Patents by Inventor Motoaki Iwabuchi

Motoaki Iwabuchi 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: 10950364
    Abstract: The present invention provides a bio-electrode including an electro-conductive base material and a living body contact layer formed on the electro-conductive base material; wherein the living body contact layer contains a resin layer and particles dispersed in the resin layer, the particles being coated with gold, platinum, silver, or alloy of these metals; a thickness of the resin layer is equal to or thinner than an average particle size of the particles; the resin layer contains a silicon-containing resin and a non-silicon-containing resin; and the silicon-containing resin is localized in the direction of a surface of the resin layer. The bio-electrode of the present invention is superior in electric conductivity and biocompatibility, light in weight, can be manufactured at low cost, and can combine repellency of the resin layer surface and adhesion properties of the resin layer to particles.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: March 16, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi
  • Patent number: 10934463
    Abstract: The present invention provides an adhesive film including a resin having a silsesquioxane in a side chain and a urethane bond in a main chain, together with a method for forming the same. The inventive adhesive film has excellent stretchability and strength, with the film surface having higher adhesion and thinner film thickness.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 2, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Keisuke Niida, Koji Hasegawa
  • Publication number: 20210015384
    Abstract: The present invention provides a biological electrode including an electro-conductive base material and a living body contact layer formed on the electro-conductive base material; wherein the living body contact layer includes a resin layer and particles dispersed in the resin layer, the particles being coated with gold, silver, or platinum, and a thickness of the resin layer is equal to or thinner than an average particle size of the particles. The biological electrode of the present invention is superior in electric conductivity and biocompatibility, light in weight, and can be manufactured at low cost.
    Type: Application
    Filed: October 2, 2020
    Publication date: January 21, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI
  • Patent number: 10864366
    Abstract: The present invention provides a bio-electrode composition including: a resin containing a urethane bond in a main chain and a silsesquioxane in a side chain; and an electro-conductive material, wherein the electro-conductive material is a polymer compound having one or more repeating units selected from fluorosulfonic acid salts shown by the following general formulae (1)-1 and (1)-2, sulfonimide salts shown by the following general formula (1)-3, and sulfonamide salts shown by the following general formula (1)-4. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: December 15, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Osamu Watanabe, Keisuke Niida
  • Patent number: 10844257
    Abstract: An adhesive composition including resin and electro-conductive material, wherein the electro-conductive material is one or more salts from sodium salt, potassium salt, and calcium salt of fluorosulfonic acid having 5 or more carbon atoms shown by the general formula (1): (R1—X—Y—SO3?)nMn+(1), wherein, R1 represents a monovalent hydrocarbon group having 1-30 carbon atoms and optionally substituted by a heteroatom or optionally interposed by a heteroatom; X represents any of a single bond, ether group, ester group, and amide group; Y represents a linear or branched alkylene group having 2-4 carbon atoms, containing 1-6 fluorine atoms, and optionally containing a carbonyl group; Mn+ represents any of a sodium ion, potassium ion, and calcium ion. This can form a living body contact layer for a bio-electrode with electric conductivity, biocompatibility, and light weight, which can be manufactured at low cost and without electric conductivity large lowering even when wetted with water or dried.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: November 24, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Masaki Ohashi, Yasuyoshi Kuroda
  • Patent number: 10808148
    Abstract: An adhesive composition including a resin and electro-conductive material, wherein the electro-conductive material is an ammonium salt of fluorosulfonic acid having 5 or more carbon atoms shown by the general formula (1): (R1—X—Z—SO3?)n Mn+ (1), wherein, R1 represents a monovalent hydrocarbon group having 1 to 40 carbon atoms and optionally substituted by a heteroatom or optionally interposed by heteroatom; X represents any of a single bond, ether group, ester group, and amide group; Z represents an alkylene group having 2 to 4 carbon atoms, containing 1 to 6 fluorine atoms, and optionally containing a carbonyl group; Mn+ represents a cation having one or two ammonium cation structures. This can form a living body contact layer for a bio-electrode with excellent electric conductivity, biocompatibility, and light weight, which manufactures at low cost and does not cause large lowering of the electric conductivity even when it is wetted with water or dried.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: October 20, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Masaki Ohashi, Yasuyoshi Kuroda
  • Patent number: 10800916
    Abstract: The present invention is a stretchable film composition including: a silicone main-chain type urethane having a structure shown by the following general formula (1)-1 and/or (1)-2, and a silicone-pendant type urethane having a structure shown by the following general formula (2)-1 and/or (2)-2. The present invention provides a stretchable film composition that has excellent stretchability and strength, with the film surface having excellent water repellency, and is favorably used for a non-tackiness stretchable film, a stretchable film using the stretchable film composition, and a method for forming the same.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: October 13, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Shiori Nonaka, Koji Hasegawa
  • Publication number: 20200317840
    Abstract: A bio-electrode composition includes (A) an ionic material and (B) a lithium titanate powder. The component (A) is a polymer compound containing a repeating unit-a having a structure selected from an ammonium salt, a sodium salt, a potassium salt, and a silver salt of any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide. Thus, the present invention 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, and can control significant reduction in the electric conductivity even when the bio-electrode is wetted with water or dried; 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 11, 2020
