Patents by Inventor Hatohiko Kamada

Hatohiko Kamada 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).

  • Process for the manufacture of mesh screen for X-ray photography sensitization
    Patent number: 3953303
    Abstract: A process for the manufacture of mesh screen for the sensitization of X-ray photography which comprises forming a heavy metal layer and a sensitive polymer layer on a support, to form a support having layers thereon, exposing said support through a negative original having mesh lines and developing, whereupon the heavy metal portions other than the mesh lines are exposed, and provided with a given thickness of a heavy metal layer.
    Type: Grant
    Filed: February 6, 1974
    Date of Patent: April 27, 1976
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hatohiko Kamada, Koichi Tashiro