Patents by Inventor Kazunobu HARA

Kazunobu HARA 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).

  • Package open knife and a package open knives pack
    Patent number: 11801611
    Abstract: A package opening knife has a body part, a blade part, a gripping part that extends in an elongated shape in a prescribed first direction, and a guide part provided with a guide surface that slides in a surface direction of the package in a state of contacting the package to guide movement of the blade part. When a surface direction of the guide is defined as a second direction, the first direction and the second direction become substantially parallel to each other.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: October 31, 2023
    Assignee: KAI R&D CENTER CO., LTD.
    Inventors: Kazuomi Sumi, Shogo Ochiai, Kazunobu Hara
  • A PACKAGE OPEN KNIFE AND A PACKAGE OPEN KNIVES PACK
    Publication number: 20220234230
    Abstract: A package opening knife has a body part, a blade part, a gripping part that extends in an elongated shape in a prescribed first direction, and a guide part provided with a guide surface that slides in a surface direction of the package in a state of contacting the package to guide movement of the blade part. When a surface direction of the guide is defined as a second direction, the first direction and the second direction become substantially parallel to each other.
    Type: Application
    Filed: August 22, 2019
    Publication date: July 28, 2022
    Inventors: Kazuomi SUMI, Shogo OCHIAI, Kazunobu HARA