Patents by Inventor Takuya Fukuda

Takuya Fukuda 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: 20220204724
    Abstract: Provided are: a nucleating agent capable of simultaneously improving the thermal stability and the transparency of a polyolefin resin; a polyolefin-based resin composition containing the same; and a molded article of the composition. The nucleating agent contains a compound represented by Formula (1) below where R1 to R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms; R5 represents an alkanediyl group having 1 to 4 carbon atoms; and M represents a hydrogen atom or a sodium atom. In this nucleating agent, the mass ratio of phosphorus atoms and sodium atoms, P/Na, is in a range of 1.200 to 1.500.
    Type: Application
    Filed: March 15, 2022
    Publication date: June 30, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Takuya FUKUDA, Hiroaki MIZUSHIMA, Yuri YOKOTA
  • Publication number: 20220119559
    Abstract: Provided are: a nucleating agent composition, which can impart excellent crystallinity to an olefin-based resin and with which a molded article having excellent mechanical properties and transparency can be obtained; an olefin-based resin composition; a molded article of the same; and a method of producing an olefin-based resin composition. The nucleating agent composition contains a nucleating agent and an auxiliary agent.
    Type: Application
    Filed: January 21, 2020
    Publication date: April 21, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Hiroaki MIZUSHIMA, Takuya FUKUDA, Yuri YOKOTA
  • Patent number: 11306194
    Abstract: Provided are: a nucleating agent capable of simultaneously improving the thermal stability and the transparency of a polyolefin resin; a polyolefin-based resin composition containing the same; and a molded article of the composition. The nucleating agent contains a compound represented by Formula (1) below where R1 to R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms; R5 represents an alkanediyl group having 1 to 4 carbon atoms; and M represents a hydrogen atom or a sodium atom. In this nucleating agent, the mass ratio of phosphorus atoms and sodium atoms, P/Na, is in a range of 1.200 to 1.500.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: April 19, 2022
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Hiroaki Mizushima, Yuri Yokota
  • Publication number: 20220105589
    Abstract: A dissimilar metal welding method includes a preparing step and a working step. In the preparing step, a pin member is moved to a second metal material while being rotated, and a tool body is driven such that the tool body is moved in a direction away from the second metal material while being rotated. In the working step, a through-hole is formed in the second metal material by the pin member, and then a distal end of the pin member is dug into the first metal material to a predetermined depth position in the first metal material.
    Type: Application
    Filed: February 5, 2020
    Publication date: April 7, 2022
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takao SEKIGUCHI, Yoshitaka MURAMATSU, Takuya FUKUDA
  • Patent number: 11292076
    Abstract: A friction spot joining device configured to carry out friction spot joining of a pair of plates includes an advance-retreat drive configured to advance and retreat a tool to/from the plates a rotation drive configured to rotate the tool, and a controller configured to control the advance-retreat drive and the rotation drive. The controller executes a joining control in which the tool is caused to give pressure to the plates while the tool is rotated so that the tool is pushed into the plates, and a separating control in which the tool is separated from the plates when an integrated value (P=ID×?T) calculated using a current value (ID) of the rotation drive during the joining control and a driving period of time (?T) during the joining control is determined to be reached a target value.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: April 5, 2022
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takuya Fukuda, Ryoji Ohashi, Masahiro Miyake, Yoshitaka Muramatsu, Hajime Kashiki
  • Publication number: 20220002602
    Abstract: An adhesive composition for use in debonding with infrared radiation, which composition can achieve debonding through irradiation with an infrared ray, the composition including a component (A) which is cured through hydrosilylation and a component (B) which is at least one species selected from the group consisting of a component containing an epoxy-modified polyorganosiloxane, a component containing a methyl group-containing polyorganosiloxane, and a component containing a phenyl group-containing polyorganosiloxane.
