Patents by Inventor Seizo Rai

Seizo Rai 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).

  • Lid for container
    Patent number: 5611445
    Abstract: A lid for a container, which is easy for separated disposal. The lid has a main body portion (1a) and a projected portion (1b) integrally formed at the substantially central portion of the upper surface (1a1) of the main body portion (1a), whereby the lid (1) for the container covers an opening portion of a bottle (container) (2) and a seal plug for blocking this opening portion.
    Type: Grant
    Filed: August 4, 1995
    Date of Patent: March 18, 1997
    Assignee: Mect Corporation
    Inventors: Takashi Kano, Seizo Rai