Patents by Inventor Masakzu Ohtorii

Masakzu Ohtorii 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: 4847634
    Abstract: An apparatus for correcting snaking of rollfilm comprises a driving roller for feeding the rollfilm to the exposure position with the film being maintained flat, pinch rollers provided such that they can approach or be separated from the driving roller, switching means for switching between the abutment and separation of the pinch rollers and the driving roller, and cutting means for cutting the rollfilm.
    Type: Grant
    Filed: December 1, 1987
    Date of Patent: July 11, 1989
    Assignee: Dainippon Screen Mfg. Co., Ltd.
    Inventors: Kenji Kawai, Masakzu Ohtorii, Tsutomu Ueyama, Takumi Yoshida