    Type: Application
    Filed: November 14, 2019
    Publication date: January 6, 2022
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Kazuhiro SAWADA, Shunsuke MORIYA, Tetsuya SHINJO, Takuya FUKUDA
  • Patent number: 11185944
    Abstract: During friction stir spot welding, a controller executes a temperature holding control in which the controller controls a rotation driving unit so that a rotational speed of a tool is set to a value which is equal to or lower than a predetermined rotational speed at which a temperature of the tool is regarded as being equal to a welding temperature of lapped portions, and in which the controller controls a displacement driving unit to increase and reduce a welding pressure or plunge depth of the tool so that the temperature of the tool is held in a predetermined set range.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: November 30, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryoji Ohashi, Yoshitaka Muramatsu, Masahiro Miyake, Takuya Fukuda
  • Publication number: 20210339337
    Abstract: A friction stir joining device includes a tool, a rotary driver, a linear-movement driver, and a control device. The control device is adapted to (A) dispose so that a first member opposes to the tool, and the first member, a second member and a third member are located in this order, (B) control the linear-movement driver and the rotary driver so that a tip-end part of the tool presses a joined part of a to-be-joined object while the tool is rotated, (C) control the linear-movement driver and the rotary driver so that the third member softened extends above an upper surface of the second member, and the tip-end part of the tool reaches a first position, and (D) control the linear-movement driver and the rotary driver so that the tool is drawn out from the joined part while the tool is rotated.
    Type: Application
    Filed: October 10, 2019
    Publication date: November 4, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Naoki TAKEOKA, Ryoji OHASHI, Yoshitaka MURAMATSU, Takuya FUKUDA
  • Patent number: 11135674
    Abstract: A method of performing friction stir spot welding of a plurality of steel plates, includes the steps of: friction stirring a spot welding portion of the plurality of steel plates by pressing a tool against the spot welding portion while rotating the tool, to plasticize the spot welding portion by friction heat; cooling the spot welding portion to cause martensitic transformation to occur in the spot welding portion, after the step of friction stirring the spot welding portion; and tempering the spot welding portion by the friction heat by re-pressing the tool against the spot welding portion while rotating the tool, after the step of cooling the spot welding portion.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: October 5, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryoji Ohashi, Yoshitaka Muramatsu, Masahiro Miyake, Takuya Fukuda
  • Patent number: 11040413
    Abstract: A spot welding apparatus which performs spot welding of a plurality of plate materials which are lapped to each other, comprises a displacement driving unit which displaces lapped portions of the plurality of plate materials and a tool relatively to each other; a rotation driving unit which rotates the tool; and a controller which controls the displacement driving unit and the rotation driving unit so that the tool is plunged into the lapped portions in a state in which the tool is rotated to perform friction stir spot welding. The controller controls the displacement driving unit so that at least one friction stir spot weld is formed in a region of the lapped portions which is between a plurality of resistance spot welds formed by resistance spot welding.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: June 22, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryoji Ohashi, Yoshitaka Muramatsu, Masahiro Miyake, Takuya Fukuda
  • Patent number: 11007646
    Abstract: A programming assistance apparatus includes circuitry. The circuitry generates a first display data to be displayed in a first input area in which to input, for each of a plurality of task groups including a plurality of tasks, a first condition under which at least one robot executes the tasks. The circuitry generates a second display data to be displayed in a second input area in which to input a second condition for an execution order of the plurality of task groups. The circuitry sets the first condition based on an input into the first input area. The circuitry sets the second condition based on an input into the second input area. The circuitry generates, based on the first condition and the second condition, a motion program for causing the at least one robot to execute the plurality of task groups.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: May 18, 2021
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Makoto Takahashi, Takuya Fukuda, Wataru Watanabe
  • Patent number: 10982072
    Abstract: A particulate nucleating agent of the present invention is a particulate nucleating agent including a predetermined aromatic phosphate metal salt, in which a content of aliphatic amine is equal to or more than 3 ppm and equal to or less than 190 ppm based on a mass of the entirety of the particulate nucleating agent.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: April 20, 2021
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Yuri Yokota
  • Patent number: 10974344
    Abstract: A friction stir spot joining apparatus includes a tool configured to be brought into contact with or separated from a surface of a second plate member on the opposite side to a first plate member of the first and second plate members that are overlaid on each other, a driving unit configured to rotationally drive the tool around its axis, a position adjusting unit configured to adjust a relative position between the tool and the second plate member, a control unit configured to control the driving unit and the position adjusting unit, and a breakage detection unit configured to detect breakage of the tool by controlling the control unit to dispose the tool at a contact position with the second plate member or a predetermined pushed position at one joining position.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: April 13, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryoji Ohashi, Yoshitaka Muramatsu, Masahiro Miyake, Takuya Fukuda
