Patents by Inventor Norio Ishizuki

Norio Ishizuki 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).

  • Polarizing element, polarizing plate, and process for production thereof
    Patent number: 5706131
    Abstract: A polarizing element or polarizing plate comprising a layer having photoactive molecules and a layer containing dichroic molecules formed in contact with said layer, which can easily be produced without a stretching procedure so as to have a complicated pattern, a curved surface or a large area; and a process for producing said polarizing element or polarizing plate which is characterized by irradiating a layer having photoactive molecules on a substrate with linear polarized light, and then forming a dichroic molecular layer on the irradiated layer.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: January 6, 1998
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Kunihiro Ichimura, Norio Ishizuki, Junji Toda