Patents by Inventor Takashi Usui

Takashi Usui 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: 20210363396
    Abstract: An object is to provide an azeotropic or azeotrope-like composition containing HFO-1132(E) and HFC-143a, and a method for separating HFO-1132(E) and HFC-143a from a composition containing HFO-1132(E) and HFC-143a. Provided as a solution to achieve the object is a composition containing a refrigerant, wherein the refrigerant is azeotropic or azeotrope-like and contains trans-1, 2-difluoroethylene (HFO-1132(E)) and 1,1,1-trifluoroethane (HFC-143a), and the proportion of HFO-1132(E) is 80 mass % or more and the proportion of HFC-143a is 20 mass % or less based on the total amount of HFO-1132(E) and HFC-143a in the refrigerant.
    Type: Application
    Filed: August 5, 2021
    Publication date: November 25, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kazuhiro TAKAHASHI, Tsubasa NAKAUE, Takehiro CHAKI, Takashi USUI, Megumi KUSHIDA
  • Publication number: 20210368300
    Abstract: Techniques for controlling updating of information stored on a device, the information including information of a first type and information of a second type. The techniques include determining, using at least one processor, when a first item of information of the first type and a second item of information of the second type are to be updated, wherein the second item of information is to be updated more frequently than the first item of information; and causing the device to update the first and second items of information in accordance with the determination at least in part by wirelessly communicating with at least one other device.
    Type: Application
    Filed: August 9, 2021
    Publication date: November 25, 2021
    Applicant: Sony Group Corporation
    Inventors: Shinichiro TSUDA, Takashi USUI, Naoki IDE
  • Publication number: 20210340082
    Abstract: Provided are a method for producing a fluoroethane, which is the desired product, with high selectivity; and a method for producing a fluoroolefin. The production method according to the present disclosure comprises obtaining a product comprising a fluoroethane represented by CX1X2FCX3X4X5 (wherein X1, X2, X3, X4, and X5 are the same or different and each represents a hydrogen atom, a fluorine atom, or a chlorine atom; and at least one of X1, X2, X3, X4, and X5 represents a hydrogen atom) from a fluoroethylene by a reaction in the presence of at least one catalyst in at least one reactor. The reaction is performed by introducing a starting material gas comprising the fluoroethylene into the reactor, and the water content in the starting material gas is 150 ppm by mass or less based on the total mass of the starting material gas.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 4, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki IWAMOTO, Takashi USUI, Takehiro CHAKI, Kazuhiro TAKAHASHI, Tsubasa NAKAUE
  • Publication number: 20210323899
    Abstract: The present disclosure provides a method for purifying HFO-1132 to a high purity while suppressing the isomerization and loss of HFO-1132. Specifically, the present disclosure provides a method for purifying 1,2-difluoroethylene, which is HFO-1132, the method comprising, in this order, step 1 of bringing a composition comprising trans-1,2-difluoroethylene, which is HFO-1132(E), and water into contact with a zeolite having an average pore size of 2 to 4 ? to reduce the water content from the composition; and step 2 of recovering a purified product containing HFO-1132(E) and a reduced content of water, and containing less than 0.1% by volume of HFO-1132(Z).
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Kazuhiro TAKAHASHI, Tomoyuki IWAMOTO
  • Publication number: 20210317054
    Abstract: The production method according to the present disclosure comprises obtaining a product containing the fluoroethane from a fluoroethylene by a reaction in the presence of catalysts. Each catalyst is formed by supporting a noble metal on a carrier. A reactor for performing the reaction is filled with a catalyst having a noble metal concentration of C1 mass % based on the entire catalyst and a catalyst having a noble metal concentration of C2 mass % based on the entire catalyst to form an upstream portion and a downstream portion, respectively; and C1<C2. The reaction is performed by bringing the fluoroethylene represented by formula (3) and hydrogen gas into contact with the upstream portion and the downstream portion in this order.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 14, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki IWAMOTO, Takashi USUI, Takehiro CHAKI, Tsubasa NAKAUE, Kazuhiro TAKAHASHI
  • Publication number: 20210309593
    Abstract: The production method according to the present disclosure comprises obtaining a product comprising a fluoroethane from a fluoroethylene by a reaction in the presence of at least one catalyst. The reaction is performed in two or more reaction zones. Each reaction zone comprises a catalyst, and the fluoroethylene is supplied to each reaction zone to perform the reaction.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomoyuki IWAMOTO, Takashi USUI, Takehiro CHAKI, Kazuhiro TAKAHASHI, Tsubasa NAKAUE
  • Publication number: 20210293723
    Abstract: An optical inspection device 1A includes a light selection unit 30, a detection element 40, and a first image formation element 20. The light selection unit 30 has the plurality of wavelength selection regions 32 that selectively transmits or reflects the light rays L of mutually different wavelength regions. The detection element 40 detects scattering characteristic information of the light rays L having reached the light receiving surface 41 via the light selection unit 30. The first image formation element 20 causes scattered light scattered by a subject S to enter a light receiving surface 41 via the light selection unit 30. The plurality of wavelength selection regions 32 has different azimuth angles with respect to the optical axis Z of the first image formation element 20.
