Patents by Inventor Gaku Negishi

Gaku Negishi 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).

  • Capsule bed
    Patent number: D1002219
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: October 24, 2023
    Assignee: KOTOBUKI SEATING CO., LTD.
    Inventors: Shigenori Asakura, Kosuke Wakao, Gaku Negishi
  • Capsule bed
    Patent number: D1002252
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: October 24, 2023
    Assignee: KOTOBUKI SEATING CO., LTD.
    Inventors: Shigenori Asakura, Kosuke Wakao, Gaku Negishi