    Publication date: October 8, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI
  • Publication number: 20200315476
    Abstract: A bio-electrode composition includes (A) an ionic material and (B) a silicon material powder. The component (A) is a polymer compound containing a repeating unit-a having a structure selected from an ammonium salt, a sodium salt, a potassium salt, and a silver salt of any of fluorosulfonic acid, fluorosulfonimide, and N-carbonyl-fluorosulfonamide. Thus, the present invention 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, and can control significant reduction in the electric conductivity even when the bio-electrode is wetted with water or dried; 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 11, 2020
    Publication date: October 8, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI
  • Patent number: 10792489
    Abstract: The present invention provides a bio-electrode composition capable of forming a living body contact layer for a bio-electrode that is excellent in conductivity and biocompatibility, is light-weight, can be manufactured at low cost, and can control significant reduction in conductivity even though the bio-electrode is soaked in water or dried. The present invention is accomplished by a bio-electrode composition including an ionic material and a resin, in which the ionic material is a lithium salt, a sodium salt, a potassium salt, a calcium salt, or an ammonium salt of sulphonamide represented by the following general formula (1).
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: October 6, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Takayuki Fujiwara, Motoaki Iwabuchi, Yasuyoshi Kuroda
  • Publication number: 20200276437
    Abstract: The present invention provides a bio-electrode that is excellent in conductivity and biocompatibility, is light-weight, can be manufactured at low cost, and can control significant reduction in conductivity even though the bio-electrode is soaked in water or dried. The present invention is accomplished by providing a conductive substrate and a living body contact layer formed on the conductive substrate, where the living body contact layer is a cured product of a bio-electrode composition including an (A) ionic material and a (B) resin other than the component (A), in which the component (A) has both a repeating unit “a” of a lithium salt, a sodium salt, a potassium salt, or an ammonium salt of sulfonamide including a partial structure represented by the following general formula (1) and a repeating unit “b” having a silicon atom, —R1—C(?O)—N?—SO2—Rf1M+(1).
    Type: Application
    Filed: May 15, 2020
    Publication date: September 3, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI, Osamu WATANABE, Takayuki FUJIWARA, Yasuyoshi KURODA
  • Patent number: 10759938
    Abstract: The present invention provides a bio-electrode composition including: a resin containing a main chain having a urethane bond and two side chains each having a silicon-containing group; and an electro-conductive material, wherein the electro-conductive material is a polymer compound having one or more repeating units selected from fluorosulfonic acid salts shown by the following formulae (1)-1 and (1)-2, sulfonimide salts shown by the following formula (1)-3, and sulfonamide salts shown by the following formula (1)-4. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: September 1, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Osamu Watanabe, Motoaki Iwabuchi, Shiori Nonaka
  • Patent number: 10743788
    Abstract: The present invention provides a bio-electrode composition including: a resin containing a urethane bond in a main chain and a siloxane bond in a side chain; and an electro-conductive material, wherein the electro-conductive material is a polymer compound having one or more repeating units selected from fluorosulfonic acid salts shown by the following formulae (1)-1 and (1)-2, sulfonimide salts shown by the following formula (1)-3, and sulfonamide salts shown by the following formula (1)-4. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light in weight, manufacturable at low cost, and free from large lowering of the electric conductivity even when it is wetted with water or dried. The present invention also provides a bio-electrode in which the living body contact layer is formed from the bio-electrode composition, and a method for manufacturing the bio-electrode.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: August 18, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Osamu Watanabe, Motoaki Iwabuchi
  • Patent number: 10734132
    Abstract: The present invention provides a bio-electrode composition capable of forming a living body contact layer for a bio-electrode that is excellent in conductivity and biocompatibility, is light-weight, can be manufactured at low cost, and can control significant reduction in conductivity even though the bio-electrode is soaked in water or dried. The present invention is accomplished by a bio-electrode composition including an (A) ionic material and a (B) resin other than the component (A), in which the component (A) has both a repeating unit “a” of a sodium salt, a potassium salt, or an ammonium salt including a partial structure represented by the following general formula (1) and a repeating unit “b” having a silicon atom.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: August 4, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Osamu Watanabe, Takayuki Fujiwara, Motoaki Iwabuchi, Yasuyoshi Kuroda
  • Patent number: 10726967
    Abstract: The present invention provides: a biological electrode composition formable a living body contact layer for a biological electrode which is excellent in conductivity and biocompatibility, as well as light in the weight thereof and producible at a low cost, and in addition, which does not cause a significant decrease in the conductivity thereof regardless of under a water-wet condition and a dry condition; a polymer compound which can be suitably used for the biological electrode composition; a polymerizable monomer suitable as a raw material of the polymer compound; a biological electrode having a living body contact layer formed of the biological electrode composition; and a method for producing the same; and wherein, the polymerizable monomer is represented by the following general formula (1).