    Type: Application
    Filed: August 31, 2020
    Publication date: September 23, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroshi OHNO, Takashi USUI
  • Patent number: 11115783
    Abstract: Techniques for controlling updating of information stored on a device, the information including information of a first type and information of a second type. The techniques include determining, using at least one processor, when a first item of information of the first type and a second item of information of the second type are to be updated, wherein the second item of information is to be updated more frequently than the first item of information; and causing the device to update the first and second items of information in accordance with the determination at least in part by wirelessly communicating with at least one other device.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: September 7, 2021
    Assignee: SONY CORPORATION
    Inventors: Shinichiro Tsuda, Takashi Usui, Naoki Ide
  • Publication number: 20210253502
    Abstract: The present disclosure provides a method for producing fluoroolefin represented by formula (1): CX1X2=CX3X4, wherein X1, X2, X3, and X4 are the same or different, and represent a hydrogen atom or a fluorine atom, with high selectivity. Specifically, the present disclosure is a method for producing a fluoroolefin represented by formula (1) described above, the method comprising a dehydrofluorination step of bringing a fluorocarbon represented by formula (2): CX1X2FCX3X4H, wherein X1, X2, X3, and X4 are as defined above, into contact with a metal catalyst to perform dehydrofluorination, the dehydrofluorination step being performed in the gas phase in the presence of water, the concentration of the water being less than 500 ppm relative to the fluorocarbon represented by formula (2).
    Type: Application
    Filed: April 22, 2019
    Publication date: August 19, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Tsubasa NAKAUE, Takehiro CHAKI, Yuzo KOMATSU
  • Publication number: 20210246090
    Abstract: The present invention aims to provide an efficient method for obtaining a desired isomer of HFO-1132 from a composition comprising trans-1,2-difluoroethylene (HFO-1132(E)) and cis-1,2-difluoroethylene (HFO-1132(Z)). The present invention provides, as a means for solving the problem, a method for producing HFO-1132(E) and/or HFO-1132(Z), comprising steps (1) to (3): (1) supplying a composition comprising HFO-1132(E) and/or HFO-1132(Z) to a reactor filled with a catalyst to perform an isomerization reaction between the HFO-1132(E) and the HFO-1132(Z); (2) separating the reaction product obtained in step (1) into a first stream comprising the HFO-1132(E) as a main component, and a second stream comprising the HFO-1132(Z) as a main component; and (3) recycling the first stream or the second stream obtained in step (2) to the reactor, to subject the first stream or the second stream to the isomerization reaction.
    Type: Application
    Filed: June 13, 2019
    Publication date: August 12, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Tsubasa NAKAUE, Yuzo KOMATSU, Kazuhiro TAKAHASHI, Takehiro CHAKI, Megumi KUSHIDA
  • Publication number: 20210240313
    Abstract: Provided is an input editing apparatus including a display that displays a drawn and input object, an object display that displays the object on the display, a cluster recognizer that recognizes trajectories of the object for each cluster, a section setter that sets a section in which recognized clusters are divided, a section display that displays the set section on the display, and a controller that controls to display the object in a first display region of the display and the section in a second display region of the display. The controller associates the object with the section and displays the section, based on a predetermined rule, and if an operation is performed on the selected section, the operation is reflected on the object associated with the selected section at a position where the object is displayed.
    Type: Application
    Filed: February 1, 2021
    Publication date: August 5, 2021
    Inventor: TAKASHI USUI
  • Publication number: 20210231616
    Abstract: A detection apparatus according to an embodiment includes a convergence member and a sensor. The convergence member comes into contact with a test object and has an elastic-modulus distribution in which an elastic modulus decreases as a distance from a center of the convergence member increases. The sensor is placed in an area including the center of the convergence member. The sensor detects, through the convergence member, an elastic wave generated from the test object.
    Type: Application
    Filed: August 31, 2020
    Publication date: July 29, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takashi USUI, Hiroshi OHNO
  • Publication number: 20210181156
    Abstract: According to one embodiment, a detection system is provided that detects a state of a structure consisting of a first member that supports a traveling surface along which a vehicle travels from downward; a second member provided on an opposite side of the traveling surface with respect to the first member; and a welded portion that is provided along an end of the second member facing the first member and fixes the first member and the second member. The detection system includes: a first sensor group including first AE sensors; a second sensor group including second AE sensors; and a position orientator that performs separately a first determination that determines a generation source position of elastic waves based on the detection results of the first AE sensors and a second determination that determines the generation source position of elastic waves based on the detection results of the second AE sensors.
