Patents Assigned to SEKISUI POLYMATECH CO., LTD.
  • Patent number: 11596061
    Abstract: In a stretchable wiring member having a relatively hard portion, such as a contact point, there is provided a solution to malfunction of the stretchable wiring member caused by stress generated at a boundary between the hard portion and a flexible portion. A stretchable wiring member includes a flexible substrate having stretchability, a stretchable wiring line disposed along the flexible substrate and configured to be stretched in association with stretching deformation of the flexible substrate, and a hard member that is harder than the flexible substrate. The flexible substrate has an extension layer portion interposed between the hard member and the stretchable wiring line.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: February 28, 2023
    Assignee: SEKISUI POLYMATECH CO., LTD.
    Inventor: Takaya Kimoto
  • Publication number: 20230040225
    Abstract: A photocurable composition is provided. A cured product formed by curing the photocurable composition has reworkability and excellent heat resistance while having flexibility. The photocurable composition includes a telechelic acrylic polymer having an acryloyl group at both ends; a polyfunctional acrylic polymer having acryloyl groups; a monofunctional acrylic monomer; and a fumed silica including at least one of a hydrophilic fumed silica or a fumed silica having a polar group. The photocurable composition has a Martens hardness of 0.07 to 0.75 N/mm2, where the Martens hardness is a hardness after the photocurable composition is cured.
    Type: Application
    Filed: March 24, 2021
    Publication date: February 9, 2023
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventor: Yu Kekura
  • Publication number: 20220410448
    Abstract: An object is to provide a heat conductive sheet having good handleability when mounting between the heating element and the heat dissipator, and softness that enables the distortion of the heating element, the heat dissipator, and the like to be suppressed in use. The heat conductive sheet contains: a matrix comprising a cured product of organopolysiloxane; and heat conductive fillers comprising anisotropic fillers with their major axes oriented in the thickness direction, and has a load property P represented b formula (1) below of 0.1 to 0.7: Load property P=(F30?F20)/F10 (1) wherein F10 is a load of the heat conductive sheet at 10% compression, F20 is a load of the heat conductive sheet at 20% compression, and F30 is a load of the heat conductive sheet at 30% compression.
    Type: Application
    Filed: December 2, 2020
    Publication date: December 29, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventor: Hiroki KUDOH
  • Patent number: 11496823
    Abstract: An earpiece is provided. The earpiece can deform flexibly so as to follow the earhole when in use, and the earpiece can be manufactured easily. An earpiece includes an earpiece body and a filler filled in the earpiece body. The earpiece body has a container-like base member formed of a rubber-like elastic diaphragm that is shaped like a container and has an opening portion. The earpiece body also has a lid member that seals the opening portion liquid-tightly. The filler is flowable at room temperature.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: November 8, 2022
    Assignee: SEKISUI POLYMATECH CO., LTD.
    Inventor: Shinya Mizoe
  • Publication number: 20220347996
    Abstract: Provided is a thermally conductive sheet having high thermal conductivity not only in a thickness direction of the sheet but also in one direction along a plane direction of the sheet. The thermally conductive sheet is a thermally conductive sheet containing a scaly filler 12 in a polymer matrix 11, wherein the scaly filler 12 is oriented such that a long axis direction of a scale surface is along one of a first direction that is a thickness direction of the thermally conductive sheet and a second direction that is perpendicular to the first direction, and a transverse axis direction that is perpendicular to the long axis direction in the scale surface is along the other of the first direction and the second direction.
    Type: Application
    Filed: October 26, 2020
    Publication date: November 3, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventors: Hiroki KUDOH, Miho ISHIHARA
  • Publication number: 20220289932
    Abstract: A thermally conductive sheet comprising a scaly filler and a fibrous filler in a polymer matrix, wherein a long axis direction of a scale surface of the scaly filler and a fiber axis direction of the fibrous filler are oriented in the same direction, and a mass ratio of the scaly filler to the fibrous filler (scaly filler/fibrous filler) is 55/45 or more.
    Type: Application
    Filed: September 16, 2020
    Publication date: September 15, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventors: Hiroki KUDOH, Miho ISHIHARA
  • Patent number: 11434403
    Abstract: Provided are a thermally conductive composition that exhibits high adhesive force to an adherend such as a heat-generating element or a heat-dissipating element after curing, and a thermally conductive member in which a cured product of the thermally conductive composition and the adherend are integrated with each other. The thermally conductive composition includes a mixture containing an addition-reaction-type silicone, a thermally conductive filler that includes a metal hydroxide in an amount of 80% by volume or more in terms of volume ratio, and an acryloyl-group-containing silane coupling agent. A thermally conductive member 21 includes a cured body 12 of the thermally conductive composition and an adherend 13 fixed to the cured body 12.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: September 6, 2022
    Assignee: SEKISUI POLYMATECH CO., LTD.
