Patents by Inventor Fumiaki Sato

Fumiaki Sato 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: 20210216047
    Abstract: Provided is a control system that outputs determination information on whether or not safety function specifications are satisfied. The control system includes: first and second controllers (100, 200); a drive device (300); and a data tracing module (154) that traces a state value indicating an operation state of a motor (400). The drive device (300) includes: a storage for storing safety parameters related to safety functions; and a control device (311) that stops driving of the motor (400) on the basis of the safety parameters and the state value indicating the operation state of the motor (400). The control system further includes: a support device (500) that displays the safety parameters while overlapping a tracing result of the state value obtained by the data tracing module (154).
    Type: Application
    Filed: September 26, 2019
    Publication date: July 15, 2021
    Applicant: OMRON Corporation
    Inventors: Asuka SUGIYAMA, Daisuke TAMASHIMA, Yuji SUZUKI, Fumiaki SATO
  • Publication number: 20210200166
    Abstract: In order to improve usability during parameter adjustment, this adjustment device performs a simulation in which a set value of a servo parameter received during a slide operation period of a slider bar is reflected in a FFT analysis result of response characteristics of speed control or position control, and the simulation display of the frequency characteristics and phase characteristics is updated on the adjustment screen.
    Type: Application
    Filed: January 30, 2018
    Publication date: July 1, 2021
    Applicant: OMRON Corporation
    Inventors: Kenji NAKAJIMA, Mamoru EGI, Yasushi ONO, Fumiaki SATO
  • Publication number: 20210181451
    Abstract: The present disclosure includes: an optical fiber ribbon including a plurality of optical fibers having an outer diameter of 0.2 mm or less and a ribbon resin that integrates the plurality of optical fibers in a parallel state; and a coating resin that covers the optical fiber ribbon. The optical fiber ribbon is in an assembled form in which the plurality of optical fibers are assembled so that a length in an arrangement direction is shorter than that of a case where the optical fibers are arranged in a row, and the optical fiber ribbon is covered with the coating resin in the assembled form.
    Type: Application
    Filed: November 2, 2018
    Publication date: June 17, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki SATO, Hiroki ISHIKAWA
  • Publication number: 20210181440
    Abstract: An optical fiber unit includes: an assembly in which a plurality of optical fiber ribbons in which a plurality of optical fibers are disposed in parallel are assembled; and a coating for covering the periphery of the assembly in a state of having a space inside. The coating is interrupted at a part in a circumferential direction of the optical fiber unit, and an opening part is formed.
    Type: Application
    Filed: November 2, 2018
    Publication date: June 17, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki SATO, Kuushin RYAN, Yoshiaki NAGAO
  • Publication number: 20210181442
    Abstract: An optical fiber cable includes: a plurality of ribs formed along a longitudinal direction of a cable; and a slot core in which a slot grove for housing an optical fiber ribbon is formed between the ribs. In the slot groove, a plurality of optical fiber ribbons are bundled and a plurality of subunits whose periphery is wound with a bundle material are provided, and the bundle materials between the plurality of subunits are bonded to each other.
    Type: Application
    Filed: January 9, 2019
    Publication date: June 17, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki SATO, Kuushin RYAN
  • Patent number: 11029477
    Abstract: Provided is an optical fiber cable that is easier to be laid and enables higher-density packaging than an existing cable. This optical fiber cable is a slotless type optical fiber cable including: an optical unit formed by collecting and twisting a plurality of optical fibers or ribbons each formed by arranging the plurality of optical fibers; a cable core housing the optical unit; and a cable jacket provided around the cable core, and a tension member made of a fiber body within the cable core.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: June 8, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki Sato, Yoshiaki Nagao, Ryoei Oka, Ken Takahashi, Takao Hirama
  • Patent number: 11029478
    Abstract: Provided is a polyethylene resin for use in a spacer for an optical fiber cable, the polyethylene resin having a density of 0.952 g/cm3 or more, containing a polyethylene having a molecular weight of 10,000 or less in a weight fraction of 22% or more, and containing a polyethylene having a molecular weight of 300,000 or more in a weight fraction of 12% or more.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: June 8, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoei Oka, Fumiaki Sato, Kentaro Takeda, Takao Hirama, Taro Fujita, Ken Takahashi
  • Patent number: 11009668
    Abstract: An optical fiber ribbon includes N pieces of optical fibers in a state of being disposed in parallel. At least some parts of the N pieces of optical fibers contact each other and are connected to each other by a resin; an outer diameter of the optical fiber is equal to or larger than 0.135 mm and equal to or smaller than 0.180 mm; a connection part connected by the resin or another resin and a non-connection part not connected by the resin or another resin are intermittently provided in a longitudinal direction between intermittently connected core wires of an optical fiber disposed at the Mth and an optical fiber disposed at the (M+1)th among the N pieces of optical fibers; the N is a multiple of 12; and the M is a multiple of 4.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: May 18, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki Sato, Hiroki Ishikawa
  • Publication number: 20210072477
    Abstract: An optical fiber unit includes an optical fiber ribbon in which a plurality of optical fibers are arranged in parallel, and a colored bundle tape which is longitudinally wrapped or spirally wrapped around an optical fiber ribbon bundle in which the plurality of optical fiber ribbons are stranded together. One end portion in a width direction of the bundle tape and the other end portion in the width direction of the bundle tape overlap each other and are joined to each other, and the bundle tape covers an entire circumference of the optical fiber ribbon bundle.
