Patents by Inventor Syou Sawahata

Syou Sawahata 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).

  • Electrophotographic printing system including a plurality of electrophotographic printers having adjustable printing speeds
    Patent number: 5572290
    Abstract: An electrophotographic apparatus system or an electrophotographic apparatus provided according to the present invention has the discrepancy of printing speed between tandem and single printing removed. The electrophotographic apparatus system or the electrophotographic apparatus is provided with printing speed changeover means 23a, 23b, 24 not only to select a printing speed applicable for the case where printing is effected with a plurality of electrophotographic apparatus A, B operatively linked together and another printing speed serviceable for the case where printing is implemented with each of plural electrophotographic apparatus put into separate run independently of one another, but also to shift the printing speeds from one to another, whereby the electrophotographic apparatus system or the electrophotographic apparatus may provide normal performance in each of the respective formations of printing.
    Type: Grant
    Filed: August 3, 1995
    Date of Patent: November 5, 1996
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Hiroshi Ueno, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima, Youji Hirose, Kazuo Takano, Takehiro Honda, Satoshi Aita, Isao Watanabe, Koji Doi, Tsukasa Onose, Syou Sawahata