    Inventor: Hiroya Endo
  • Publication number: 20220269371
    Abstract: To provide a touch sensor including a tail having a terminal protective layer that allows smooth insertion into or removal from a circuit board without causing any problem, which is likely to occur in a typical terminal protective layer provided on a terminal at a distal end of a tail of a touch sensor used for, for example, input operations of various electronic devices. A touch sensor having a plurality of sensor electrodes and a plurality of wires on a single substrate film includes a body including a flat portion and a deformed portion, which is three-dimensionally shaped relative to the flat portion surrounding the deformed portion and has an operation surface having the sensor electrodes, and a tail projecting from the body and having a terminal to connect the wires to a circuit board. The terminal has a terminal protective layer protecting the wires.
    Type: Application
    Filed: September 25, 2020
    Publication date: August 25, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventors: Shinichi Tomooka, Yasushi Sakai
  • Publication number: 20220238939
    Abstract: The present invention is a battery module comprising a case, a plurality of cells being arranged in the case and having an energy density of 200 Wh/L or more, and a heat absorbing member provided at least either between the case and the plurality of cells or between the plurality of cells, wherein the heat absorbing member has an endothermic quantity Q from 150° C. to 350° C. of 500 J/cm3 or more and a thermal conductivity ? of 0.8 W/mK or more. According to the present invention, there can be provided a battery module whose temperature hardly rises in an abnormal early period and in a certain period from abnormality occurrence.
    Type: Application
    Filed: June 5, 2020
    Publication date: July 28, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventors: Motoki OZAWA, Gaku KITADA
  • Patent number: 11392254
    Abstract: A sensor includes a base member and a sensor sheet. The sensor sheet includes a film sheet, a plurality of sensor electrodes laid on the film sheet, a plurality of wiring lines laid on the film sheet to conduct electricity to the plurality of sensor electrodes, and a detection part and a tail part. The detection part is held on the base member and includes the plurality of sensor electrodes. The tail part extends from the detection part in a manner so as to face a bottom surface of the base member and includes the plurality of wiring lines. The tail part includes a bent portion bent on a bottom surface periphery of the base member toward the bottom surface of the base member. The plurality of wiring lines extending through the bent portion are laid on an outer bent surface of the bent portion.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: July 19, 2022
    Assignee: SEKISUI POLYMATECH CO., LTD.
    Inventor: Shinichi Tomooka
  • Patent number: 11385714
    Abstract: There is provided a magnetic deformable member that is deformable upon application of magnetism, and that has a front surface that projects toward the side opposite to a magnet when such a magnet is placed. The front surface provides variations in tactile feel or viewability for humans by providing a soft tactile feel. A magnetic deformable member includes: a flexible sheet; a back plate made of a hard material and stacked on the flexible sheet; a gel charged inside a space between the flexible sheet and the back plate; and a magnetic member having an annular shape as viewed in plan in a direction that is perpendicular to a front surface of the flexible sheet and having a length in the perpendicular direction. The magnetic member is secured to the flexible sheet, and disposed in the gel.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 12, 2022
    Assignee: SEKISUI POLYMATECH CO., LTD.
    Inventors: Yasuyoshi Watanabe, Hiromi Suda
  • Publication number: 20220190494
    Abstract: Provided is an electrical connection member including a conductive member made of a rubber-like elastic material, through which a terminal used for supplying power is mounted to a mounted member such as a glass plate, and electrically connected with a small electric resistance to contact member provided in the mounted member, resulting in less reduction of rubber-like elasticity of the conductive member due to a temperature increase of the electrical connection member, even if large current flows. With respect to the conductive member 11 made of the rubber-like elastic material provided in the electrical connection member 10, a compression set measured after the following treatment is 50% or less, the treatment being comprise applying a load between an upper surface and a lower surface of the conductive member and conducting 25% compressive deformation at 105° C. for 22 hours; and electric resistance between the upper surface and the lower surface is 0.1 ? or less during application of the load.
    Type: Application
    Filed: March 6, 2020
    Publication date: June 16, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventors: Hideaki KONNO, Yasuyoshi WATANABE, Tsubasa KAMIYA
  • Publication number: 20220169853
    Abstract: A silicone composition having an electromagnetic wave absorbing property and thermal conductivity includes liquid silicone; a high-specific-gravity soft magnetic filler having a specific gravity of 4.5 or greater; an intermediate-specific-gravity thermally conductive filler having a specific gravity of 4.0 or less; and a non-liquid anti-thickening and anti-settling agent. Furthermore, a curable grease is a two-component curable grease including a combination of a base compound and a curing agent that are used by being mixed together when used, the curable grease being to be cured by mixing of the base compound with the curing agent. The base compound is a silicone composition of the present invention, in which the liquid silicone is an organopolysiloxane having a vinyl group at an end thereof. The curing agent is a silicone composition of the present invention, in which the liquid silicone is an organohydrogenpolysiloxane.
