Patents by Inventor Tomoyuki IMAIZUMI

Tomoyuki IMAIZUMI 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).

  • Cushioning member and method for manufacturing cushioning member
    Patent number: 11584581
    Abstract: A cushioning member includes: an accommodating bag portion that accommodates a medium; a first fusing portion that defines the accommodating bag portion such that the accommodating bag portion is provided with an opening; a check valve having a first end located inside the accommodating bag portion and a second end located outside the accommodating bag portion, and provided at the opening; a second fusing portion that is immediately adjacent to the first fusing portion on those external sides of the check valve which are opposite in a direction intersecting a direction in which the check valve protrudes from the accommodating bag portion, and defines a channel that communicates with the opening; and a third fusing portion that is connected to the second fusing portion and seals the channel, the third fusing portion being provided across a portion of the check valve that protrudes from the accommodating bag portion.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: February 21, 2023
    Assignee: KONICA MINOLTA, INC.
    Inventors: Takeshi Hashimoto, Narutaka Yoshida, Hiromi Mizuguchi, Yasuki Shirakawa, Masao Itoh, Tomoyuki Imaizumi, Masahiro Arisawa
  • CUSHIONING MEMBER AND METHOD FOR MANUFACTURING CUSHIONING MEMBER
    Publication number: 20200231358
    Abstract: A cushioning member includes: an accommodating bag portion that accommodates a medium; a first fusing portion that defines the accommodating bag portion such that the accommodating bag portion is provided with an opening; a check valve having a first end located inside the accommodating bag portion and a second end located outside the accommodating bag portion, and provided at the opening; a second fusing portion that is immediately adjacent to the first fusing portion on those external sides of the check valve which are opposite in a direction intersecting a direction in which the check valve protrudes from the accommodating bag portion, and defines a channel that communicates with the opening; and a third fusing portion that is connected to the second fusing portion and seals the channel, the third fusing portion being provided across a portion of the check valve that protrudes from the accommodating bag portion.
    Type: Application
    Filed: January 13, 2020
    Publication date: July 23, 2020
    Applicant: KONICA MINOLTA, INC.
    Inventors: Takeshi HASHIMOTO, Narutaka YOSHIDA, Hiromi MIZUGUCHI, Yasuki SHIRAKAWA, Masao ITOH, Tomoyuki IMAIZUMI, Masahiro ARISAWA