Patents by Inventor Katuji Matuura

Katuji Matuura 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 treating glass fibers
    Patent number: 4228204
    Abstract: Method of treating glass fibers which comprises treating glass fibers with an aqueous solution of zinc salt, lead salt, tin salt or mixture thereof, thereby forming a protective coating having high chemical resistance on the surface of the glass fibers.
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: October 14, 1980
    Assignee: Daiichikasei Co., Ltd.
    Inventor: Katuji Matuura