    Type: Application
    Filed: February 16, 2021
    Publication date: June 17, 2021
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takashi USUI, Kazuo WATABE, Takahiro OMORI, Hidefumi TAKAMINE, Akihiro KASAHARA
  • Publication number: 20210181011
    Abstract: According to an embodiment, a nondestructive inspection method includes: detecting, by a plurality of sensors installed in a truck that supports a vehicle body, an elastic wave generated when a lifting member inserted between the vehicle body and the truck moves the vehicle body up and down; and estimating, by an evaluation device, a position of a defect in the truck, based on the elastic wave detected by the plurality of sensors.
    Type: Application
    Filed: August 28, 2020
    Publication date: June 17, 2021
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Kazuo WATABE, Toshiki TAKAYASU, Takashi USUI, Yoshiyuki SAKAMOTO, Isao TAKAHASHI
  • Patent number: 11036315
    Abstract: A pen-type input device having a plurality of functions, including: a pillar-shaped pen body; a contact sensor; a detection position determiner that determines a holding position of the pen body based on a detection result of the contact sensor; and a function specifier that specifies a function of the pen-type input device based on a determination result of the detection position determiner. The contact sensor detects a position where a finger of a holding hand that holds the pen body contacts, and a position where a portion between a base of a thumb and a base of a forefinger of the holding hand contacts.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: June 15, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Takashi Usui
  • Patent number: 11027480
    Abstract: A method for manufacturing a high pressure tank capable of uniformly heating a thermosetting resin in a short time is provided. A method for manufacturing a high-pressure tank including: a step (a) of preparing a tank intermediate product including a fiber-reinforced resin layer formed by winding a carbon fiber impregnated with a thermosetting resin around a liner including a cap attached thereto; and a step (b) of performing a process for thermosetting the fiber-reinforced resin layer of the tank intermediate product by induction-heating the fiber-reinforced resin layer using induction-heating means, in which: the induction-heating means includes first induction-heating means for induction-heating a trunk part of the tank intermediate product and second induction-heating means for induction-heating a dome part of the tank intermediate product; and a temperature of the trunk part of the tank intermediate product and a temperature of the dome part thereof are controlled independently.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: June 8, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yuichiro Hama, Takashi Usui, Tomoyoshi Kobayashi
  • Publication number: 20210147323
    Abstract: The present invention aims to provide an efficient method for obtaining a desired isomer of HFO-1132 from a composition comprising trans-1,2-difluoroethylene (HFO-1132(E)) and cis-1,2-difluoroethylene (HFO-1132(Z)). The present invention provides, as a means for solving the problem, a method for producing HFO-1132(E) and/or HFO-1132(Z), comprising steps (1) to (3): (1) supplying a composition comprising HFO-1132(E) and/or HFO-1132(Z) to a reactor filled with a catalyst to perform an isomerization reaction between the HFO-1132(E) and the HFO-1132(Z); (2) separating the reaction product obtained in step (1) into a first stream comprising the HFO-1132(E) as a main component, and a second stream comprising the HFO-1132(Z) as a main component; and (3) recycling the first stream or the second stream obtained in step (2) to the reactor, to subject the first stream or the second stream to the isomerization reaction.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 20, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takashi USUI, Tsubasa NAKAUE, Yuzo KOMATSU, Kazuhiro TAKAHASHI, Takehiro CHAKI, Megumi KUSHIDA
  • Patent number: 11012819
    Abstract: Techniques for controlling updating of information stored on a device, the information including information of a first type and information of a second type. The techniques include determining, using at least one processor, when a first item of information of the first type and a second item of information of the second type are to be updated, wherein the second item of information is to be updated more frequently than the first item of information; and causing the device to update the first and second items of information in accordance with the determination at least in part by wirelessly communicating with at least one other device.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: May 18, 2021
    Assignee: SONY CORPORATION
    Inventors: Shinichiro Tsuda, Takashi Usui, Naoki Ide
  • Patent number: 11002711
    Abstract: According to one embodiment, a detection system includes a base member, a plurality of sensors, and one or more processors. The plurality of sensors are provided on the base member, and detect an elastic wave from a test object of a plurality of test objects. The elastic wave propagates through a connecting member among a plurality of connecting members that connect the test objects with the base member. The connecting members each have a thickness smaller than a wavelength of the elastic wave. The one or more processors detect an abnormality of the test objects based on the detected elastic wave.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: May 11, 2021
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Takashi Usui, Yasuo Yoshii, Kazuo Watabe
  • Patent number: 10990052
    Abstract: An image formation apparatus includes an image former and a detection sensor. The image former forms an image on paper delivered in a first paper delivery path. The detection sensor includes an irradiator and an acquirer. The irradiator and the acquirer are arranged at positions facing each other through the first paper delivery path. The irradiator irradiates the paper with a predetermined pattern image while the paper is passing through the detection sensor. The acquirer acquires a calculation image including a transmission image formed after the predetermined pattern image has been transmitted through the paper. In the image formation apparatus, the degree of image expansion is calculated from a predetermined area including the transmission image in the calculation image, and printing conditions are adjusted according to the degree of image expansion.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: April 27, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Takashi Usui