Patents by Inventor Keisuke Yamada

Keisuke Yamada 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: 12357231
    Abstract: To provide a pain evaluation device, a pain evaluation method, and a non-transitory storage medium storing a pain evaluation program that can evaluate the degree of pain in each individual. A control unit includes: an electrocardiographic waveform acquisition unit configured to acquire electrocardiographic waveform data of a user; and a pain determination unit configured to determine, based on a comparison between first electrocardiographic waveform data obtained by the electrocardiographic waveform acquisition unit in a state where no physical load is applied to the body of the user and second electrocardiographic waveform data obtained by the electrocardiographic waveform acquisition unit in a state where a load is applied to the body of the user, a degree of pain sensed by the user in a state where the load is applied.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: July 15, 2025
    Assignee: OMRON HEALTHCARE CO., LTD.
    Inventors: Keisuke Yamada, Mitsuru Samejima, Tamaki Ito
  • Publication number: 20250145825
    Abstract: Provided is a PAS molded article in which an increase in tackiness due to retention is suppressed and generated gas is reduced. Specifically, provided are a PAS resin composition obtained by mixing a PAS resin with a thermoplastic elastomer and/or a silane coupling agent, wherein the PAS resin is a crosslinked PAS resin, and has a region where tan ? at 280° C. to 330° C. is less than 1 at an angular frequency 1/s in the measurement of dynamic viscoelasticity, the amount of the thermoplastic elastomer mixed is 12 parts by mass or less relative to 100 parts by mass of the PAS resin, and/or the amount of the silane coupling agent mixed is 1.0 part by mass or less relative to 100 parts by mass of the PAS resin, and the viscosity change rate is 150% or less, a molded article, and methods for producing these.
    Type: Application
    Filed: June 2, 2022
    Publication date: May 8, 2025
    Applicant: DIC Corporation
    Inventors: Keisuke Yamada, Taku Ibaraki, Toshio Hinokimori, Hirokiyo Nakase
  • Publication number: 20250143527
    Abstract: A cleaner includes: a main body housing; a drive unit that includes a blower fan and a motor configured to rotate the blower fan, and generates suction force to suck in dust with air through a suction port leading to an inner side of the main body housing; and a first support member that is mounted on at least a part of the drive unit and includes a main body support portion supported by the main body housing. At least a part of an outer circumferential surface of the main body support portion includes an arc shape surface.
    Type: Application
    Filed: October 7, 2024
    Publication date: May 8, 2025
    Applicant: MAKITA CORPORATION
    Inventor: Keisuke YAMADA
  • Publication number: 20250100324
    Abstract: A vehicle wheel supporting device includes a hub bearing rotatably supporting a wheel, a hub carrier supporting the hub bearing, a sensor configured to detect a rotating state of the wheel, a cap configured to prevent an entry of foreign material into an inside of the hub bearing, and a deflector configured to isolate the sensor from the foreign material. The deflector is fixed to the cap.
    Type: Application
    Filed: June 14, 2024
    Publication date: March 27, 2025
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hironori FUJITA, Keisuke YAMADA, Takeshi MURAYAMA, Yoshihiko HAGIO, Masayoshi KOBAYASHI, Toru NEICHI, Hirotaka IKEGAMI
  • Publication number: 20250089960
    Abstract: A cleaner includes: a main body housing; a dust collecting housing detachably attached to the main body housing and having an air-intake port; a suction assembly housed in the main body housing and configured to generate a suction force; a first filter unit housed in the dust collecting housing and including a first filter to which air sucked through the air-intake port is supplied and a first support member supporting the first filter; a filter support mechanism configured to fix the first filter unit to the main body housing at a fixed position in a rotation direction when the first filter unit is rotated in a normal rotation direction with respect to the main body housing; and a reverse rotation limiting mechanism configured to restrict the first filter unit from being rotated beyond a limit angle from the fixed position in a reverse rotation direction.
