Patents by Inventor Hiroko Isayama

Hiroko Isayama 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: D918278
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: May 4, 2021
    Assignee: CKD CORPORATION
    Inventors: Takaharu Katou, Kazuyoshi Kikuchi, Atsushi Fukuta, Hiroko Isayama
  • Patent number: D935476
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: November 9, 2021
    Assignee: CKD CORPORATION
    Inventors: Takaharu Katou, Kazuyoshi Kikuchi, Atsushi Fukuta, Hiroko Isayama
  • Patent number: D935479
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: November 9, 2021
    Assignee: CKD CORPORATION
    Inventors: Takaharu Katou, Kazuyoshi Kikuchi, Atsushi Fukuta, Hiroko Isayama