Patents by Inventor Joe IKEDA

Joe IKEDA 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: 20250032026
    Abstract: The present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, capable of preventing significant reduction in the electric conductivity even when the bio-electrode is wetted with water or dried, and soft and excellent in stretchability and adhesiveness; a bio-electrode including a living body contact layer formed from the bio-electrode composition; and a method for manufacturing the bio-electrode. To solve the above problems, the inventive bio-electrode composition includes an (A) ionic resin, wherein the component (A) contains a resin having a structure selected from the group consisting of an ammonium salt, a lithium salt, a sodium salt, a potassium salt, and a silver salt formed with trifluoromethoxybenzenesulfonamide and/or difluoromethoxybenzenesulfonamide.
    Type: Application
    Filed: July 5, 2024
    Publication date: January 30, 2025
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Joe IKEDA, Shiori NONAKA, Koji HASEGAWA
  • Publication number: 20250019583
    Abstract: The present invention is an ultrasound coupling material composition, including: a silicone adhesive (A); and a silicone oil (B) having no crosslinking point, wherein the silicone adhesive (A) is a mixture or condensation-reaction product between: a diorganopolysiloxane (a) having a viscosity at 25° C. of 100,000 mPa·s or more; and a resin composition (b) including an MQ resin and an organic solvent, and the silicone oil (B) having no crosslinking point has a kinematic viscosity at 25° C. within a range of 10 to 100000 mm2/s. This provides: a material that fills roughness on skin to provide high ultrasound transmissibility and sensitivity, has excellent biocompatibility and lightweight, can yield a manufactured ultrasound coupling material film at a low cost, does not considerably decrease the ultrasound transmissibility even with wetted or dried, has softness and excellent flexibility, that causes no residue on the skin after peeling, and causes no rough skin.
    Type: Application
    Filed: July 9, 2024
    Publication date: January 16, 2025
    Inventors: Jun HATAKEYAMA, Joe IKEDA, Yasuyoshi KURODA
  • Publication number: 20240336718
    Abstract: The present invention is a bio-electrode composition includes, as the component (A), a resin which has a urethan bond in a main chain and at least one salt selected from the group consisting of salts of ammonium, sodium, potassium, and silver formed with fluorinated alkyl sulfonic acid or fluorinated aryl sulfonic acid in a side chain. This can provide: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, capable of preventing significant reduction in the electric conductivity even when wetted with water or dried, soft, and excellent in stretchability and strength; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.
    Type: Application
    Filed: March 20, 2024
    Publication date: October 10, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI, Shiori NONAKA, Joe IKEDA, Koji HASEGAWA
  • Publication number: 20240324929
    Abstract: The present invention is a bio-electrode composition includes, as the component (A), a resin which has a urethan bond in a main chain and at least one salt selected from the group consisting of salts of ammonium, sodium, potassium, and silver formed with sulfonamide in a side chain. This can provide: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, capable of preventing significant reduction in the electric conductivity even when wetted with water or dried, soft, and excellent in stretchability and strength; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.
    Type: Application
    Filed: March 18, 2024
    Publication date: October 3, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Jun HATAKEYAMA, Joe IKEDA, Shiori NONAKA, Motoaki IWABUCHI, Koji HASEGAWA
  • Publication number: 20240293064
    Abstract: A bio-electrode includes a porous, stretchy base material, an adhesive, conductive film containing silicon, and a conducting path. The conductive film is formed on one surface of the porous, stretchy base material. The conducting path is connected to the conductive film, and penetrates the stretchy base material to be exposed on the opposite side. This enables provision of the bio-electrode that has high sensitivity to a bio-signal and excellent bio-compatibility, that is lightweight, that can be produced at low cost, that is free of itching, red spots, and rash of the skin and comfortable even when being wet, dried, or attached to the skin for a long period of time, without a significant decrease in sensitivity to the bio-signal, a production method for the bio-electrode, and a measurement method for a bio-signal.
    Type: Application
    Filed: December 24, 2021
    Publication date: September 5, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI, Joe IKEDA, Osamu WATANABE, Shiori NONAKA, Koji HASEGAWA
  • Publication number: 20240277276
    Abstract: The present invention is a bio-electrode having layers on a substrate, wherein the layers include: (A) an electro-conductive layer including an electro-conductive wiring having a width of 200 ?m or less; and (B) an ionic polymer containing layer including a polymer including a repeating unit-a having at least one selected from fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide, and having the weight-average molecular weight in a range of 1,000 to 500,000. This provides: a bio-electrode that allows thin, highly transparent, highly sensitive to a biological signal, excellent in biocompatibility, light-weight, manufacturable at low cost, capable of preventing significant reduction in the sensitivity to biological signals even when attached on the skin for a long time and when wetted with water or dried, and comfortable without itching, reddening, nor rash of skin; and a method for manufacturing a bio-electrode.
