Patents by Inventor Tsuyoshi Nagao

Tsuyoshi Nagao 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: 5143363
    Abstract: An automatic document conveying device for an image processor having a transparent plate disposed on the upper surface of a housing for placement of a document to be processed thereon. The automatic document conveying device comprises a document introduction portion, a main portion and a document delivery portion. The document introduction portion includes an introduction portion frame member, a document table extending upstream from the introduction portion frame member, a document introduction passage extending from the document table to the transparent plate inside the introduction frame member, a document sender for sending the document into the document introduction passage from the document table, and a document introducer for introducing the document onto the transparent plate from the document introduction passage.
    Type: Grant
    Filed: November 16, 1990
    Date of Patent: September 1, 1992
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Yoichiro Irie, Yoshiyuki Takeda, Tsuyoshi Nagao, Yasuhiko Kida
  • Patent number: 5126787
    Abstract: An automatic document conveying device for an image processor having a transparent plate disposed on the upper surface of a housing for placement of a document to be processed thereon. The automatic document conveying device comprises a document introduction portion, a main portion and a document delivery portion. The document introduction portion includes an introduction portion frame member, a document table extending upstreams from the introduction portion frame member, a document introduction passage extending from the document table to the transparent plate inside the introduction frame member, a document sender for sending the document into the document introduction passage from the document table, and a document introductor for introducing the document onto the transparent plate from passage.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: June 30, 1992
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Yoichiro Irie, Yoshiyuki Takeda, Tsuyoshi Nagao, Yasuhiko Kida
  • Patent number: 5064188
    Abstract: An automatic document conveying device is provided in an image-processing machine having a transparent plate on which a transparent plate on which to place a document to be processed, the transparent plate having been disposed on the upper surface of a housing. The automatic conveying device is provided with a document delivery re-introduction section which sends a document delivered through a document introduction section and a central main portion selectively to a first document receiving tray, a second document receiving tray and a transparent plate by use of multiple branched sheet passageways. The document delivery re-introduction section is provided with a first branched passage for sending a document into the first document receiving tray, a second branched passage for sending the document into the second document receiving tray, and a re-introduction passage for re-introducing the document into a transparent plate.
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: November 12, 1991
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Tsuyoshi Nagao, Yoichiro Irie, Yoshiyuki Takeda, Yasuhiko Kida
  • Patent number: 5027162
    Abstract: An automatic document conveying device to be applied to an image processor with a transparent plate on which to place document to be processed being disposed on the upper surface of a housing. The automatic document conveying device comprises a document table, a document introduction passage extending from the document table to one end edge of the transparent plate, a first document receiving tray, a second document receiving tray and a document delivery passage. The document delivery passage includes a common passage extending from the other end edge of the transparent plate, a first branched passage extending from the downstream end of the common passage to the first document receiving tray, and a second branched passage extending from the downstream end of the common passage to the second document receiving tray.
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: June 25, 1991
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Yasuhiko Kida, Yoichiro Irie, Yoshiyuki Takeda, Tsuyoshi Nagao
  • Patent number: 4821070
    Abstract: The present invention relates to a display for image forming apparatus to enable indication of the number of processing sheets and also indication of impossible paper feeding on the paper feed pass on one display by time-sharing at different times, and particularly concerning the point that indication of disabled paper feeding and indication of the above mentioned number of processing sheets are made alternatively when the indication of disabled paper feeding is given by providing a paper sensing switch in the paper supplying mechanism.
    Type: Grant
    Filed: November 25, 1987
    Date of Patent: April 11, 1989
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Toshiyuki Nakade, Tsugio Nakanishi, Toshinori Muraoka, Noboru Fukuoka, Tsuyoshi Nagao, Hideki Endoo, Kazuyoshi Yamamura, Yoshio Sugishima, Katuhide Yamaguchi