    Type: Application
    Filed: September 9, 2020
    Publication date: March 11, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Toyoaki KIMURA, Fumiaki SATO
  • Publication number: 20210041651
    Abstract: Provided is an optical fiber ribbon in which four or more optical fibers including a colored layer are arranged in parallel. A color of the colored layer includes: a first color for coloring the colored layer of the optical fiber arranged on one end side in an arrangement direction; and a second color which is a color different from the first color and which colors the colored layer of other optical fibers not colored with the first color. The number of optical fibers colored with the first color is different from the number of optical fibers colored with the second color.
    Type: Application
    Filed: March 5, 2019
    Publication date: February 11, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuuki SHIMODA, Yoshiaki NAGAO, Fumiaki SATO
  • Patent number: 10914906
    Abstract: An optical fiber cable having a slot core which includes a plurality of ribs formed along a cable longitudinal direction and in which slot grooves for housing optical fibers are formed between the ribs. The optical fiber cable includes: subunits each of which is formed by bundling a plurality of intermittent-connection-type optical fiber ribbons in which a connection part where adjacent optical fibers are connected to each other and a non-connection part where adjacent optical fibers are not connected to each other are intermittently provided in the longitudinal direction among some or all of optical fibers; and a thin-skin-shaped tube having Young's modulus lower than Young's modulus of a material forming the slot core. The subunits are housed in the slot grooves, and among the subunits in the slot grooves, at least a subunit located at an outer peripheral part of the slot grooves is covered with the tube.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: February 9, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki Sato, Kenta Tsuchiya, Kuushin Ryan
  • Patent number: 10896843
    Abstract: A wafer holding device includes a wafer chuck that includes a wafer holding surface coming into contact with a wafer to be held and a plurality of attraction regions provided on the wafer holding surface, and a controller configured to independently control an attraction force of an at least one of the plurality of attraction regions. In a case where fixing of the wafer is released, the controller establishes a temporarily fixing state in which the attraction force of the at least one of the plurality of attraction regions is smaller than an attraction force in fixing the wafer, and thereafter, the controller sets attraction forces of all of the plurality of attraction regions to be smaller than the attraction force in fixing the wafer.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: January 19, 2021
    Assignee: SUMITOMO HEAVY INDUSTRIES ION TECHNOLOGY CO., LTD.
    Inventors: Fumiaki Sato, Suguru Hirokawa, Masamitsu Shinozuka
  • Publication number: 20200409006
    Abstract: Provided is a manufacturing method of an optical fiber ribbon for manufacturing an intermittent-connection-type optical fiber ribbon including a connection part and a non-connection part. The manufacturing method includes: a release agent applying process of intermittently applying a release agent for preventing optical fibers from being bonded to each other with a connection resin in a longitudinal direction of the optical fibers in a state where the optical fibers are arranged in parallel; and a connection resin applying process of allowing the optical fibers in the state of being arranged in parallel to pass through a die for applying the connection resin around the optical fibers after the release agent applying process, and of curing the connection resin.
    Type: Application
    Filed: January 17, 2019
    Publication date: December 31, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki SATO, Shigeru SUEMORI, Hiroki ISHIKAWA, Masahiko ISHIKAWA, Fumikazu YOSHIZAWA
  • Publication number: 20200409005
    Abstract: An optical fiber cable having a slot core which includes a plurality of ribs formed along a cable longitudinal direction and in which slot grooves for housing optical fibers are formed between the ribs. The optical fiber cable includes: subunits each of which is formed by bundling a plurality of intermittent-connection-type optical fiber ribbons in which a connection part where adjacent optical fibers are connected to each other and a non-connection part where adjacent optical fibers are not connected to each other are intermittently provided in the longitudinal direction among some or all of optical fibers; and a thin-skin-shaped tube having Young's modulus lower than Young's modulus of a material forming the slot core. The subunits are housed in the slot grooves, and among the subunits in the slot grooves, at least a subunit located at an outer peripheral part of the slot grooves is covered with the tube.