    Type: Application
    Filed: January 8, 2024
    Publication date: August 22, 2024
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Jun Hatakeyama, Joe Ikeda
  • Patent number: 12036025
    Abstract: A bio-electrode includes an electro-conductive base material and a living body contact layer. The living body contact layer includes a water-free resin layer and a permeation layer on a surface side of the resin layer where a living body comes into contact. The permeation layer is permeated with water and a water-soluble salt selected from the group consisting of sodium salts, potassium salts, calcium salts, magnesium salts, and betaines. This aims to provide: a dry-type bio-electrode that enables quick signal collection after attachment to skin, the bio-electrode being excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and capable of preventing significant reduction in the electric conductivity even when wetted with water or dried; a method for manufacturing the bio-electrode; and a method for measuring a biological signal.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: July 16, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Koji Hasegawa, Joe Ikeda
  • Publication number: 20240215890
    Abstract: A bio-electrode including an electro-conductive base material and a living body contact layer formed on the electro-conductive base material, where the living body contact layer includes an electro-conductive polymer composite including a component A: a ?-conjugated polymer and a component B: a dopant polymer, and the component B dopant polymer contains a repeating unit having any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide and has a weight-average molecular weight of 1,000 to 500,000. This provides: a bio-electrode that is a thin film of high transparency, has high sensitivity to biological signals, has excellent biocompatibility, is light-weight, can be manufactured at low cost, can control significant reduction in sensitivity to biological signals either when soaked in water, dried, or attached to the skin for a long time, causes no itchiness, red spots, rashes, etc. of the skin, and is comfortable; a bio-electrode composition; and a method for manufacturing a bio-electrode.
    Type: Application
    Filed: November 13, 2023
    Publication date: July 4, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Takayuki Nagasawa, Joe Ikeda
  • Publication number: 20240215891
    Abstract: The present invention is a bio-electrode composition containing: an electro-conductive polymer composite including (A) a ?-conjugated polymer and (B) a dopant polymer containing a repeating unit-a1 having a hydroxy group and/or a carboxy group and a repeating unit-a2 having a sulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide, the dopant polymer having a weight-average molecular weight of 1,000 to 500,000; and (C) a crosslinking agent. This provides: a bio-electrode composition that allows a thin film of high transparency, has high sensitivity to biological signals, has excellent biocompatibility, is light-weight, can be manufactured at low cost, can control significant reduction in sensitivity to biological signals when soaked in water for a long time or when attached to the skin for a long time, causes no itchiness, red spots, rashes, etc. of the skin, and is comfortable; a bio-electrode; and a method for manufacturing a bio-electrode.
    Type: Application
    Filed: November 30, 2023
    Publication date: July 4, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Takayuki NAGASAWA, Joe IKEDA
  • Patent number: 11998339
    Abstract: A bio-electrode composition contains: (A) a polymer compound containing a repeating unit-a having a structure selected from the group consisting of salts of ammonium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide; and (B) a silicone compound having a polyglycerin structure. This bio-electrode composition is able to form a living body contact layer for a bio-electrode which enable quick signal collection after attachment to skin.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: June 4, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Joe Ikeda, Koji Hasegawa, Yasuyoshi Kuroda
  • Patent number: 11965095
    Abstract: A bio-electrode composition contains (A) an ionic polymer material. The component (A) is a polymer compound containing: a repeating unit-a having a structure selected from the group consisting of salts of ammonium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide; and a repeating unit-b having a side chain with a radical-polymerizable double bond in a structure selected from the group consisting of (meth)acrylate, vinyl ether, and styrene. Thus, the present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode to enable signal collection immediately after attachment to skin and prevention of residue on the skin after peeling from the skin; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: April 23, 2024
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Osamu Watanabe, Joe Ikeda, Koji Hasegawa
  • Publication number: 20240032838
    Abstract: The present invention is a bio-electrode composition containing an ionic polymer material as a component (A), where the component (A) includes a polymer having: a repeating unit-a having a structure selected from the group consisting of salts of ammonium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide; and a repeating unit-b having a nitro group. This provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, is light-weight, can be manufactured at low cost, can control significant reduction in conductivity either when the bio-electrode is soaked in water or dried, and is soft and has excellent stretchability and adhesiveness; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.