    Type: Application
    Filed: August 22, 2024
    Publication date: March 20, 2025
    Applicant: MAKITA CORPORATION
    Inventors: Keisuke YAMADA, Junpei HASE
  • Publication number: 20250084237
    Abstract: Provided are a polyarylene sulfide resin molded article for laser welding having excellent laser transmissivity and welding strength in laser welding, a resin composition capable of forming the molded article, and production methods for the same. More specifically, in a polyarylene sulfide resin composition for laser welding containing a polyarylene sulfide resin, a weight average molecular weight of the polyarylene sulfide resin is less than 40,000, and a linear growth rate of crystals of the polyarylene sulfide resin is 10 ?m/min or less.
    Type: Application
    Filed: November 24, 2022
    Publication date: March 13, 2025
    Applicant: DIC Corporation
    Inventors: Keisuke Yamada, Yuki Deguchi
  • Patent number: 12243993
    Abstract: A method for processing positive electrode active material waste of lithium ion secondary batteries, the waste containing cobalt, nickel, manganese and lithium, the method including: a carbon mixing step of mixing the positive electrode active material waste in the form of powder with carbon to obtain a mixture having a ratio of a mass of carbon to a total mass of the positive electrode active material waste and the carbon of from 10% to 30%; a roasting step of roasting the mixture at a temperature of from 600° C. to 800° C. to obtain roasted powder; a dissolution step including a first dissolution process of dissolving lithium in the roasted powder in water or a lithium-containing solution, and a second dissolution process of dissolving the lithium in a residue obtained in the first dissolution process in water; and an acid leaching step of leaching a residue obtained in the lithium dissolution step with an acid.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: March 4, 2025
    Assignee: JX METALS CIRCULAR SOLUTIONS CO., LTD.
    Inventors: Tomonari Goda, Keisuke Yamada, Nobuaki Okajima
  • Patent number: 12202079
    Abstract: A welding device for a plate laminated body according to an embodiment includes a welding torch, a chuck for gripping a plurality of laminated plates with a lamination direction being in a horizontal position, and at least one support extending along the lamination direction for supporting the plate laminated body from below.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: January 21, 2025
    Assignee: MAYEKAWA MFG. CO., LTD.
    Inventors: Keisuke Yamada, Tetsuji Terada, Daisuke Miyazaki, Hideki Shudai
  • Publication number: 20240416418
    Abstract: [Problem] To provide a silicon oxide-coated soft magnetic powder having a silicon oxide coating with few defects so as to have an excellent insulation property, and having good dispersibility in an aqueous solution, and capable of obtaining a high filling factor when molding a green compact. [Means for Solution] A highly insulating silicon oxide-coated soft magnetic powder, in which the ratio of a volume-based cumulative 50% particle diameter D50 (HE) according to a dry laser diffraction particle size distribution analysis to the same particle diameter D50 (MT) according to a wet laser diffraction particle size distribution analysis is 0.
    Type: Application
    Filed: August 29, 2024
    Publication date: December 19, 2024
    Inventors: Hidefumi FUJITA, Koji TANOUE, Keisuke YAMADA, Tetsuya KAWAHITO
  • Patent number: 12121965
    Abstract: A silicon oxide-coated soft magnetic powder, in which the ratio of a volume-based cumulative 50% particle diameter D50 (HE) according to a dry laser diffraction particle size distribution analysis to the same particle diameter D50 (MT) according to a wet laser diffraction particle size distribution analysis is 0.7 or more, and a coverage ratio R defined by R=Si×100/(Si+M) (Si and M are molar fractions of Si and elements constituting the soft magnetic powder) is 70% or more is obtained by subjecting a slurry containing a soft magnetic powder containing 20 mass % or more of iron and a hydrolysate of a silicon alkoxide to a dispersion treatment when the surface of the soft magnetic powder is coated with the hydrolysate in a mixed solvent of water and an organic substance. The powder has good insulation/dispersibility properties and a high filling factor during molding.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: October 22, 2024
    Assignee: DOWA ELECTRONICS MATERIALS CO., LTD.