    Type: Application
    Filed: January 17, 2019
    Publication date: December 31, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki SATO, Kenta TSUCHIYA, Kuushin RYAN
  • Patent number: 10857871
    Abstract: A vehicle rear structure prevents early deterioration of fastening portions on side members of a battery pack having a large mass caused by vertical vibrations during travelling of a vehicle. The vehicle rear structure includes a pair of side members disposed on right and left sides of the vehicle in a width direction of the vehicle and extending in a front-rear direction of the vehicle, and a battery pack whose bottom surface side is fastened to the side members. The vehicle rear structure also includes an upper back skeletal member extending in the width direction of the vehicle above the battery pack and fixed to the body of the vehicle, in which an upper surface side of the battery pack is fixed to the upper back skeletal member.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: December 8, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Fumiaki Sato
  • Patent number: 10845556
    Abstract: An optical fiber cable includes optical fiber ribbons, a slot rod and a cable jacket. The slot rod has slot grooves in which the optical fiber ribbons are housed. The cable jacket covers an outside of the slot rod. The optical fiber ribbons have, in a state in which optical fibers having an outer diameter of 0.22 mm or less are arranged in parallel, connecting portions at which adjacent ones of the optical fibers are connected to one another and non-connecting portions at which adjacent ones of the optical fibers are not connected to one another, which are provided intermittently in a longitudinal direction. A density of core number of the optical fibers included in the optical fiber cable is 4.8 cores/mm2 or more in a cross section of the optical fiber cable.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: November 24, 2020
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki Sato, Taro Fujita, Nayu Yanagawa, Yoshiaki Nagao, Nobuyuki Suzuki
  • Patent number: 10809694
    Abstract: The present invention is provided with: a servo motor; a servo driver which supplies a driving current to the servo motor and drives the servo motor; and an information processing device which transmits, to the servo driver, an operation command signal of the servo motor, wherein a movement range limiting device is further provided, which executes, on the basis of the operation command signal from the information processing device, automatic tuning that adjusts a gain in a servo motor control, and which prevents, in the automatic tuning, the servo motor from moving beyond a permissible range by returning the position of the servo motor to a prescribed start position.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: October 20, 2020
    Assignee: OMRON Corporation
    Inventors: Fumiaki Sato, Daisuke Tamashima
  • Publication number: 20200292772
    Abstract: Provided is a polyethylene resin for use in a spacer for an optical fiber cable, the polyethylene resin having a density of 0.952 g/cm3 or more, containing a polyethylene having a molecular weight of 10,000 or less in a weight fraction of 22% or more, and containing a polyethylene having a molecular weight of 300,000 or more in a weight fraction of 12% or more.
    Type: Application
    Filed: October 4, 2017
    Publication date: September 17, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoei OKA, Fumiaki SATO, Kentaro TAKEDA, Takao HIRAMA, Taro FUJITA, Ken TAKAHASHI
  • Publication number: 20200225432
    Abstract: An optical fiber cable includes: optical fiber units obtained by collecting a plurality of optical fiber ribbons in which a plurality of optical fibers are arranged in parallel; and a slot rod including a plurality of slot grooves formed in a spiral shape in order to store the optical fiber units. The optical fiber units are stranded in a longitudinal direction of the optical fiber cable in a state in which the optical fiber ribbons are not twisted, and the optical fiber units are stored in the longitudinal direction of the optical fiber cable in a state of being untwisted stranding in the slot grooves.
    Type: Application
    Filed: September 20, 2018
    Publication date: July 16, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hiroki ISHIKAWA, Fumiaki SATO, Ryoei OKA, Yuki KAWAGUCHI, Sotaro IDA
  • Publication number: 20200218021
    Abstract: A slot type optical cable includes: an optical fiber; a slot rod that includes a plurality of ribs forming a groove in which the optical fiber is accommodatable; and a cable jacket that is provided around the slot rod.
    Type: Application
    Filed: June 13, 2018
    Publication date: July 9, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Keisuke OKADA, Fumiaki SATO, Yoshiaki NAGAO