  • Patent number: 10974343
    Abstract: A friction stir spot joining apparatus for spot-joining a pair of plate members by friction stirring with a tool's pin portion includes an advancing and retracting driving device configured to advance and retract the tool to and from plate members, a rotationally driving device configured to rotate the tool, and control device configured to control advancing and retracting driving device and rotationally driving device. The control device executes joining control of pushing pin portion into plate members while the tool is rotated and causing pin portion to pressurize plate members, and executes heat dissipation control of reducing at least one of a rotation speed and a tool's pressurization force more than in the joining control while tool is rotated and pin portion is kept pushed into plate members after joining control and separating tool from plate members after the pin portion's surface temperature becomes less than an oxidation onset temperature.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: April 13, 2021
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryoji Ohashi, Yoshitaka Muramatsu, Masahiro Miyake, Takuya Fukuda
  • Publication number: 20210047498
    Abstract: Provided are: a nucleating agent capable of simultaneously improving the thermal stability and the transparency of a polyolefin resin; a polyolefin-based resin composition containing the same; and a molded article of the composition. The nucleating agent contains a compound represented by Formula (1) below where R1 to R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms; R5 represents an alkanediyl group having 1 to 4 carbon atoms; and M represents a hydrogen atom or a sodium atom. In this nucleating agent, the mass ratio of phosphorus atoms and sodium atoms, P/Na, is in a range of 1.200 to 1.500.
    Type: Application
    Filed: February 4, 2019
    Publication date: February 18, 2021
    Applicant: ADEKA CORPORATION
    Inventors: Takuya FUKUDA, Hiroaki MIZUSHIMA, Yuri YOKOTA
  • Patent number: 10913150
    Abstract: A processing system includes a robot including at least one arm each including a hand at an end of the at least one arm; a first position measurement sensor, which is to be grasped by the hand and moved by the at least one arm, and is configured to measure a position of a device to be used when the robot processes a processing target; and a robot control device configured to: cause the hand to grasp the first position measurement sensor; and cause the first position measurement sensor to measure the position of the device.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: February 9, 2021
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takuya Fukuda, Yukio Hashiguchi, Kenji Matsukuma, Makoto Umeno
  • Publication number: 20210023649
    Abstract: A friction welding apparatus is provided, which includes a tool, a rotary driver, a linear driver, and a control device. The control device controls the linear driver and the rotary driver so that the tool is rotated while a tip-end part thereof is pressed against a to-be-joined part of a to-be-joined object to increase a temperature of the to-be-joined part at or above an A1 transformation point, the tip-end part of the tool reaches a given first position so that a softened second member sticks into a softened first member, and the tool is drawn out from the to-be-joined part while the tool is rotated.
    Type: Application
    Filed: March 15, 2019
    Publication date: January 28, 2021
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yoshitaka MURAMATSU, Ryoji OHASHI, Naoki TAKEOKA, Takuya FUKUDA
  • Patent number: 10889003
    Abstract: A robot system includes a robot, a robot work environment in which the robot works, and a robot controller including circuitry that stores position information indicating a position of each of measured robot postures in the robot work environment, obtains a measured position of each of the measured robot postures based on a detection result obtained by a sensor, and corrects a movement position of the robot based on the measured position.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: January 12, 2021
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takuya Fukuda, Yukio Hashiguchi, Noriko Abe
  • Patent number: 10882974
    Abstract: A particulate nucleating agent of the present invention is a particulate nucleating agent containing an aromatic phosphoric acid ester metallic salt represented by a predetermined expression, in which a range WA of a particle size distribution before packed treatment and a range WB of the particle size distribution after packed treatment satisfy an expression: 0.3?WA/WB?13.5.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: January 5, 2021
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Yuri Yokota
  • Patent number: 10800800
    Abstract: Provided are: a composition capable of imparting excellent transparency and physical properties to thermoplastic resins; a thermoplastic resin composition containing the composition; and a molded article of the thermoplastic resin composition. The composition contains the following (A), (B), (C) and (D), and ratios of respective components with respect to a total amount of (A) to (D) are: (A) 35 to 75% by mass, (B) 10 to 40% by mass, (C) 0 to 20% by mass, and (D) 5 to 35% by mass.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: October 13, 2020
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Yuri Yokota