Patents by Inventor Hirotsugu CHISHINA

Hirotsugu CHISHINA 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: 12152299
    Abstract: A device of executing vacuum processing is provided with: a chamber including a single main chamber executing the vacuum processing and being capable of keeping the chamber in a depressurized state; a feeding roller so disposed as to hang down a reinforcement fiber in the main chamber; a winding bobbin winding the reinforcement fiber, the winding bobbin disposed in the chamber horizontally apart from the reinforcement fiber vertically hung down; and a swing body pivotally supported in the chamber to swing about a pivot and including a suspension arm capable of capturing and suspending the reinforcement fiber according to a swing motion of the swing body, the suspension arm is capable of swinging from a first position horizontally apart from the reinforcement fiber vertically hung down, via a second position for capturing the reinforcement fiber, to a third position to suspend the reinforcement fiber above the winding bobbin.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: November 26, 2024
    Assignee: IHI Corporation
    Inventors: Akihiko Yoshimura, Naoya Yamamoto, Hirotsugu Chishina, Wataru Ueda
  • Patent number: 12031211
    Abstract: A device of executing vacuum processing is provided with: a chamber including a single main chamber executing the vacuum processing and being capable of keeping the chamber as a whole in a depressurized state; a plurality of feeding rollers so arranged as to hang down a plurality of threads in the main chamber with keeping the threads from each other; a plurality of winding bobbins respectively winding the plurality of threads independently, the winding bobbins arranged in the chamber horizontally apart from the plurality of threads vertically hung down; and a plurality of movable arms being respectively movable in the chamber from a first position horizontally apart from the plurality of threads vertically hung down, via a second position in contact with any of the plurality of threads, to a third position to make the threads in contact be in contact with corresponding winding bobbins.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: July 9, 2024
    Assignee: IHI Corporation
    Inventors: Akihiko Yoshimura, Hirotsugu Chishina, Naoya Yamamoto, Yukihiro Nakada, Wataru Ueda
  • Patent number: 11346046
    Abstract: A carbon fiber complex material for a carbon fiber reinforced plastic composite material includes a carbon fiber material formed from a continuous carbon fiber, and carbon nanowalls formed on a surface of the continuous carbon fiber.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: May 31, 2022
    Assignee: IHI Corporation
    Inventors: Akihiko Yoshimura, Hirotsugu Chishina, Kensuke Hirata
  • Publication number: 20220002875
    Abstract: A device of executing vacuum processing is provided with: a chamber including a single main chamber executing the vacuum processing and being capable of keeping the chamber as a whole in a depressurized state; a plurality of feeding rollers so arranged as to hang down a plurality of threads in the main chamber with keeping the threads from each other; a plurality of winding bobbins respectively winding the plurality of threads independently, the winding bobbins arranged in the chamber horizontally apart from the plurality of threads vertically hung down; and a plurality of movable arms being respectively movable in the chamber from a first position horizontally apart from the plurality of threads vertically hung down, via a second position in contact with any of the plurality of threads, to a third position to make the threads in contact be in contact with corresponding winding bobbins.
    Type: Application
    Filed: September 15, 2021
    Publication date: January 6, 2022
    Applicant: IHI Corporation
    Inventors: Akihiko YOSHIMURA, Hirotsugu CHISHINA, Naoya YAMAMOTO, Yukihiro NAKADA, Wataru UEDA
  • Publication number: 20220002862
    Abstract: A device of executing vacuum processing is provided with: a chamber including a single main chamber executing the vacuum processing and being capable of keeping the chamber in a depressurized state; a feeding roller so disposed as to hang down a reinforcement fiber in the main chamber; a winding bobbin winding the reinforcement fiber, the winding bobbin disposed in the chamber horizontally apart from the reinforcement fiber vertically hung down; and a swing body pivotally supported in the chamber to swing about a pivot and including a suspension arm capable of capturing and suspending the reinforcement fiber according to a swing motion of the swing body, the suspension arm is capable of swinging from a first position horizontally apart from the reinforcement fiber vertically hung down, via a second position for capturing the reinforcement fiber, to a third position to suspend the reinforcement fiber above the winding bobbin.
    Type: Application
    Filed: September 15, 2021
    Publication date: January 6, 2022
    Applicant: IHI Corporation
    Inventors: Akihiko YOSHIMURA, Naoya YAMAMOTO, Hirotsugu CHISHINA, Wataru UEDA
  • Publication number: 20200208341
    Abstract: A carbon fiber complex material for a carbon fiber reinforced plastic composite material includes a carbon fiber material formed from a continuous carbon fiber, and carbon nanowalls formed on a surface of the continuous carbon fiber.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Applicant: IHI Corporation
    Inventors: Akihiko YOSHIMURA, Hirotsugu CHISHINA, Kensuke HIRATA