    Type: Application
    Filed: March 25, 2020
    Publication date: June 2, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventors: Takaaki Mizuno, Shigeru Koyano
  • Patent number: 11316517
    Abstract: To provide an input operation device capable of detecting, using a simple configuration, a first operation of touching an operation surface with an operation body and a second operation of pressing the operation surface with the operation body. An input operation device 11 includes a detection value changing part 31, which changes a detection value of a capacitive sensor 12, and a supporting part 41, which supports a touch sensor part 21 in a state in which the detection value changing part 31 and the touch sensor part 21 are separated from each other. The detection value changing part 31 is arranged on a back surface 24 side opposite to the operation surface 22 of the touch sensor part 21, and changes the detection value depending on contact with the detection part 23.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: April 26, 2022
    Assignee: SEKISUI POLYMATECH CO., LTD.
    Inventors: Yoshifumi Honmatsu, Kouta Yamazaki
  • Publication number: 20220090944
    Abstract: A sensor includes a base member and a sensor sheet, and the sensor sheet includes a sensor main body including sensor electrodes and a tail portion that includes wiring lines electrically connected to the sensor electrodes and that projects and extends with respect to the base member. The base member includes a joint surface portion that is fixed to the sensor main body and a separation portion that is disposed at a position facing a tail support portion of the tail support portion to which the tail portion is connected and that is not fixed to the tail support portion.
    Type: Application
    Filed: December 23, 2019
    Publication date: March 24, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventors: Shinichi Tomooka, Yasushi Sakai
  • Patent number: 11236259
    Abstract: The thermally conductive composition comprises a thermally conductive filler dispersed in a liquid matrix.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: February 1, 2022
    Assignee: SEKISUI POLYMATECH CO., LTD.
    Inventors: Gaku Kitada, Keita Ishida
  • Publication number: 20220019314
    Abstract: A sensor includes a base member and a sensor sheet. The sensor sheet includes a film sheet, a plurality of sensor electrodes laid on the film sheet, a plurality of wiring lines laid on the film sheet to conduct electricity to the plurality of sensor electrodes, and a detection part and a tail part. The detection part is held on the base member and includes the plurality of sensor electrodes. The tail part extends from the detection part in a manner so as to face a bottom surface of the base member and includes the plurality of wiring lines. The tail part includes a bent portion bent on a bottom surface periphery of the base member toward the bottom surface of the base member. The plurality of wiring lines extending through the bent portion are laid on an outer bent surface of the bent portion of the film sheet.
    Type: Application
    Filed: December 17, 2019
    Publication date: January 20, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventor: Shinichi Tomooka
  • Publication number: 20220018617
    Abstract: A heat-conducting sheet (10) has a plurality of unit layers (13) each containing a silicone resin (11) wherein the plurality of unit layers (13) are laminated so as to be adhered with each other, wherein among the plurality of unit layers (13), at least one thereof contains a heat-conducting filler, and the compression ratio of the heat-conducting sheet when being compressed at 0.276 MPa is 20 to 65%.
    Type: Application
    Filed: November 18, 2019
    Publication date: January 20, 2022
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventor: Hiroki KUDOH
  • Publication number: 20210388175
    Abstract: A thermally conductive sheet comprising an anisotropic filler 12 in a polymer matrix 14, wherein the anisotropic filler 12 appears on at least one surface and the at least one surface has an arithmetic mean peak curvature (Spc) of 18000 (1/mm) or less.
    Type: Application
    Filed: September 25, 2019
    Publication date: December 16, 2021
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventor: Hiromichi IWAZAKI
  • Publication number: 20210381140
    Abstract: An object is to solve problems associated with a stretchable wire member that includes, for example, a garment with stretchable wires formed thereon, that is, to solve the problems of wrinkles and undulations that often occur after the garment is stretched. A stretchable wire member includes a fabric; a base layer disposed on a surface of the fabric; a conductive layer disposed in part of the fabric, the conductive layer being on a surface of the base layer; and a protective layer covering the conductive layer. In the stretchable wire member, an elastic modulus E?3 of a multilayer body portion including the fabric, the base layer, and the protective layer ranges from 1 MPa to 6 MPa.
    Type: Application
    Filed: November 1, 2019
    Publication date: December 9, 2021
    Applicant: SEKISUI POLYMATECH CO., LTD.
    Inventor: Takaya Kimoto