Patents by Inventor Yoshihiro Kawatsuki

Yoshihiro Kawatsuki 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).

  • Patent number: 6696114
    Abstract: An alignment layer is obtained by applying a polymer having a mesogen structure onto a substrate and irradiating this applied polymer with ultraviolet light. According to the invention, there can be provided an alignment layer capable of conferring alignment functions on liquid crystals by a non-rubbing treating means in a simple optical alignment device without generating fine dusts or causing an electric discharge by static electricity, as well as a liquid crystal display using the same.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: February 24, 2004
    Assignee: Hayashi Telempu Co., Ltd.
    Inventors: Yoshihiro Kawatsuki, Takeya Sakai, Masao Uetsuki