Patents by Inventor Makoto Kohtoku

Makoto Kohtoku 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: 10640875
    Abstract: A wet type processing apparatus includes a processing bath for reserving inside the processing liquid and rendering the resin film pass through the processing liquid; a pair of conveyance members arranged on a loading side for the resin film of the processing bath and on a delivery side for resin film of the processing bath at a position higher than a liquid surface of the processing liquid reserved in the processing bath; and a spouting unit arranged between the pair of the conveyance members at a position lower than the conveyance members and formed with a circumferential surface having plural holes for spouting the processing liquid from the circumferential surface to change a direction of the resin film along the circumferential surface in a non-contact manner in the processing liquid according to spouted flows from the holes.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: May 5, 2020
    Assignees: JCU CORPORATION, CHUO KIKAI CO., LTD
    Inventors: Makoto Kohtoku, Yaichiro Nakamaru, Yukio Shinozaki, Tetsuya Aoki, Takashi Matsukura, Goki Hashimoto
  • Publication number: 20190024238
    Abstract: A wet type processing apparatus includes a processing bath for reserving inside the processing liquid and rendering the resin film pass through the processing liquid; a pair of conveyance members arranged on a loading side for the resin film of the processing bath and on a delivery side for resin film of the processing bath at a position higher than a liquid surface of the processing liquid reserved in the processing bath; and a spouting unit arranged between the pair of the conveyance members at a position lower than the conveyance members and formed with a circumferential surface having plural holes for spouting the processing liquid from the circumferential surface to change a direction of the resin film along the circumferential surface in a non-contact manner in the processing liquid according to spouted flows from the holes.
    Type: Application
    Filed: January 12, 2016
    Publication date: January 24, 2019
    Applicants: JCU CORPORATION, CHUO KIKAI CO., LTD
    Inventors: Makoto KOHTOKU, Yaichiro NAKAMARU, Yukio SHINOZAKI, Tetsuya AOKI, Takashi MATSUKURA, Goki HASHIMOTO
  • Patent number: 10021789
    Abstract: An object is to provide a laminated polyimide substrate, and a method for the production thereof, in which various properties are ensured and/or provided by effectively controlling changes over time under stringent conditions, while ensuring sufficient adhesion between a polyimide film and metal layer. A laminated polyimide substrate comprises a polyimide layer, an alkali-treated layer derived from the polyimide layer, and a metal layer, arranged in that order, wherein the alkali-treated layer contains an anionic functional group, and is a laminated structure having a layer containing a metal catalyst arranged on the metal layer side and a layer containing a complex of the metal catalyst arranged on the polyimide layer side.
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: July 10, 2018
    Assignee: EBARA-UDYLITE CO., LTD.
    Inventors: Shinya Ochi, Ryuichi Nakagami, Makoto Kohtoku, Mika Hamada
  • Patent number: 8354014
    Abstract: There are provided technologies for adsorbing a catalyst metal selectively to an anionic group such as a carboxyl group, thereby forming a metal film on a nonconductive resin selectively, including a palladium complex represented by the following formula (I): wherein L represents an alkylene group and R represents an amino group or a guanidyl group, or a structural isomer thereof, a processing solution for electroless plating catalyst application containing the complex as an active component, and a method for forming a metal plated film on a nonconductive resin, containing subjecting a nonconductive resin having a surface anionic group to a catalyst adsorbing treatment using the processing solution and then to a reduction treatment, electroless metal plating, and metal electroplating.
    Type: Grant
    Filed: November 2, 2006
    Date of Patent: January 15, 2013
    Assignee: Ebara-Udylite Co., Ltd.
    Inventors: Makoto Kohtoku, Mika Hamada
  • Publication number: 20100189974
    Abstract: An object is to provide a laminated polyimide substrate, and a method for the production thereof, in which various properties are ensured and/or provided by effectively controlling changes over time under stringent conditions, while ensuring sufficient adhesion between a polyimide film and metal layer. A laminated polyimide substrate comprising a polyimide layer, an alkali-treated layer derived from the polyimide layer, and a metal layer, arranged in that order, wherein the alkali-treated layer contains an anionic functional group, and is a laminated structure having a layer containing a metal catalyst arranged on the metal layer side and a layer containing a complex of the metal catalyst arranged on the polyimide layer side.
    Type: Application
    Filed: June 26, 2008
    Publication date: July 29, 2010
    Inventors: Shinya Ochi, Ryuichi Nakagami, Makoto Kohtoku, Mika Hamada
  • Publication number: 20100047458
    Abstract: There are provided technologies for adsorbing a catalyst metal selectively to an anionic group such as a carboxyl group, thereby forming a metal film on a nonconductive resin selectively, including a palladium complex represented by the following formula (I): wherein L represents an alkylene group and R represents an amino group or a guanidyl group, or a structural isomer thereof, a processing solution for electroless plating catalyst application containing the complex as an active component, and a method for forming a metal plated film on a nonconductive resin, containing subjecting a nonconductive resin having a surface anionic group to a catalyst adsorbing treatment using the processing solution and then to a reduction treatment, electroless metal plating, and metal electroplating.
    Type: Application
    Filed: November 2, 2006
    Publication date: February 25, 2010
    Applicant: EBARA-UDYLITE CO., LTD.
    Inventors: Makoto Kohtoku, Mika Hamada