    Inventors: Hidefumi Fujita, Koji Tanoue, Keisuke Yamada, Tetsuya Kawahito
  • Publication number: 20240279488
    Abstract: The present disclosure provides a stacked body for a display device comprising a substrate layer and a functional layer including fluorine, wherein an absolute value of a charge amount on a functional layer side surface of the stacked body for a display device after an eraser test is 10.0 nC or less, wherein, in the eraser test, the functional layer side surface of the stacked body for a display device is rubbed with a 6 mm diameter eraser, for 2500 strokes, applying a load of 9.8 N.
    Type: Application
    Filed: May 12, 2022
    Publication date: August 22, 2024
    Inventors: Saori KAWAGUCHI, Keisuke YAMADA, Jun SATO
  • Publication number: 20240168209
    Abstract: The present disclosure provides a stacked body for a display device comprising a substrate layer; and a functional layer, wherein the functional layer includes a resin, an organic based ultraviolet absorber, and an inorganic based ultraviolet absorber, and when a transmitted yellowness measured by a colorimetry method not using an integrating sphere is regarded as a first transmitted yellowness, and a transmitted yellowness measured by a colorimetry method using an integrating sphere is regarded as a second transmitted yellowness, a value obtained by subtracting the second transmitted yellowness of the stacked body for a display device from the first transmitted yellowness of the stacked body for a display device is 0.4 or more.
    Type: Application
    Filed: March 11, 2022
    Publication date: May 23, 2024
    Inventors: Jun SATO, Saori KAWAGUCHI, Keisuke YAMADA
  • Publication number: 20240141198
    Abstract: The invention relates to a coating based on a fluoro acrylate polymer latex comprising inorganic particles, said coating exhibiting a very good compromise between, on the one hand, dry adhesion and adhesion in the wet state, and, on the other hand, between adhesion and ionic conductivity. This coating is intended for a separator application, in particular for Li-ion batteries. The invention also relates to a Li-ion battery comprising a separator covered with such a coating.
    Type: Application
    Filed: March 21, 2022
    Publication date: May 2, 2024
    Inventors: Francois BEAUME, Anthony BONNET, Thomas FINE, Keisuke YAMADA, Denis KATO DE ALMEIDA, Yuanqin LIU
  • Publication number: 20240073646
    Abstract: An embodiment of the present invention is an information processing system comprising: a user terminal carried by a user; a communication device being attached on a product in a store and including a sensor and a storage, the sensor configured to detect a touch on the product by a person, the storage storing unique identification information; and an information processing device being capable of communicating with the user terminal. The information processing device comprises a control unit configured to, when a detecting device, which is the communication device that has detected a touch on the product by a person, is present in the store, associate user information on the user terminal positioned in proximity to the detecting device, with the identification information on the detecting device.
