 and 11-n-2).
    Type: Application
    Filed: November 27, 2019
    Publication date: January 5, 2023
    Inventors: Kenji Tanaka, Yuki Arikawa, Tsuyoshi Ito, Kazuhiko Terada, Takeshi Sakamoto
  • Patent number: 11541668
    Abstract: When a specified image is recorded while ranging over a boundary between a first dot recording range and a second dot recording range, a controller of an image recording apparatus judges whether or not a predetermined condition is fulfilled, the predetermined condition including at least one of a first condition which relates to a duty and a second condition which relates to a positional deviation in a scanning direction of a landing position of a liquid. If the predetermined condition is fulfilled, the dot belonging to a correcting portion is formed by correcting discharge in which the liquid in a discharge amount smaller than a set discharge amount is discharged. If the predetermined condition is not fulfilled, the dot belonging to the correcting portion is formed by ordinary discharge in which the liquid in the set discharge amount is discharged.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: January 3, 2023
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Satoru Arakane, Masao Mimoto, Tsuyoshi Ito
  • Publication number: 20220398457
    Abstract: A distributed deep learning system includes a plurality of computation nodes mutually connected through a communication network, wherein each of the plurality of computation nodes includes a network processing unit including: a reception section that receives an OAM packet indicating states of the plurality of computation nodes; an OAM processing section that makes a record, in the OAM packet received by the reception section, of whether or not a partial arithmetic operation result is outputted from an arithmetic operation unit of the own node; and a transmission section that transmits the OAM packet including the record made by the OAM processing section to another computation node, wherein the OAM processing section, depending on the state of the other computation node indicated by the OAM packet, causes the transmission section to transmit the partial arithmetic operation result stored in a storage unit to the other computation node.
    Type: Application
    Filed: December 2, 2019
    Publication date: December 15, 2022
    Inventors: Yuki Arikawa, Kenji Tanaka, Tsuyoshi Ito, Kazuhiko Terada, Takeshi Sakamoto
  • Publication number: 20220398431
    Abstract: Provided is a distributed deep learning system including a plurality of distributed processing nodes, in which each of the plurality of distributed processing nodes includes a header reading unit configured to read pieces of layer information of headers of a first data frame that has arrived at an own node and a second data frame that has arrived next, and in which the pieces of layer information are compared with each other, calculation processing is executed for a data frame including data that belongs to a layer closer to an input layer, and calculation processing for a data frame including data that belongs to a layer closer to an output layer is skipped.
    Type: Application
    Filed: November 13, 2019
    Publication date: December 15, 2022
    Inventors: Kenji Tanaka, Yuki Arikawa, Kenji Kawai, Junichi Kato, Tsuyoshi Ito, Huycu Ngo, Takeshi Sakamoto
  • Patent number: 11524284
    Abstract: An exhaust gas purification device has a metal substrate and a catalyst layer on the metal substrate, wherein the metal substrate is a wound body of one or a plurality of metal foils, at least one of the one or a plurality of metal foils is a perforated metal foil having holes, the catalyst layer contains noble metal catalyst particles and a carrier for carrying the noble metal catalyst particles, and more noble metal catalyst particles are present in the catalyst layer on side surfaces of holes, which face an upstream side of an exhaust gas flow, than in the catalyst layer on side surfaces of holes, which face a downstream side of the exhaust gas flow.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: December 13, 2022
    Assignee: CATALER CORPORATION
    Inventors: Kohei Takasaki, Yuji Matsuhisa, Nobuaki Bando, Hiroshi Ono, Tomohito Mizukami, Tsuyoshi Ito
  • Publication number: 20220391701
    Abstract: An embodiment is a computer including a plurality of accelerators, a computer for distributed processing includes a plurality of accelerators to each of which a part of a neural network is assigned and each of which is configured to derive a learning result based on input data and update each parameter value included in the part of the neural network by using the learning result; a plurality of network interface circuits each of which is configured to transmit and receive information on learning including the learning result via a network, and an arithmetic processing unit that is configured to control the plurality of accelerators and the plurality of network interface circuits to cause each of the plurality of accelerators to derive a learning result based on input data and to cause the plurality of network interface circuits to transmit and receive information on learning including the learning result.
    Type: Application
    Filed: December 2, 2019
    Publication date: December 8, 2022
    Inventors: Kenji Tanaka, Yuki Arikawa, Tsuyoshi Ito, Kazuhiko Terada, Takeshi Sakamoto
  • Publication number: 20220391666
    Abstract: A distributed deep learning system includes a plurality of calculation nodes connected to one another via a communication network. Each of the plurality of calculation nodes includes a computation unit that calculates a matrix product included in computation processing of a neural network and outputs a partial computation result, a storage unit that stores the partial computation result, and a network processing unit including a transmission unit that transmits the partial computation result to another calculation node, a reception unit that receives a partial computation result from another calculation node, an addition unit that obtains a total computation result, which is a sum of the partial computation result stored in the storage unit and the partial computation result from another calculation node, a transmission unit that transmits the total computation result to another calculation node, and a reception unit that receives a total computation result from another calculation node.
    Type: Application
    Filed: November 14, 2019
    Publication date: December 8, 2022
    Inventors: Yuki Arikawa, Kenji Tanaka, Tsuyoshi Ito, Kazuhiko Terada, Takeshi Sakamoto
  • Patent number: 11491800
    Abstract: A printing apparatus includes: a print execution section and a controller. The print execution section includes: a printing head having nozzles, an ink having a specified color being discharged from the nozzles; a head driver which drives the printing head to form dots having the specified color on a printing medium by discharging the ink having the specified color from the nozzles; and a movement mechanism which moves the printing medium relative to the printing head. The controller is configured to: obtain object image data; generate, by using the object image data, a plurality of pieces of dot data indicating formation states of the dots having the specified color, for a plurality of pixels; and print a printing image by causing the print execution section to execute discharge of the ink having the specified color and movement of the printing medium by use of the pieces of dot data.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: November 8, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Satoru Arakane, Masao Mimoto, Tsuyoshi Ito
  • Patent number: 11465409
    Abstract: A controller acquires image recording data for recording a plurality of passes; determines a first movement distance of a carriage for recording each of the plurality of passes; determines a non-usage ratio that is a ratio of a number of unused nozzles in a last pass of the plurality of passes to a total number of the plurality of nozzles arranged in a conveyance direction; determines a second movement distance in a particular pass which is recorded before the last pass, the second movement distance being a movement distance of the carriage assuming that the particular pass is recorded without using nozzles of a first ratio smaller than or equal to the non-usage ratio; and in response to determining that the second movement distance is shorter than the first movement distance, performs image recording of the particular pass without using the nozzles of the first ratio.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: October 11, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Yasuo Ono, Tsuyoshi Ito, Masao Mimoto, Satoru Arakane, Hirotoshi Maehira