Patents by Inventor Seigi Nagasawa

Seigi Nagasawa 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).

  • Copying apparatus for copying a plurality of original surfaces with a single scan
    Patent number: 4017173
    Abstract: A copying apparatus having an original carriage capable of carrying thereon an original dimensionally corresponding to the combined area of two surfaces of a desired copy size is improved so that originals carried on the two surfaces at a time can be separately copied one by one.
    Type: Grant
    Filed: December 31, 1974
    Date of Patent: April 12, 1977
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigehiro Komori, Hisashi Sakamaki, Masao Ariga, Hiroshi Nitanda, Seigi Nagasawa