Patents by Inventor Souichi Iwao

Souichi Iwao 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).

  • Full rotation-type paper web cutting device
    Patent number: 4244251
    Abstract: A device for cutting a paper web includes a rotary blade assembly, a stationary or non-rotatable blade in cutting engagement with the rotary blade assembly and being retractable from the rotary blade assembly during the cutting engagement therewith, guide members supporting the non-rotatable blade for sliding movement in the direction of the retraction, and the non-rotatable blade being biased into cutting engagement with the rotary blade assembly.
    Type: Grant
    Filed: April 24, 1979
    Date of Patent: January 13, 1981
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Souichi Iwao, Norihiko Suzuki, Yasuhiko Doi, Shigemitsu Shimizu, Takeshi Morikawa