    Type: Application
    Filed: December 9, 2021
    Publication date: February 29, 2024
    Applicant: SATO HOLDINGS KABUSHIKI KAISHA
    Inventors: Takashi MATSUO, Keisuke YAMADA, Takeshi SHIBATA
  • Publication number: 20230301046
    Abstract: The present disclosure provides a stacked body for a flexible display device comprising a substrate layer, and an antistatic layer, wherein a surface resistance of an antistatic layer side surface of the stacked body for a flexible display device is 9×1013?/? or less; and a surface resistance of the antistatic layer side surface of the stacked body for a flexible display device after an eraser test is 9×1013?/? or less, wherein, in the eraser test, the antistatic layer side surface of the stacked body for a flexible display device is rubbed with a 6 mm diameter eraser, for 2500 strokes, applying a load of 9.8 N.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 21, 2023
    Inventors: Keisuke YAMADA, Jun SATO, Saori KAWAGUCHI
  • Publication number: 20230296811
    Abstract: The present disclosure provides a stacked body for a flexible display device comprising a substrate layer, and an antistatic layer, wherein a contact angle with respect to water, of an antistatic layer side surface of the stacked body for a flexible display device, is 100° or more; a ratio of a contact angle with respect to water after a steel wool test, with respect to an initial contact angle with respect to water, of the antistatic layer side surface of the stacked body for a flexible display device is, 0.6 or more, wherein, in the steel wool test, the antistatic layer side surface of the stacked body for a flexible display device is rubbed with a #0000 steel wool, for 2500 strokes, applying a load of 9.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 21, 2023
    Inventors: Keisuke YAMADA, Jun SATO, Saori KAWAGUCHI
  • Patent number: 11707176
    Abstract: An upright vacuum cleaner includes a main-body part (10) having a dust-collection chamber (14) fluidly connected to a motor chamber (13) via a coupling pipe (15). A fan (13f) and a motor (13m) are housed in the motor chamber. A cleaner head (20) is pivotably and fluidly connected to the main-body part and suctions air through a suction opening (23) when a suction force is generated by the fan and the motor in the motor chamber. A straight suction passageway (24) extends through a central portion of the interior of the cleaner head in plan view. One or more batteries (50) is/are disposed within the cleaner head spaced apart (outward) from the suction passageway in the plan view.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: July 25, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Keisuke Yamada, Takayuki Tahara
  • Publication number: 20230016838
    Abstract: One embodiment of the present disclosure provides a resin layer 10 used for an image displaying device, wherein a shear storage elastic modulus G? of the resin layer 10, at 25° C. and frequency range of 500 Hz or more and 1000 Hz or less, is 30 MPa or more and 200 MPa or less, and a glass transition temperature of the resin layer 10 is 50° C. or more.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 19, 2023
    Inventors: Atsuhiro KOBAYASHI, Yousuke KOUSAKA, Takayuki FUKUDA, Kazuya HONDA, Kana YAMAMOTO, Yoshimasa OGAWA, Jun SATO, Gen FURUI, Keisuke YAMADA, Saori KAWAGUCHI
  • Publication number: 20220392676
    Abstract: A silicon oxide-coated soft magnetic powder, in which the ratio of a volume-based cumulative 50% particle diameter D50 (HE) according to a dry laser diffraction particle size distribution analysis to the same particle diameter D50 (MT) according to a wet laser diffraction particle size distribution analysis is 0.7 or more, and a coverage ratio R defined by R=Si×100/(Si+M) (Si and M are molar fractions of Si and elements constituting the soft magnetic powder) is 70% or more is obtained by subjecting a slurry containing a soft magnetic powder containing 20 mass % or more of iron and a hydrolysate of a silicon alkoxide to a dispersion treatment when the surface of the soft magnetic powder is coated with the hydrolysate in a mixed solvent of water and an organic substance. The powder has good insulation/dispersibility properties and a high filling factor during molding.
    Type: Application
    Filed: November 19, 2020
    Publication date: December 8, 2022
    Inventors: Hidefumi FUJITA, Koji TANOUE, Keisuke YAMADA, Tetsuya KAWAHITO
  • Publication number: 20220367832
    Abstract: The present disclosure provides a front panel for a display device comprising a substrate layer, an A layer, an impact absorbing layer, and a B layer, in this order, wherein a shear storage elastic modulus of the A layer and the B layer, at frequency of 950 Hz and temperature of 23° C., is 20 MPa or less, and in the impact absorbing layer, a tensile storage elastic modulus at frequency of 950 Hz and temperature of 23° C. is 200 MPa or more and 5000 MPa or less, and a glass transition temperature is 50° C. or more.
    Type: Application
    Filed: September 28, 2020
    Publication date: November 17, 2022
    Inventors: Atsuhiro KOBAYASHI, Yousuke KOUSAKA, Takayuki FUKUDA, Kazuya HONDA, Kana YAMAMOTO, Yoshimasa OGAWA, Jun SATO, Gen FURUI, Keisuke YAMADA, Saori KAWAGUCHI