Patents by Inventor Norio Asagi

Norio Asagi 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).

  • Method of orientation treatment of orientation film and apparatus of orientation treatment of orientation film
    Patent number: 5710608
    Abstract: In a method and an apparatus of orientation treatment of an orientation film according to the present invention, the surface of a orientation film formed on a substrate for orientating liquid-crystal molecules is rubbed in a predetermined direction. Thereafter ion beams are radiated onto the orientation film in a vacuum in a direction different from the rubbing direction, that is, in the direction obliquely above the orientation film surface. In the method, these steps can be reversed.
    Type: Grant
    Filed: December 27, 1995
    Date of Patent: January 20, 1998
    Assignee: Nissin Electric Co., Ltd.
    Inventors: Masahiro Nakabayashi, Norio Asagi, Hajime Kuwahara, Taizou Ehara