Patents by Inventor Tadashi Aiba

Tadashi Aiba 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).

  • Sealing apparatus for vacuum treatment of support for light-sensitive material
    Patent number: 5961727
    Abstract: In a method in which a thin-film support is continuously led into a vacuum chamber from the atmospheric air, subjected to surface treatment and led-out to the atmospheric air again, a pneumatical cutoff portion of a leading-in and leading-out section is constituted by seal roller sets each of which is formed by aligned pairs of leading-in rollers and leading-out rollers which are close to each other through slight distances, and the support is led-in and led-out while lapped at an angle of from 30 to 150 degrees around the pair of rollers nearest to the atmospheric air of the seal roller sets.
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: October 5, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Shinichi Funabashi, Osamu Nagayama, Takashi Nawano, Hisashi Tsubata, Tadashi Aiba
  • Sealing method and apparatus for vacuum treatment of support for light-sensitive material
    Patent number: 5865932
    Abstract: In a method in which a thin-film support is continuously led into a vacuum chamber from the atmospheric air, subjected to surface treatment and led-out to the atmospheric air again, a pneumatical cutoff portion of a leading-in and leading-out section is constituted by seal roller sets each of which is formed by aligned pairs of leading-in rollers and leading-out rollers which are close to each other through slight distances, and the support is led-in and led-out while lapped at an angle of from 30 to 150 degrees around the pair of rollers nearest to the atmospheric air of the seal roller sets.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: February 2, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Shinichi Funabashi, Osamu Nagayama, Takashi Nawano, Hisashi Tsubata, Tadashi Aiba