Patents by Inventor Kaku Hanazawa

Kaku Hanazawa 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).

  • Storing case with engaging pawl
    Patent number: 6273247
    Abstract: A storing case for holding a recording medium is provided where the recording medium can be easily stored and removed. The storing case has a sturdy structure that is durable and in which the stored recording medium is securely retained. The storing case comprises an outer case and an inner case, which are assembled to provide a storage cavity. First engaging portions and a second engaging portion are formed in upper and lower parts of inner side surfaces of a right wall and a left wall of the outer case. Third engaging portions and fourth engaging portions are engaged in the first engaging portions and the second engaging portions and are formed in the upper and lower parts of outer side surfaces of a right wall and a left wall of the inner case. Engaging pawls for engaging recessed portions of the recording medium are provided in the right wall and the left wall.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: August 14, 2001
    Assignee: Kabushiki Kaisha Bandai
    Inventors: Tomitaro Harada, Kaku Hanazawa, Hashira Ryo
  • Case for a cartridge having stored information
    Patent number: D443436
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: June 12, 2001
    Assignee: Kabushiki Kaisha Bandai
    Inventors: Tomitaro Harada, Kaku Hanazawa, Hashira Ryo
  • Information stored cartridge for game machine
    Patent number: D448425
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: September 25, 2001
    Assignee: Kabushiki Kaisha Bandai
    Inventors: Kaku Hanazawa, Hashira Ryo