Patents by Inventor Johji Matsumura

Johji Matsumura 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: 5865865
    Abstract: A process for production of a glass substrate coated with a patterned Nesa glass membrane which comprises, in sequence:the first step of coating a photoresist on a glass substrate to form a photoresist membrane, exposing the membrane to electromagnetic waves through a mask and then developing the photoresist to form a patterned photoresist membrane on the glass substrate;the second step of forming a Nesa glass membrane on the entire surface of the glass substrate thus provided with the patterned photoresist membrane; andthe third step of removing the patterned photoresist membrane together with the Nesa glass membrane thereon from the glass substrate to leave a patterned Nesa glass membrane on the glass substrate.
    Type: Grant
    Filed: August 18, 1995
    Date of Patent: February 2, 1999
    Assignee: Honjo Sorex Co., LTD
    Inventors: Gohei Yoshida, Toshio Minamigawa, Johji Matsumura