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: July 28, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Osamu Watanabe, Motoaki Iwabuchi, Takayuki Fujiwara
  • Patent number: 10695554
    Abstract: The present invention provides a bio-electrode composition capable of forming a living body contact layer for a bio-electrode that is excellent in conductivity and biocompatibility, is light-weight, can be manufactured at low cost, and can control significant reduction in conductivity even though the bio-electrode is soaked in water or dried. The present invention is accomplished by a bio-electrode composition including an (A) ionic material and a (B) resin other than the component (A), in which the component (A) has both a repeating unit “a” of a lithium salt, a sodium salt, a potassium salt, or an ammonium salt of sulfonamide including a partial structure represented by the following general formula (1) and a repeating unit “b” having a silicon atom, —R1—C(?O)—N?—SO2—Rf1M+??(1).
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: June 30, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Osamu Watanabe, Takayuki Fujiwara, Yasuyoshi Kuroda
  • Publication number: 20200190275
    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: Application
    Filed: November 4, 2019
    Publication date: June 18, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Motoaki IWABUCHI, Joe IKEDA
  • Publication number: 20200113464
    Abstract: The present invention provides a bio-electrode composition including (A) an ionic material and (C) a metal powder, wherein the component (A) is a polymer compound containing a repeating unit-a having a structure selected from the group consisting of an ammonium salt, a sodium salt, a potassium salt, and a silver salt of any of fluorosulfonic acid, fluorosulfonimide, and fluorosulfonamide. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, and free from large lowering of the electric conductivity even though it is wetted with water or dried.
    Type: Application
    Filed: May 31, 2019
    Publication date: April 16, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun HATAKEYAMA, Koji HASEGAWA, Motoaki IWABUCHI, Yasuyoshi KURODA
  • Patent number: 10610906
    Abstract: The present invention provides a method for manufacturing a resist composition which is used in a manufacturing process of a semiconductor apparatus, comprising the steps of: cleaning a manufacturing apparatus for the resist composition with a cleaning solution; analyzing the cleaning solution taken out from the manufacturing apparatus; repeating the step of cleaning and the step of analyzing until a concentration of a nonvolatile component(s) contained in the cleaning solution became 10 ppm or less; and manufacturing the resist composition by using the manufacturing apparatus after the step of repeating. There can be provided a method for manufacturing a resist composition which can manufacture a resist composition lowered in coating defects.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: April 7, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Motoaki Iwabuchi, Tsutomu Ogihara, Yukio Hoshi, Yusuke Biyajima
  • Patent number: 10610116
    Abstract: An adhesive composition including a resin and an electro-conductive material, wherein the electro-conductive material is one or more salts selected from sodium salt, potassium salt, and calcium salt having two fluorosulfonic acid structures per molecule and 5 or more carbon atoms shown by formula (1): ?O3S—Y—La-A-Lb-Y—SO3?(Mn+)2/n (1), wherein, A represents a divalent hydrocarbon group having 1-30 carbon atoms and optionally substituted by a heteroatom or optionally interposed by a heteroatom; La and Lb each represent a linking group like an ether group, ester group; Y represents an alkylene group having 2-4 carbon atoms, containing 1-6 fluorine atoms, and optionally containing a carbonyl group; Mn+ represents any of Na+, K+, Ca2+. This can form a living body contact layer for a bio-electrode with excellent electric conductivity, biocompatibility, and light weight, which can be manufactured at low cost and without large lowering of electric conductivity even when it is wetted with water or dried.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: April 7, 2020
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Jun Hatakeyama, Motoaki Iwabuchi, Masaki Ohashi, Yasuyoshi Kuroda