    Type: Application
    Filed: July 1, 2023
    Publication date: February 1, 2024
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Osamu WATANABE, Joe IKEDA
  • Patent number: 11453741
    Abstract: The present invention is a stretchable film of a cured product of a resin including: a polymer compound having a urethane bond in the main chain, a repeating unit containing a fluorine atom, and a repeating unit containing a silicon atom. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: September 27, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Joe Ikeda, Shiori Nonaka, Koji Hasegawa
  • Publication number: 20220289895
    Abstract: A silicone polyurethane has a maleimide group at least at a terminal. Thus, the present invention provides: a silicone polyurethane which serves as a material for a stretchable film excellent in stretchability and strength and also in water repellency on the film surface; such a stretchable film; and a method for forming the stretchable film.
    Type: Application
    Filed: February 8, 2022
    Publication date: September 15, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Joe IKEDA
  • Publication number: 20220220313
    Abstract: A bio-electrode composition contains a polymer compound (A), which contains a repeating unit-a having a structure selected from the group consisting of salts of ammonium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide; and filler particles (B), which are one or more selected from the group consisting of silica particles, alumina particles, titania particles, and zirconia particles. Thus, the present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which enables quick signal collection after attachment to skin and does not leave residue on the skin; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.
    Type: Application
    Filed: December 22, 2021
    Publication date: July 14, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Joe IKEDA, Motoaki IWABUCHI, Jun HATAKEYAMA
  • Patent number: 11377529
    Abstract: The present invention is a composite stretchable film including: a surface film which is a cured product of a polyurethane 1 containing a copolymer of one or more of units “a1” to “a4” and silicone-pendant type urethane units “b1” and/or “b2” represented by the following general formula (1); and an inner film which is a cured product of a polyurethane 2 containing a unit “c” having polyether and urethane bonds represented by the following general formula (2), on which the surface film is laminated. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: July 5, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Joe Ikeda
  • Publication number: 20220133201
    Abstract: A bio-electrode composition contains (A) an ionic polymer material, (B) an addition reaction-curable silicone having at least a hydrosilyl group, (C) a platinum-group catalyst, and a solvent. The bio-electrode composition has a water content of 0.2 mass % or less. The solvent includes one or more of an ether solvent, an ester solvent, and a ketone solvent each of which does not contain a hydroxy group, a carboxyl group, a nitrogen atom, or a thiol group. Thus, present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode which is excellent in electric conductivity and biocompatibility, light-weight, and manufacturable at low cost, and which does not leave residue on skin after attachment to and peeling from the skin; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 5, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Osamu WATANABE, Joe IKEDA, Shiori NONAKA, Koji HASEGAWA, Motoaki IWABUCHI, Yasuyoshi KURODA
  • Publication number: 20220110569
    Abstract: A bio-electrode composition contains: (A) a polymer compound containing a repeating unit-a having a structure selected from the group consisting of salts of ammonium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide; and (B) a silicone compound having a polyglycerin structure. This bio-electrode composition is able to form a living body contact layer for a bio-electrode which enable quick signal collection after attachment to skin.
    Type: Application
    Filed: January 22, 2021
    Publication date: April 14, 2022
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI, Joe IKEDA, Koji HASEGAWA, Yasuyoshi KURODA
  • Patent number: 11261285
    Abstract: A stretchable film includes, in a stacked form: a polyurethane film containing a repeating unit having a fluorine atom; and a polyurethane film containing a repeating unit having a silicon atom. At least one surface of the stretchable film is made of the polyurethane film containing a repeating unit having a fluorine atom. Thus, provided are: a stretchable film having excellent stretchability and strength, with the film surface having excellent water repellency; and a method for forming the stretchable film.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: March 1, 2022
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Koji Hasegawa, Shiori Nonaka, Joe Ikeda
  • Publication number: 20210371663
    Abstract: A bio-electrode composition contains (A) an ionic polymer material. The component (A) is a polymer compound containing: a repeating unit-a having a structure selected from the group consisting of salts of ammonium, sodium, potassium, and silver formed with any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide; and a repeating unit-b having a side chain with a radical-polymerizable double bond in a structure selected from the group consisting of (meth)acrylate, vinyl ether, and styrene. Thus, the present invention provides: a bio-electrode composition capable of forming a living body contact layer for a bio-electrode to enable signal collection immediately after attachment to skin and prevention of residue on the skin after peeling from the skin; a bio-electrode including a living body contact layer formed of the bio-electrode composition; and a method for manufacturing the bio-electrode.
    Type: Application
    Filed: March 8, 2021
    Publication date: December 2, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI, Osamu WATANABE, Joe IKEDA, Koji HASEGAWA