Patents by Inventor Shinsuke Ikemagi

Shinsuke Ikemagi 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: 5108545
    Abstract: Disclosed is a method for making a paper support for photographic paper by a Fourdrinier paper machine of the twin-wire type provided with a lower wire on which a wet web is formed and an endless upper wire facing said lower wire with the wet web between them wherein the upper wire comes in contact with the wet web after the latter has travelled a distance of 5 to 12 m from the point where the paper stock had been fed to the lower wire which is preferably shaked in a horizontal direction and the rate of drainage through the upper wire to the sum of drainages through the lower wire and the upper wire is adjusted to 15 to 50% to give a smooth surface on which a photographic emulsion layer is to be formed.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: April 28, 1992
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Kenji Marumo, Akihiro Ogawa, Shinsuke Ikemagi